Chess endgame

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Chess endgame
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In chess and chess-like games, the endgame (or end game or ending) is the stage of the game when few pieces are left on the board.The line between middlegame and endgame is often not clear, and may occur gradually or with the quick exchange of a few pairs of pieces. The endgame, however, tends to have different characteristics from the middlegame, and the players have correspondingly different strategic concerns. In particular, pawns become more important as endgames often revolve around attempting to promote a pawn by advancing it to the eighth {{chessgloss|rank}}. The king, which has to be protected in the middlegame owing to the threat of checkmate, becomes a strong piece in the endgame. It can be brought to the center of the board and act as a useful attacking piece.Whereas chess opening theory changes frequently, giving way to middlegame positions that fall in and out of popularity, endgame theory always remains constant. Many people have composed endgame studies, endgame positions which are solved by finding a win for White when there is no obvious way to win, or a draw when it seems White must lose.Usually in the endgame, the stronger side (the one with more {{chessgloss|material}} using the standard piece point count system) should try to exchange pieces (knights, bishops, rooks, and queens), while avoiding the exchange of pawns. This generally makes it easier to convert a material advantage into a won game. The defending side should strive for the opposite.Chess players classify endgames according to the type of pieces that remain.{{algebraic notation|pos=tocleft}}


Endgames can be divided into three categories:
  1. Theoretical endgames – positions where the correct line of play is generally known and well-analyzed, so the solution is a matter of technique
  2. Practical endgames – positions arising in actual games, where skillful play should transform it into a theoretical endgame position
  3. Artistic endgames (studies) – contrived positions which contain a theoretical endgame hidden by problematic complications {{harvcol|Portisch|Sárközy|1981|p=vii}}.
This article generally does not consider studies.

The start of the endgame

An endgame is when there are only a few pieces left. There is no strict criterion for when an endgame begins, and different experts have different opinions {{harvcol|Fine|1952|p=430}}. Alexander Alekhine said "We cannot define when the middle game ends and the end-game starts" {{harvcol|Whitaker|Hartleb|1960|p= }}. With the usual system for chess piece relative value, Speelman considers that endgames are positions in which each player has thirteen or fewer points in {{chessgloss|material}} (not counting the king). Alternatively, an endgame is a position in which the king can be used actively, but there are some famous exceptions to that {{harvcol|Speelman|1981|pp=7–8}}. Minev characterizes endgames as positions having four or fewer pieces other than kings and pawns {{Harvcol|Minev|2004|p=5}}. Some authors consider endgames to be positions without queens (e.g. Fine, 1952), while others consider a position to be an endgame when each player has less than a queen plus rook in material. Flear considers an endgame to be where each player has at most one piece (other than kings and pawns) and positions with more material where each player has at most two pieces to be "Not Quite an Endgame" (NQE), pronounced "nuckie" {{harvcol|Flear|2007|pp=7–8}}.Alburt and Krogius give three characteristics of an endgame: {{harvcol|Alburt|Krogius|2000|p=12}}
  1. Endgames favor an aggressive king.
  2. Passed pawns increase greatly in importance.
  3. Zugzwang is often a factor in endgames and rarely in other stages of the game.
Some problem composers consider that the endgame starts when the player who is about to move can force a win or a draw against any variation of moves {{harvcol|Portisch|Sárközy|1981|p=vii}}.Mednis and Crouch address the question of what constitutes an endgame negatively. The game is still in the middlegame if middlegame elements still describe the position. The game is not in the endgame if these apply:
  • better {{chessgloss|development}};
  • open {{chessgloss|file|files}} for attacking;
  • vulnerable king position;
  • misplaced pieces {{harvcol|Mednis|Crouch|1992|p=1}}.

General considerations

In endgames with pieces and pawns, an extra pawn is a winning advantage in 50 to 60 percent of cases. It becomes more decisive if the stronger side has a positional advantage {{harvcol|Euwe|Meiden|1978|p=xvi}}. In general, the player with a {{chessgloss|material}} advantage tries to exchange pieces and reach the endgame. In the endgame, the player with a material advantage should usually try to exchange pieces but avoid the exchange of pawns {{harvcol|Dvoretsky|Yusupov|2008|p=134}}. There are some exceptions to this: (1) endings in which both sides have two rooks plus pawns – the player with more pawns has better winning chances if a pair of rooks are not exchanged, and (2) bishops on opposite color with other pieces – the stronger side should avoid exchanging the other pieces. Also when all of the pawns are on the same side of the board, often the stronger side must exchange pawns to try to create a passed pawn.In the endgame, it is usually better for the player with more pawns to avoid many pawn exchanges, because winning chances usually decrease as the number of pawns decreases. Also, endings with pawns on both sides of the board are much easier to win. A king and pawn endgame with an outside passed pawn should be a far easier win than a middlegame a rook ahead.With the recent growth of computer chess, a development has been the creation of endgame databases which are tables of stored positions calculated by retrograde analysis (such a database is called an endgame tablebase). A program which incorporates knowledge from such a database is able to play perfect chess on reaching any position in the database.Max Euwe and Walter Meiden give these five generalizations:
  1. In king and pawn endings, an extra pawn is decisive in more than 90 percent of the cases.
  2. In endgames with pieces and pawns, an extra pawn is a winning advantage in 50 to 60 percent of the cases. It becomes more decisive if the stronger side has a positional advantage.
  3. The king plays an important role in the endgame.
  4. Initiative is more important in the endgame than in other phases of the game. In rook endgames the initiative is usually worth at least a pawn.
  5. Two connected passed pawns are very strong. If they reach their sixth {{chessgloss|rank}} they are generally as powerful as a rook {{harvcol|Euwe|Meiden|1978|pp=xvi–xvii}}.

