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The wrong bishop is a situation in chess
Chess

Chess is a recreational and competitive game played between two Player . Sometimes called Western chess or international chess to distinguish it from History of chess and other chess variants, the current form of the game emerged in Southern Europe during the second half of the 15th century after evolving from similar, much older...
 endgame when a bishop
Bishop (chess)

A bishop is a Chess piece in the board game of chess. Each player begins the game with two bishops. One starts between the king's Knight and the King , the other between the queen's knight and the Queen ....
 on the other color of square of the chessboard
Chessboard

A chessboard is the type of checkerboard used in the game of chess, and consists of 64 squares arranged in two alternating colors . The colors are called "black" and "white" , although the actual colors are usually dark green and buff for boards used in competition, and often natural shades of light and dark woods for home boards....
 would either win a game instead of draw
Draw (chess)

In chess, a draw is one of the possible outcomes of a game, the others being a win for White and a win for Black . Traditionally, in tournaments a draw is worth a half point to each player, while a win is worth one point to the victor and none to the loser....
 or salvage a draw from an inferior position .

Rook versus bishop
White wins in this position. The defender has the wrong bishop if it is on the same color as the corner where his king is confined. Black's bishop is on the wrong color of square for it to form a fortress
Fortress (chess)

In chess, the fortress is an Chess endgame draw technique in which the side lagging in List of chess terms#Material sets up a zone of protection around their King that cannot be penetrated by the opponent....
 in the corner (i.e.






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The wrong bishop is a situation in chess
Chess

Chess is a recreational and competitive game played between two Player . Sometimes called Western chess or international chess to distinguish it from History of chess and other chess variants, the current form of the game emerged in Southern Europe during the second half of the 15th century after evolving from similar, much older...
 endgame when a bishop
Bishop (chess)

A bishop is a Chess piece in the board game of chess. Each player begins the game with two bishops. One starts between the king's Knight and the King , the other between the queen's knight and the Queen ....
 on the other color of square of the chessboard
Chessboard

A chessboard is the type of checkerboard used in the game of chess, and consists of 64 squares arranged in two alternating colors . The colors are called "black" and "white" , although the actual colors are usually dark green and buff for boards used in competition, and often natural shades of light and dark woods for home boards....
 would either win a game instead of draw
Draw (chess)

In chess, a draw is one of the possible outcomes of a game, the others being a win for White and a win for Black . Traditionally, in tournaments a draw is worth a half point to each player, while a win is worth one point to the victor and none to the loser....
 or salvage a draw from an inferior position .

Rook versus bishop


White wins in this position. The defender has the wrong bishop if it is on the same color as the corner where his king is confined. Black's bishop is on the wrong color of square for it to form a fortress
Fortress (chess)

In chess, the fortress is an Chess endgame draw technique in which the side lagging in List of chess terms#Material sets up a zone of protection around their King that cannot be penetrated by the opponent....
 in the corner (i.e. with the black king
King (chess)

In chess, the King is the most important chess piece. The object of the game is to trap the opponent's king so that he would not be able to avoid capture ....
 on the h8 square and the bishop on the g8 or h7 square). White wins:
1. Kf5! Kg8
2. Ra4!! The only way to win. If 2. Kg6? Kf8 and the black king is able to get out of the "dangerous corner" or "wrong corner" and head to a "safe corner" or "right corner" where he can set up the fortress
2... Be1
3. Kg6 Kf8
4. Rf4+!, followed by 5. Re4, winning .


Rook pawn

There are some situations involving a rook pawn and the wrong bishop.

A rook
Rook (chess)

A rook is a chess piece in the strategy board game of chess. In the past the piece was called the castle, tower, marquess, rector, and comes , and non-players still often call it a "castle"....
 and a rook pawn always win against the wrong bishop, as in this position. The defender has the wrong bishop if it is the one on the same color as the pawn's promotion square. The winning procedure is to give up the pawn
Pawn (chess)

The pawn is the weakest and most numerous chess piece in the game of chess, representing infantry, or more particularly armed peasants or pikemen....
 at the right time to get to a winning rook versus bishop endgame. If the bishop was on the other color, the defender may be able to form a fortress in the corner, as mentioned above .

In an endgame with a bishop and a rook pawn, the wrong bishop is one that does not control the promotion
Promotion (chess)

Promotion is a chess term describing the transformation of a Pawn that reaches its eighth rank into the player's choice of a Queen , Knight , Rook , or Bishop of the same List of chess terms#Color ....
 square of the pawn. This position is a draw with either side to move. Black simply keeps his king on the a8, a7, or b8 squares (or b7 if the pawn advances) to keep the pawn from promoting. A draw because of stalemate
Stalemate

Stalemate is a situation in chess where the player whose turn it is to move is not in check but has no legal moves. One of the rules of chess is that stalemate ends the game, with the result a draw ....
 is also possible. If the bishop were on the other color it could force the black king
King (chess)

In chess, the King is the most important chess piece. The object of the game is to trap the opponent's king so that he would not be able to avoid capture ....
 out of the corner and the pawn could promote and win .

Rook and bishop pawn


With a rook and a bishop pawn on the sixth rank versus a bishop, the bishop may be on the right color or the wrong color. In one case the rook and pawn win; in the other the bishop is able to draw. In this position Black is able to draw because his bishop is on the right color:
1... Be2
2. Kf4 Bc4
3. Kg5 Bd5!
4. Rc7 Ba2!
5. Kg6 Bb1+!
6. Kh6 Ba2!
7. Ra7 Bc4
and there is no way for White to make progress . This case is similar to the case with a rook pawn (above), which also may be a draw.

See also

  • Chess endgame
  • Wrong rook pawn
    Wrong rook pawn

    In chess chess endgame with a bishop , a pawn that is a rook pawn may be the wrong rook pawn. With a single bishop, the result of a position may depend on whether or not the bishop controls the square on the chessboard on which the pawn would promotion ....
  • Fortress (chess)
    Fortress (chess)

    In chess, the fortress is an Chess endgame draw technique in which the side lagging in List of chess terms#Material sets up a zone of protection around their King that cannot be penetrated by the opponent....
  • bishop (chess)
    Bishop (chess)

    A bishop is a Chess piece in the board game of chess. Each player begins the game with two bishops. One starts between the king's Knight and the King , the other between the queen's knight and the Queen ....