Chess Endgames Flashcards

What is the 'rule of the square' in pawn endgames?

Answer: A method to determine if the defending king can catch a passed pawn without the help of other pieces

The rule of the square is a visual method to determine whether the defending king can intercept a passed pawn: draw a square from the pawn to the promotion square; if the king is in or can enter the square, it catches the pawn.

In king and two knights vs. king, what is the general result?

Answer: Draw — two knights cannot force checkmate against a lone king

Two knights cannot force checkmate against a lone king because every mating position requires the opponent to cooperate and move into it, making the result a draw with best play.

What is a 'passed pawn'?

Answer: A pawn with no opposing pawns blocking or attacking its path to promotion

A passed pawn has no enemy pawns on its file or adjacent files to block or capture it, making it a powerful asset that can advance toward promotion.

In rook endgames, what is the advantage of keeping the rook behind a passed pawn?

Answer: The rook gains more power as the pawn advances

A rook behind a passed pawn gains more attacking power as the pawn advances, while a rook in front of the pawn is passive and restricted.

What is the 'outside passed pawn' strategy in endgames?

Answer: Using a passed pawn on the wing to distract the king while winning pawns on the other side

An outside passed pawn draws the enemy king to one side of the board, allowing your king to capture pawns on the other side — a classic pawn endgame winning strategy.

In a bishop endgame, what makes 'opposite-colored bishops' special?

Answer: The game is usually drawn because each bishop controls squares the other cannot reach

In opposite-colored bishop endgames, each player's bishop controls different-colored squares, making it very difficult to make progress even with an extra pawn, often resulting in a draw.