Common types of endgames

Basic checkmates

Many references Basic Chess Endgames, Ruben Fine & revised by Pal Benko, 2003A Pocket Guide to Endgames, David Hooper, 1970Practical Chess Endings, Paul Keres, 1973Chess Endings for the Practical Player, Ludek Pachman, 1977Batsford Chess Endings, by Speelman, Tisdall, and WadePandolfini's Endgame Course, Bruce Pandolfini, 1988Winning Chess Endings, by Yasser SeirwanWinning Chess Endgames, by Tony Kosten, 1987The Mammoth Book of Chess, by Graham Burgess, 2009Chess Endings: Essential Knowledge, by Yuri Averbach, 1993Fundamental Chess Endings by Karsten Müller and Frank Lamprecht, 2003have sections on basic, elementary, or fundamental checkmating endgames. In general, these are pawnless endgames with one or more pieces checkmating a lone king. For example:
  1. king and queen against a king
  2. king and rook against a king
  3. king and two bishops of opposite colour against a king
Some authors choose to add endgames from the following list (or others) to arrive at their list of "Basic checkmates":
  1. king, bishop, and knight against a king
  2. king and two knights against a king
  3. king and three knights against a king
  4. king and pawn against a king
  5. king and two knights against a king and pawn
  6. king and queen against a king and rook
In conjunction with its king, a queen or a rook can easily checkmate a lone king, but a single {{chessgloss|minor piece}} (a bishop or knight) cannot. See (wikibooks:Chess/The Endgame|Wikibooks â€“ Chess/The Endgame) for a demonstration of these two checkmates. Two bishops (plus their king) can easily checkmate a lone king, provided that the bishops move on opposite color squares. (Two or more bishops on the same color cannot checkmate.) A bishop and knight (plus their king) can also checkmate a lone king, although the checkmate procedure is long (up to 33 moves with correct play) and is difficult for a player who does not know the correct technique.Two knights cannot force checkmate against a lone king (see Two knights endgame), but if the weaker side also has material (besides the king), checkmate is sometimes possible. {{harvcol|Troitzky|2006|pp=197–257}} The winning chances with two knights are insignificant except against a few pawns. (WEB,weblink Western Chess:Endgame Data, 2009, Haworth, Guy McC, CentAUR, ) The procedure can be long and difficult. In competition, the fifty-move rule will often result in the game being drawn first. (While there is a board position that allows two knights to checkmate a lone king, such requires a careless move by the weaker side to execute.)

King and pawn endings

King and pawn endgames involve only kings and pawns on one or both sides. International Master Cecil Purdy said "Pawn endings are to chess as putting is to golf." Any endgame with pieces and pawns has the possibility of {{chessgloss|simplification|simplifying}} into a pawn ending {{harvcol|Nunn|2010|p=43}}.In king and pawn endings, an extra pawn is decisive in more than 90 percent of the cases {{harvcol|Euwe|Meiden|1978|p=xvi}}. Getting a passed pawn is crucial (a passed pawn is one which does not have an opposing pawn on its file or on adjacent files on its way to promotion). Nimzovich once said that a passed pawn has a "lust to expand". An {{chessgloss|outside passed pawn}} is particularly deadly. The point of this is a decoy – while the defending king is preventing it from queening, the attacking king wins pawns on the other side.Opposition is an important technique that is used to gain an advantage. When two kings are in opposition, they are on the same {{chessgloss|file}} (or {{chessgloss|rank}}) with an empty square separating them. The player having the move loses the opposition. He must move his king and allow the opponent's king to advance. Note however that the opposition is a means to an end, which is penetration into the enemy position. If the attacker can penetrate without the opposition, he should do so. The tactics of triangulation and zugzwang as well as the theory of corresponding squares are often decisive.Unlike most positions, king and pawn endgames can usually be analyzed to a definite conclusion, given enough skill and time. An error in a king and pawn endgame almost always turns a win into a draw or a draw into a loss – there is little chance for recovery. Accuracy is most important in these endgames. There are three fundamental ideas in these endgames: opposition, triangulation, and the Réti manoeuvre {{harvcol|Nunn|2007|pp=113ff}}.

King and pawn versus king

{| align="right" border="0" cellpadding="1" cellspacing="0"valign="top"|{{Chess diagram small|tright|Müller & Lamprecht, diagram 2.11
kd |White to move wins with 1.Kb6. Black to move draws with 1...Kc5.}}|{{Chess diagram small|trightMüller2001}} diagram 2.03 kd kl |White to play draws. Black to play loses after 1...Ke8 2.e7 Kf7 3.Kd7 and queens.}}
This is one of the most basic endgames. A draw results if the defending king can reach the square in front of the pawn or the square in front of that (or capture the pawn) {{harvcol|Müller|Lamprecht|2007|pp=16,21}}. If the attacking king can prevent that, the king will assist the pawn in being promoted to a queen or rook, and checkmate can be achieved. A {{chessgloss|rook pawn}} is an exception because the king may not be able to get out of the way of its pawn. The other pawns are also exceptions (see diagram far right).{{clear}}

Knight and pawn endings

Knight and pawn endgames feature clever manoeuvring by the knights to capture opponent pawns. While a knight is poor at chasing a passed pawn, it is the ideal piece to block a passed pawn. Knights cannot lose a tempo, so knight and pawn endgames have much in common with king and pawn endgames. As a result, Mikhail Botvinnik stated that “a knight ending is really a pawn ending.” {{harvcol|Beliavsky|Mikhalchishin|2003|p=139}}

Knight and pawn versus knight

{{Chess diagram small|tright|Fine & Benko, diagram 228 pl |White to play wins; Black to play draws.}}This is generally a draw since the knight can be sacrificed for the pawn, however, the king and knight must be covering squares in the pawn's path. If the pawn reaches the seventh rank and is supported by its king and knight, it usually promotes and wins. In this position, White to move wins: 1. b6 Nb7 2. Ne6! Na5 3. Kc8! N-any 4. Nc7#. If Black plays the knight to any other square on move 2, White plays Kc8 anyway, threatening b7+ and promotion if the knight leaves the defense of the b7 square. Black to move draws starting with 1... Nc4 because White cannot gain a tempo {{harvcol|Fine|Benko|2003|pp=112–14}}.{{clear}}

Bishop and pawn endings

{{Chess diagram small|tright|Molnar vs. Nagy, 1966 bdpd plpd pl kl bl |White to move. White has a good bishop, Black has a bad one.}}Bishop and pawn endgames come in two distinctly different variants. If the opposing bishops go on the same color of square, the mobility of the bishops is a crucial factor. A {{chessgloss|bad bishop}} is one that is hemmed in by pawns of its own color, and has the burden of defending them.The adjacent diagram, from Molnar–Nagy, Hungary 1966, illustrates the concepts of good bishop versus bad bishop, opposition, zugzwang, and outside passed pawn. White wins with 1. e6! (vacating e5 for his king) 1... Bxe6 2. Bc2! (threatening Bxg6) 2... Bf7 3. Be4! (threatening Bxc6) 3... Be8 4. Ke5! (seizing the opposition [i.e. the kings are two orthogonal squares apart, with the other player on move] and placing Black in zugzwang—he must either move his king, allowing White's king to penetrate, or his bishop, allowing a decisive incursion by White's bishop) 4... Bd7 5. Bxg6!{{clear}}

Bishop and pawn versus bishop on the same color{| align"right" border"0" cellpadding"1" cellspacing"0"

valign="top"|{{Chess diagram small|tright|Centurini
pl bd |Draw}}|{{Chess diagram small|tright|Centurini, 1856 bl pl bd Müller2001|p=13}}.}}
Two rules given by Luigi Centurini in the 19th century apply:
  • The game is a draw if the defending king can reach any square in front of the pawn that is opposite in color to the squares the bishops travel on.
  • If the defending king is behind the pawn and the attacking king is near the pawn, the defender can draw only if his king is attacking the pawn, he has the opposition, and his bishop can move on two diagonals that each have at least two squares available (other than the square it is on) {{harvcol|Fine|Benko|2003|p=152}}. This is the case for {{chessgloss|centre pawn|central pawns}} and the {{chessgloss|bishop pawn}} whose promotion square is not the same color as the bishop {{harvcol|Fine|Benko|2003|p=154}}.
The position in the second diagram shows a winning position for White, although it requires accurate play. A {{chessgloss|knight pawn}} always wins if the defending bishop only has one long diagonal available {{harvcol|Fine|Benko|2003|pp=155–56}}.{{clear}}{{Chess diagram small|tright|Portisch vs. Tal, 1965 kd |Position before 67.Bd5}}This position was reached in a game from the 1965 Candidates Tournament between Lajos Portisch and former World Champion Mikhail Tal.Portisch vs. Tal White must defend accurately and utilize reciprocal zugzwang. Often he has only one or two moves that avoid a losing position. Black was unable to make any progress and the game was drawn on move 83 {{harvcol|Nunn|1995|p=169}}.{{clear}}

Bishops on opposite colors

{{Chess diagram small|tright| kl bl Fine2003|pp=184–92}}.}}Endings with bishops of opposite color, meaning that one bishop works on the light squares, the other one working on dark squares, are notorious for their {{chessgloss|drawish}} character. Many players in a poor position have saved themselves from a loss by trading down to such an endgame. They are often drawn even when one side has a two-pawn advantage, since the weaker side can create a blockade on the squares which his bishop operates on. The weaker side should often try to make his bishop {{chessgloss|bad bishop|bad}} by placing his pawns on the same color of his bishop in order to defend his remaining pawns, thereby creating an impregnable fortress.{{clear}}

Bishop versus knight endings (with pawns)

Current theory is that bishops are better than knights about 60 percent of the time in the endgame. The more symmetrical the pawn structure, the better it is for the knight. The knight is best suited at an outpost in the center, particularly where it cannot easily be driven away, whereas the bishop is strongest when it can attack targets on both sides of the board or a series of squares of the same color {{harvcol|Beliavsky|Mikhalchishin|1995|p=122}}.Fine and Benko {{harvcol|Fine|Benko|2003|p=205}} give four conclusions:
  1. In general the bishop is better than the knight.
  2. When there is a material advantage, the difference between the bishop and knight is not very important. However, the bishop usually wins more easily than the knight.
  3. If the material is even, the position should be drawn. However, the bishop can exploit positional advantages more efficiently.
  4. When most of the pawns are on the same color as the bishop (i.e. a bad bishop), the knight is better.

Bishop and pawn versus knight

{{Chess diagram small|tright|Müller & Lamprecht, diagram 5.02 pl kl nd bl |White to move wins; Black to move draws.}}This is a draw if the defending king is in front of the pawn or sufficiently close. The defending king can occupy a square in front of the pawn of the opposite color as the bishop and cannot be driven away. Otherwise the attacker can win {{harvcol|Fine|Benko|2003|p=206}}.{{clear}}

Knight and pawn versus bishop

{{Chess diagram small|tright|Muller & Lamprecht, diagram 5.23 (from Fine, 1941) pl nl bd kd |White to move wins; Black to move draws.}}This is a draw if the defending king is in front of the pawn or sufficiently near. The bishop is kept on a diagonal that the pawn must cross and the knight cannot both block the bishop and drive the defending king away. Otherwise the attacker can win {{harvcol|Fine|Benko|2003|p=209}}.{{clear}}

Rook and pawn endings

Rook and pawn endgames are often drawn in spite of one side having an extra pawn. (In some cases, two extra pawns are not enough to win.) An extra pawn is harder to convert to a win in a rook and pawn endgame than any other type of endgame except a bishop endgame with bishops on opposite colors. Rook endings are probably the deepest and most well studied endgames. They are a common type of endgame in practice, occurring in about 10 percent of all games (including ones that do not reach an endgame) {{harvcol|Emms|2008|p=7}}. These endgames occur frequently because rooks are often the last pieces to be exchanged. The ability to play these endgames well is a major factor distinguishing masters from amateurs {{harvcol|Nunn|2007|p=125}}. When both sides have two rooks and pawns, the stronger side usually has more winning chances than if each had only one rook {{harvcol|Emms|2008|p=141}}.Three rules of thumb regarding rooks are worth noting:
  1. Rooks should almost always be placed behind passed pawns, whether one's own or the opponent's (the Tarrasch rule). A notable exception is in the ending of a rook and pawn versus a rook, if the pawn is not too far advanced. In that case, the best place for the opposing rook is in front of the pawn.
  2. Rooks are very poor defenders relative to their attacking strength. So it is often good to sacrifice a pawn for activity.
  3. A rook on the seventh rank can wreak mayhem among the opponent's pawns. The power of a rook on the seventh rank is not confined to the endgame. The classic example is Capablanca versus Tartakower, New York 1924 (see annotated game without diagrams or Java board)
An important winning position in the rook and pawn versus rook endgame is the so-called Lucena position. If the side with the pawn can reach the Lucena position, he wins. However, there are several important drawing techniques such as the Philidor position, the back rank defense (rook on the first rank, for {{chessgloss|rook pawn|rook pawns}} and {{chessgloss|knight pawn|knight pawns}} only), the frontal defense, and the short side defense. A general rule is that if the weaker side's king can get to the queening square of the pawn, the game is a draw and otherwise it is a win, but there are many exceptions.

Rook and pawn versus rook

{{Chess diagram small|tright|Fine & Benko, diagram 646 rl |White to play wins because of the Lucena position. Black to play draws with 1...Ra8+, either because of perpetual check or winning the pawn.}}Generally (but not always), if the defending king can reach the queening square of the pawn the game is a draw (see Philidor position), otherwise the attacker usually wins (if it is not a rook pawn) (see Lucena position) {{harvcol|Fine|Benko|2003|p=294}}. The winning procedure can be very difficult and some positions require up to sixty moves to win {{harvcol|Speelman|Tisdall|Wade|1993|p=7}}. If the attacking rook is two files from the pawn and the defending king is cut off on the other side, the attacker normally wins (with a few exceptions) {{harvcol|Fine|Benko|2003|p=294}}. The rook and pawn versus rook is the most common of the "piece and pawn versus piece" endgames {{harvcol|Nunn|2007|p=148}}.The most difficult case of a rook and pawn versus a rook occurs when the attacking rook is one file over from the pawn and the defending king is cut off on the other side. Siegbert Tarrasch gave the following rules for this case: For a player defending against a pawn on the fifth or even sixth ranks to obtain a draw, even after his king has been forced off the queening square, the following conditions must obtain: The file on which the pawn stands divides the board into two unequal parts. The defending rook must stand in the longer part and give checks from the flank at the greatest possible distance from the attacking king. Nothing less than a distance of three files makes it possible for the rook to keep on giving check. Otherwise it would ultimately be attacked by the king. The defending king must stand on the smaller part of the board.(See the short side defense at Rook and pawn versus rook endgame.)


  • "All rook and pawn endings are drawn."
The context of this quote shows it is a comment on the fact that a small advantage in a rook and pawn endgame is less likely to be converted into a win. Mark Dvoretsky said that the statement is "semi-joking, semi-serious" {{harvcol|Dvoretsky|Yusupov|2008|p=159}}. This quotation has variously been attributed to Savielly Tartakower and to Siegbert Tarrasch. Writers Victor Korchnoi {{harvcol|Korchnoi|2002|p=29}}, John Emms {{harvcol|Emms|2008|p=41}}, and James Howell {{harvcol|Howell|1997|p=36}} attribute the quote to Tartakower, whereas Dvoretsky {{harvcol|Dvoretsky|2006|p=158}}, Andy Soltis {{harvcol|Soltis|2003|p=52}}, Karsten Müller,WEB,weblink Endgame Corner, Karsten, Müller, 2001, Chess Cafe, PDF, and Kaufeld & Kern {{harvcol|Kaufeld|Kern|2011|p=167}} attribute it to Tarrasch. John Watson attributed to Tarrasch "by legend" and says that statistics do not support the statement {{harvcol|Watson|1998|pp=81–82}}. Benko wonders if it was due to Vasily Smyslov {{harvcol|Benko|2007|p=186}}. Attributing the quote to Tarrasch may be a result of confusion between this quote and the Tarrasch rule concerning rooks. The source of the quote is currently unresolved.Winter, Edward, "Rook endgames" â€“ Chess Notes, Number 5498 Benko noted that although the saying is usually said with tongue in cheek, it is truer in practice than one might think {{harvcol|Benko|2007|p=189}}.

Queen and pawn endings

In queen and pawn endings, passed pawns have paramount importance, because the queen can escort it to the queening square alone. The advancement of the passed pawn outweighs the number of pawns. The defender must resort to perpetual check. These endings are frequently extremely long affairs. For an example of a queen and pawn endgame see Kasparov versus the World – Kasparov won although he had fewer pawns because his was more advanced. For the ending with a queen versus a pawn, see Queen versus pawn endgame.

Queen and pawn versus queen

{{Chess diagram small|tright|Müller & Lamprecht, diagram 9.12A ql pl |White to play wins; Black to play draws.}}The queen and pawn versus queen endgame is the second most common of the "piece and pawn versus piece" endgames, after rook and pawn versus rook. It is very complicated and difficult to play. Human analysts were not able to make a complete analysis before the advent of endgame tablebases {{harvcol|Nunn|2007|p=148}}. This combination is a win less frequently than the equivalent ending with rooks.{{clear}}

Rook versus a minor piece

{{Chess diagram small|trightAndré Chéron>Chéron, 1926 bd kd pd Müller2001|p=273}}.}}The difference in {{chessgloss|material}} between a rook and a {{chessgloss|minor piece}} is about two points or a little less, the equivalent of two pawns.
  • A rook and a pawn versus a minor piece: normally a win for the rook but there are some draws. In particular, if the pawn is on its sixth rank and is a {{chessgloss|bishop pawn}} or {{chessgloss|rook pawn}}, and the bishop does not control the pawn's promotion square, the position is a draw {{harvcol|de la Villa|2008|p=221}}. See Wrong bishop.
  • A rook versus a minor piece: normally a draw but in some cases the rook wins, see pawnless chess endgame.
  • A rook versus a minor piece and one pawn: usually a draw but the rook may win.
  • A rook versus a minor piece and two pawns: usually a draw but the minor piece may win.
  • A rook versus a minor piece and three pawns: a win for the minor piece.
If both sides have pawns, the result essentially depends on how many pawns the minor piece has for the exchange:
  • No pawns for the exchange (i.e. same number of pawns on each side): the rook usually wins.
  • One pawn for the exchange (i.e. minor piece has one more pawn): the rook usually wins, but it is technically difficult. If all of the pawns are on one side of the board it is usually a draw.
  • Two pawns for the exchange: this is normally a draw. With a bishop either side may have winning chances. With a knight, the rook may have winning chances and the defense is difficult for the knight if the pawns are scattered.
  • Three pawns for the exchange: this is normally a win for the minor piece {{harvcol|Fine|Benko|2003|pp=459ff}}.

Two minor pieces versus a rook

{{Chess diagram small|trightJosé Raúl Capablanca>Capablanca vs. Lasker, 1914Capablanca vs. Lasker, 1914 pdpd rd pl bl pl Muller2001|p=23}}.}}In an endgame, two {{chessgloss|minor piece|minor pieces}} are approximately equivalent to a rook plus one pawn. The pawn structure is important. The two pieces have the advantage if the opponent's pawns are weak. Initiative is more important in this endgame than any other. The general outcome can be broken down by the number of pawns.
  • The two pieces have one or more extra pawns: always a win for the pieces.
  • Same number of pawns: usually a draw but the two pieces win more often than the rook.
  • The rook has one extra pawn: usually a draw but either side may have winning chances, depending on positional factors.
  • The rook has two additional pawns: normally a win for the rook {{harvcol|Fine|Benko|2003|pp=449–58}}.

Queen versus two rooks

{{Chess diagram small|trightPeter Leko>Leko vs. Vladimir Kramnik, Classical World Chess Championship 2004>World Championship 2004Leko vs. Kramnik pdpd pl ql pl |Black to move won.}}Without pawns this is normally drawn, but either side wins in some positions. A queen and pawn are normally equivalent to two rooks, which is usually a draw if both sides have an equal number of additional pawns. Two rooks plus one pawn versus a queen is also generally drawn. Otherwise, if either side has an additional pawn, that side normally wins {{harvcol|Fine|Benko|2003|pp=566–67}}.{{clear}}

Queen versus rook and minor piece

{{Chess diagram small|trightLoek van Wely>van Wely vs. Yusupov, 2000Van Wely vs. Yusupov rl pd bl pl |Black to move won.}}If there are no pawns, the position is usually drawn, but either side wins in some positions. A queen is equivalent to a rook and bishop plus one pawn. If the queen has an additional pawn it wins, but with difficulty. A rook and bishop plus two pawns win over a queen {{harvcol|Fine|Benko|2003|p=563}}.{{clear}}

Queen versus rook{| align"right" border"0" cellpadding"1" cellspacing"0"

valign="top"|{{Chess diagram small|tright|Philidor, 1777
kd rd |White wins with either side to move.}}|{{Chess diagram small|tright|D. Ponziani, 1782 kd kl Müller2001}}.}}
  • Without pawns, the queen normally wins but it can be difficult and there are some drawn positions (see Philidor positionQueen versus rook).
  • If the rook has one pawn drawing positions are possible, depending on the pawn and the proximity of the rook and king. See fortress (chess)Rook and pawn versus queen. Otherwise the queen wins.
  • If the rook has two connected pawns the position is usually a draw. For any other two pawns, the queen wins except in the positions where a fortress with one pawn can be reached.
  • If the rook has three or more pawns the position is usually a draw but there are cases in which the queen wins and some in which the rook wins.
  • If the queen also has a pawn or pawns it wins except in unusual positions {{harvcol|Fine|Benko|2003|pp=570–79}}.

Piece versus pawns{| align"right" border"0" cellpadding"1" cellspacing"0"

valign="top"|{{Chess diagram small|tright|Johann Berger, 1914 (Fine & Benko, diagram 1053)
pdkd pd |White to play wins. }}|{{Chess diagram small|tright| Fine & Benko, diagram 1054ql pdkd pd |White to play; Black wins. }}
There are many cases for a lone piece versus pawns. The position of the pawns is critical.
  • Minor piece versus pawns: A minor piece versus one or two pawns is normally a draw, unless the pawns are advanced. Three pawns either draw or win, depending on how advanced they are. Three connected pawns win against a bishop if they all get past their fourth rank {{harvcol|Fine|Benko|2003|pp=93ff,129–30}}. A knight can draw against three connected pawns if none are beyond their fourth rank {{harvcol|Müller|Lamprecht|2001|p=62}}.
  • Rook versus pawns: If the rook's king is not near, one pawn draws and two pawns win. If the rook's king is near, the rook wins over one or two pawns and draws against three. Four pawns usually win but the rook may be able to draw, depending on their position. More than four pawns win against the rook {{harvcol|Fine|Benko|2003|pp=275,292–93}}.
  • Queen versus pawns: A queen can win against any number of pawns, depending on how advanced they are. The queen would win against eight pawns on the second rank but one pawn on the seventh rank may draw (see Queen versus pawn endgame) and two advanced pawns may win {{harvcol|Fine|Benko|2003|pp=526ff}}.

Endings with no pawns

{{Chess diagram small|tright|Fine & Benko, diagram 967 rl |White to play wins; Black to play draws.}}Besides the basic checkmates, there are other endings with no pawns. They do not occur very often in practice. Two of the most common pawnless endgames (when the defense has a piece in addition to the king) are (1) a queen versus a rook and (2) a rook and bishop versus a rook. A queen wins against a rook — see pawnless chess endgame#Queen versus rook. A rook and bishop versus a rook is generally a theoretical draw, but the defense is difficult and there are winning positions (see Rook and bishop versus rook endgame).{{clear}}

Positions with a material imbalance

A rook is worth roughly two pawns plus a bishop or a knight. A bishop and knight are worth roughly a rook and a pawn, and a queen is worth a rook, a {{chessgloss|minor piece}} (bishop or knight) and a pawn (see Chess piece relative value). Three pawns are often enough to win against a minor piece, but two pawns rarely are.However, with rooks on the board, the bishop often outweighs the pawns. This is because the bishop defends against enemy rook attacks, while the bishop's own rook attacks enemy pawns and reduces the enemy rook to passivity. This relates to Rule 2 with rooks (above).A bishop is usually worth more than a knight. A bishop is especially valuable when there are pawns on both wings of the board, since it can intercept them quickly.

Effect of tablebases on endgame theory

Endgame tablebases have made some minor corrections to historical endgame analysis, but they have made some more significant changes to endgame theory too. (The fifty-move rule is not taken into account in these studies.) Major changes to endgame theory as a result of tablebases include {{harvcol|Müller|Lamprecht|2001|pp=8,400–406}}:
  • Queen versus rook (see Philidor positionQueen versus rook). There are two changes here enabling the rook to put up a better defense, but the queen still wins. (a) People usually opt for a second-rank defense with the rook on the second rank and the king behind it (or symmetrical positions on the other edges of the board). Tablebases show that a third-rank defense takes a while to breach, which is difficult for a human to do. (b) People had assumed that the rook needs to stay as close to the king for as long as possible, but tablebases show that it is best to move the rook away from the king at some earlier point {{harvcol|Nunn|2002|p=49ff}}.
  • Queen and pawn versus queen. Tablebases have shown that this can be won in many more positions than was thought, but the logic of the moves is presently beyond human understanding {{harvcol|Nunn|1995|p=265}}.
  • Queen versus two bishops. This was thought to be a draw due to the existence of a drawing fortress position, but the queen can win most of the time by preventing the bishops from getting to the fortress. However, it can take up to 71 moves to force a win {{harvcol|Nunn|2002|pp=290ff}}.
{{Chess diagram small|tright| kd nd |This position was thought to be drawn, but White to move wins. Some similar positions are actually drawn (e.g. with the queen on e2).}}
  • Queen versus two knights. This was thought to be a draw, but the queen has more winning positions than was previously thought. Also, many analysts gave a position (see diagram) that they thought was a draw but it is actually a win for the queen {{harvcol|Nunn|2002|pp=300ff}}. In the diagram, White checkmates in 43 moves, starting with 1. Qc7 (the only winning move). Note that Nunn says "The general result is undoubtedly a draw, but there are many losing positions, some of them very lengthy." On the other hand, 73.44% of positions are won by the queen, almost all of the remainder being positions where the side with two knights can immediately capture the queen – 97.59% of positions with the side with the queen to move are won by that side.WEB,weblink Chess program Wilhelm, yes,weblink" title="">weblink December 8, 2008, + WEB,weblink Nalimov Engame Tablebases, AutoChess, However, these percentages can be misleading, and most "general results" are based on the analysis of grandmasters using the tablebase data {{harvcol|Müller|Lamprecht|2001|p=406}}, {{harvcol|Nunn|2002|p=324}}. For instance, although nearly 90 percent of all of these positions are wins for the queen, it is generally a draw if the king is not separated from the knights and they are on reasonable squares {{harvcol|Müller|Lamprecht|2001|p=339}}.
{{clear}}{{Chess diagram small|tright| bl nd kd kl |This position was thought to be drawn (Kling and Horwitz, 1851), but White wins.}}
  • Two bishops versus a knight. This was thought to be a draw but the bishops generally win. However, it takes up to 66 moves. The position in the diagram was thought to be a draw for over one hundred years, but tablebases show that White wins in 57 moves. All of the long wins go through this type of semi-fortress position. It takes several moves to force Black out of the temporary fortress in the corner; then precise play with the bishops prevents Black from forming the temporary fortress in another corner {{harvcol|Nunn|1995|pp=265ff}}. Before computer analysis, Speelman listed this position as unresolved, but "probably a draw" {{harvcol|Speelman|1981|p=109}}.
  • Queen and bishop versus two rooks. This was thought to be a draw but the queen and bishop usually win. It takes up to 84 moves {{harvcol|Nunn|2002|pp=367ff}}.
  • Rook and bishop versus bishop and knight, bishops on opposite colors. This was thought to be a draw but the rook and bishop generally win. It takes up to 98 moves {{harvcol|Nunn|2002|pp=342ff}}.
  • Rook and bishop versus rook. The second-rank defense was discovered using tablebases {{harvcol|Hawkins|2012|pp=198–200}}.
{{clear left}}

Longest forced win

{{Chess diagram small|tleft| rd kd bd kl nl ql|Black's best move in this position is 1...Rd7+. White checkmates 545 moves later. }}{{Chess diagram small|tleft|ndkd kl bdrd |White to play and win in 549. }}{{clear}}In May 2006 a record-shattering 517-move endgame was announced (see first diagram). Marc Bourzutschky found it using a program written by Yakov Konoval. Black's first move is 1... Rd7+ and White wins the rook in 517 moves. This was determined using the easier-to-calculate (Endgame tablebase#Metrics: Depth to conversion and depth to mate|depth-to-conversion) method, which assumes that the two sides are aiming respectively to reduce the game to a simpler won ending or to delay that conversion. Such endgames do not necessarily represent strictly optimal play from both sides, as Black may delay checkmate by allowing an earlier conversion or White may accelerate it by delaying a conversion (or not making one at all). In September 2009, it was found that the distance to mate (not conversion) in that position was 545 (see the first diagram).Lomonosov Endgame Tablebases The same researchers later confirmed that this (along with variations of it) is the longest 7-man pawnless endgame, and that, with pawns, the longest 7-man endgame is the one depicted in the second diagram. White takes 6 moves to promote the pawn to a Knight (leading to a position similar to the first diagram), after which it takes another 543 moves to win the game.weblinkThe fifty-move rule is ignored in the calculation of these results and lengths, and as of 2014, they could never occur, because of the seventy-five move rule.

Endgame classification

Endgames can be classified by the material on the board. The standard classification system lists each player's material, including the kings, in the following order: king, queen, bishops, knights, rooks, pawn. Each piece is designated by its algebraic symbol.For example, if White has a king and pawn, and Black has only a king, the endgame is classified KPK. If White has bishop and knight, and Black has a rook, the endgame is classified KBNKR. Note that KNBKR would be incorrect; bishops come before knights.In positions with two or more bishops on the board, a "bishop signature" may be added to clarify the relationship between the bishops. Two methods have been used. The informal method is to designate one color of squares as "x" and the other color as "y". An endgame of KBPKB can be written KBPKB x-y if the bishops are opposite-colored, or KBPKB x-x if the bishops are same-colored. The more formal method is to use a four digit suffix of the form abcd:
  • a = number of White light-squared bishops
  • b = number of White dark-squared bishops
  • c = number of Black light-squared bishops
  • d = number of Black dark-squared bishops
Thus, the aforementioned endgame can be written KBPKB_1001 for opposite-color bishops, and KBPKB_1010 for same-color bishops.In positions with one or more rooks on the board and where one or both players have one or both castling rights, a castling signature may be added to indicate which castling rights exist. The method is to use a one to four character suffix formed by omitting up to three characters from the string KQkq.Thus the endgame where White has bishop and rook and Black has a rook can be written KBRKR if no castling rights exist or KBRKR_Kq if White may castle on the king's side and Black may castle on the queen's side. In case the position also has two or more bishops the castling signature follows the bishop signature as in KBBNKRR_1100_kq.GBR code is an alternative method of endgame classification.The Encyclopedia of Chess Endings â€“ ECE by Chess Informant had a different classification scheme, somewhat similar to the ECO codes, but it is not widely used. The full system is a 53-page index that was contained in the book The Best Endings of Capablanca and Fischer. The code starts with a letter representing the most powerful piece on the board, not counting kings. The order is queen, rook, bishop, knight, and then pawn. (Figurines are used to stand for the pieces.) Each of these has up to 100 subclassifications, for instance R00 through R99. The first digit is a code for the pieces. For instance, R0 contains all endgames with a rook versus pawns and a rook versus a lone king, R8 contains the double rook endgames, and R9 contains the endings with more than four pieces. The second digit is a classification for the number of pawns. For instance, R30 contains endgames with a rook versus a rook without pawns or with one pawn and R38 are rook versus rook endings in which one player has two extra pawns.ECE classifications, PDF of EG article

Frequency table

The table below lists the most common endings in actual games by percentage (percentage of games, not percentage of endings; generally pawns go along with the pieces). {{harvcol|Müller|Lamprecht|2001|pp=11–12, 304}}{| class="wikitable"|+Endgame frequency table! Percent !! Pieces!! Pieces
|rook & knight
|two rooks
|rook & bishop (same color)
|rook & knight
|king (and pawns)
|rook & bishop (opposite color)
|bishop (same color)
|bishop (opposite color)
|two minor pieces
|rook & minor piece
|rook ( & no pawns)
|rook ( & no pawns)
|two rooks
|minor piece
|two minor pieces
|three minor pieces


  • "[I]n order to improve your game, you must study the endgame before anything else; for, whereas the endings can be studied and mastered by themselves, the middlegame and the opening must be studied in relation to the endgame." (Emphasis in original.) {{harvcol|Capablanca|1966|p=19}}
  • "... the endgame is as important as the opening and middlegame ... three of the five losses sustained by Bronstein in his drawn ... match with Botvinnik in 1951 were caused by weak endgame play." {{harvcol|Hooper|Whyld|1992|}}
  • "Studying the opening is just memorizing moves and hoping for traps, but studying the endgame is chess." â€“ Joshua WaitzkinEndgame quotes
  • "If you want to win at chess, begin with the ending." â€“ Irving ChernevChess Life, Sept. 1961, p. 253
  • "Repeating moves in an ending can be very useful. Apart from the obvious gain of time on the clock one notices that the side with the advantage gains psychological benefit." â€“ Sergey Belavenets
  • "It cannot be too greatly emphasized that the most important role in pawn endings is played by the king." â€“ Siegbert Tarrasch


There are many books on endgames, see Chess endgame literature for a large list and the history. Some of the most popular current ones are:
  • Basic Chess Endings, by Reuben Fine and Pal Benko, 1941, 2003, McKay. {{ISBN|0-8129-3493-8}}. The 1941 edition by Fine was the first of the modern endgame books in English. It was recently revised by Benko.
  • Dvoretsky's Endgame Manual, second edition, by Mark Dvoretsky, 2006, Russel Enterprises. {{ISBN|1-888690-28-3}}. A modern manual book by a noted chess teacher.
  • Encyclopedia of Chess Endings III â€“ Rook Endings 2, Andras Adorjan, Alexander Beliavsky, Svetozar Gligorić, Robert Hübner, Anatoly Karpov, Garry Kasparov, Viktor Kortchnoi, Anthony Miles, Nikolay Minev, John Nunn and Jan Timman., 1986, Chess Informant, {{ISBN|86-7297-005-5}}. Comprehensive book with 1746 endings divided in groups according to ECE classification. Annotated in System of chess signs .
  • Essential Chess Endings: the Tournament Player's Guide, by James Howell, 1997, Batsford. {{ISBN|0-7134-8189-7}}. A small but comprehensive book.
  • Fundamental Chess Endings, by Karsten Müller and Frank Lamprecht, 2001, Gambit Publications. {{ISBN|1-901983-53-6}}. Highly regarded â€“ comprehensive and modern.
  • Grandmaster Secrets: Endings, by Andrew Soltis, 1997, 2003, Thinker's Press, {{ISBN|0-938650-66-1}}. An elementary book.
  • Just the Facts!: Winning Endgame Knowledge in One Volume, Lev Alburt and Nikolai Krogius, 2000, Newmarket Press. {{ISBN|1-889323-15-2}}. A good introductory book.
  • Pandolfini's Endgame Course, by Bruce Pandolfini, 1988, Fireside, {{ISBN|0-671-65688-0}}. Many short elementary endgame lessons.
  • Silman's Complete Endgame Course: From Beginner To Master, Jeremy Silman, 2007, Siles Press, {{ISBN|1-890085-10-3}}. Has a unique approach, it presents material in order of difficulty and the need to know of various classes of players. It starts with material for the absolute beginner and progresses up to master level material.
  • Winning Chess Endings, by Yasser Seirawan, 2003, Everyman Chess. {{ISBN|1-85744-348-9}}. A good introductory book.
  • One Pawn Saves the Day: A World Champion's Favorite Studies, by Sergei Tkachenko, 2017, Limited Liability Company Elk and Ruby Publishing House {{ISBN|5-950-04334-0}}. 100 studies whose common theme is that white ends up with just one pawn in the finale, yet manages to win or draw.
  • One Knight Saves the Day: A World Champion's Favorite Studies, by Sergei Tkachenko, 2017, Limited Liability Company Elk and Ruby Publishing House {{ISBN|5-950-04335-9}}. 100 studies whose common theme is that white ends up with just one knight in the finale, yet manages to win or draw.
  • One Bishop Saves the Day: A World Champion's Favorite Studies, by Sergei Tkachenko, 2017, Limited Liability Company Elk and Ruby Publishing House {{ISBN|5-950-04336-7}}. 100 studies whose common theme is that white ends up with just one bishop in the finale, yet manages to win or draw.
  • One Rook Saves the Day: A World Champion's Favorite Studies, by Sergei Tkachenko, 2017, Limited Liability Company Elk and Ruby Publishing House {{ISBN|5-950-04337-5}}. 100 studies whose common theme is that white ends up with just one rook in the finale, yet manages to win or draw.

See also

{{colbegin}} {{colend}}Endgame topics{{colbegin}} {{colend}}Specific endgames{{colbegin}} {{colend}}


  • {hide}Citation

| last= Alburt| first= Lev| authorlink= Lev Alburt
| last2= Krogius| first2= Nikolai| authorlink2 = Nikolai Krogius
| year = 2000
| title = Just the Facts!: Winning Endgame Knowledge in One Volume
| publisher =Newmarket Press
| isbn= 1-889323-15-2
  • {hide}Citation

| last= Beliavsky| first= Alexander| authorlink= Alexander Beliavsky
| last2= Mikhalchishin| first2= Adrian | authorlink2 = Adrian Mikhalchishin
| year = 1995
| title = Winning Endgame Technique
| publisher = Batsford
| isbn= 0-7134-7512-9
  • {hide}Citation

| last= Beliavsky| first= Alexander
| last2= Mikhalchishin| first2= Adrian
| year = 2003
| title = Modern Endgame Practice
| publisher = Batsford
| isbn= 0-7134-8740-2
  • {{citationfirst=Pal|authorlink=Pal Benko|year=2007|title=Pal Benko's Endgame Laboratory|publisher=Ishi Press|isbn= 0-923891-88-9}}
  • {hide}Citation
first=José Raúl| authorlink=José Raúl Capablanca| year=1966| title=Last Lectures| publisher=Cornerstone Library| id={edih}
  • {hide}citation

| last = de la Villa| first = Jesús|authorlink=Jesús de la Villa
| title = 100 Endgames You Must Know
| publisher = New in Chess
| year = 2008
| isbn= 978-90-5691-244-4
  • {hide}citation

| last = Dvoretsky| first = Mark| authorlink = Mark Dvoretsky
| year = 2006
| title = Dvoretsky's Endgame Manual
| edition = 2nd
| publisher = Russell Enterprises
| isbn= 1-888690-28-3
  • {hide}citation

| last=Dvoretsky|first=Mark
| last2=Yusupov|first2=Artur|authorlink2=Artur Yusupov (chess player)
| year=2008
| title=Secrets of Endgame Technique
| publisher=Olms
| isbn= 978-3-283-00517-7{edih}
  • {hide}Citation
first=John| authorlink=John Emms (chess player)|year=2008|title=The Survival Guide to Rook Endings|publisher=Gambit Publications|isbn=978-1-904600-94-7{edih}
  • {hide}citation

| last=Euwe | first=Max | authorlink=Max Euwe
| last2=Meiden | first2=Walter
| title= The Road to Chess Mastery
| year=1978
| origyear = 1966
| publisher=McKay
| isbn = 0-679-14525-7
  • {{Citation
first=Reuben|authorlink=Reuben Fine|year=1941|title=Basic Chess Endgamesisbn=0-7134-0552-X}}
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first=Reuben|authorlink=Reuben Fine|year=1952|title=The Middle Game in Chess|publisher=McKay|isbn={edih}
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first=Reuben first2=Pal | year=2003|origyear=1941| title=Basic Chess Endings| publisher=McKay| isbn= 0-8129-3493-8{edih}
  • {hide}Citation
first=Glenn|authorlink=Glenn Flear|year=2007|title=Practical Endgame Play â€“ beyond the basics: the definitive guide to the endgames that really matter|publisher=Everyman Chess|isbn= 978-1-85744-555-8{edih}
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first=Jonathan|authorlink=Jonathan Hawkins| title=Amateur to IM: Proven Ideas and Training Methods|publisher=Mongoose| year=2012| isbn=978-1-936277-40-7{edih}
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| last=Hooper| first=David| authorlink=David Vincent Hooper
| last2=Whyld| first2=Kenneth| authorlink2=Kenneth Whyld
| title=The Oxford Companion to Chess
| year=1992
| edition=2nd
| publisher=Oxford University Press
|isbn= 0-19-866164-9
  • {hide}Citation
first=James|authorlink=James Howell (chess player)|year=1997|title=Essential Chess Endings: The tournament player's guide|publisher=Batsford|isbn= 0-7134-8189-7{edih}
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first=Jurgenfirst2=Guido| title=Grandmaster Chess Strategy: What amateurs can learn from Ulf Andersson's positional masterpieces|publisher=New in Chess| year=2011| isbn=978-90-5691-346-5{edih}
  • {hide}Citation
first=Victor|authorlink=Victor Korchnoi|year=2002|title=Practical Rook Endings|publisher=Olms|isbn= 3-283-00401-3{edih}
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| last = Mednis| first = Edmar | authorlink = Edmar Mednis
| title = Questions and Answers on Practical Endgame Play
| publisher = Chess Enterprises
| year = 1987
| isbn= 0-931462-69-X
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| last = Mednis| first = Edmar
| last2=Crouch| first2=Colin
| title = Rate Your Endgame
| publisher = Cadogan
| year = 1992
| isbn= 978-1-85744-174-1
  • {hide}Citation
first=Nikolay|authorlink=Nikolay Minev|year=2004|title=A Practical Guide to Rook Endgames|publisher=Russell Enterprises|isbn= 1-888690-22-4{edih}{{anchor|M&L2001}}
  • {hide}Citation
first=Karsten|authorlink=Karsten Müllerfirst2=Frank|authorlink2=Frank Lamprecht|year=2001|title=Fundamental Chess Endings|publisher=Gambit Publications|isbn= 1-901983-53-6{edih}
  • {hide}Citation
first=Karsten first2=Frank |year=2007|title=Secrets of Pawn Endings|publisher=Gambit Publications|isbn= 978-1-904600-88-6{edih}
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first=John|authorlink=John Nunn|year=1995|title=Secrets of Minor-Piece Endings|publisher=Batsford|isbn= 0-8050-4228-8{edih}
  • {hide}Citation
first=John |year=2002|title=Secrets of Pawnless Endings|publisher=Gambit Publications|isbn= 1-901983-65-X{edih}
  • {hide}Citation

|title=Secrets of Practical Chess
|edition = 2nd
|publisher=Gambit Publications
|isbn= 978-1-904600-70-1
  • {hide}citation
first=John|authorlink= |year=2010|title=Nunn's Chess Endings, volume 1|publisher=Gambit Publications|isbn= 978-1-906454-21-0{edih}
  • {hide}citation

| last=Portisch|first=Lajos|authorlink=Lajos Portisch
| last2=Sárközy|first2=Balázs|authorlink2=Balázs Sárközy
| year=1981
| title=Six Hundred Endings
| edition=
| publisher=Pergamon Press
| isbn=978-0-08-024137-1{edih}
  • {hide}Citation
first=Andy|authorlink=Andrew Soltis|year=2003|title=Grandmaster Secrets: Endings|publisher=Thinker's Press|isbn= 0-938650-66-1{edih}
  • {hide}Citation
first=Jonathan|authorlink=Jon Speelman|year=1981|title=Endgame Preparation|publisher=Batsford|isbn= 0-7134-4000-7 {edih}
  • {{Citation

|last2=Tisdall|first2=Jon|authorlink2=Jonathan Tisdall
|last3=Wade|first3=Bob|authorlink3=Robert Wade (chess player)
|title=Batsford Chess Endings
|publisher=B. T. Batsford
|isbn= 0-7134-4420-7}}
  • {hide}citation
first=Alexey|authorlink=Alexey Troitsky|year=2006|title=Collection of Chess Studies (1937)|publisher=Ishi Press|isbn= 0-923891-10-2{edih} The last part (pages 197–257) is a supplement containing Troitzky's analysis of two knights versus pawns.
  • {{Citation

|last=Watson|first=John|authorlink=John L. Watson
|title=Secrets of Modern Chess Strategy
|isbn= 978-1-901983-07-4}}
  • {{citation
first=Norman|authorlink=Norman T. Whitakerfirst2=Glenn|year=1960|title=365 Ausgewählte Endspiele (365 Selected Endings)|publisher=|isbn= 0-923891-84-6}}

Further reading

  • {{Citation
first=Leonard|title=How to Play the Endgame in Chess|publisher=The Bobbs-Merill Company, Inc. |year=1975|location=Indianapolis/New York|ISBN=0-672-52086-9}}
  • {hide}Citation
first=Barbara Jane|title=A program to play chess end games|year=1968|publisher=Stanford University Department of Computer Science, Technical Report CS 106, Stanford Artificial Intelligence Project Memo AI-65|authorlink=Barbara Liskov{edih}
  • {{Citation
first=Lewis|title=Multilinear Algebra and Chess Endgames|publisher=Mathematical Sciences Research Institute, Games of No Chance, MSRI Publications, Volume 29|year=1996url=|format=PDF}}
  • {hide}citation

| last = Rogers |first = Ian |authorlink=Ian Rogers (chess player)
|date=January 2010
| title = The Lazy Person's Guide to Endgames
| journal = Chess Life
| volume = 2010
| issue = 1
| pages = 37–41
| doi =
| id =
| url =
| format =
| accessdate =

External links

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