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The two knights endgame is a chess endgame with a king and two knights versus a king. In contrast to a king and two bishops (on opposite-colored squares), or a bishop and a knight, a king and two knights cannot force checkmate against a lone king (however, the superior side can force stalemate [1] [2]).
The bishop and knight mate is one of the four basic checkmates and occurs when the king works together with a bishop and knight to force the opponent king to the corner of the board. The bishop and knight endgame can be difficult to master: some positions may require up to 34 moves of perfect play before checkmate can be delivered.
After this move, White cannot prevent the black king escaping the b1–h7 diagonal. The black king can play up the g-file to g6 and the white king has no option but to follow with opposition on the e-file to at least e5, otherwise the black king can escape to the third perimeter at f5 or f6. 83... Kg4 84. Be4. The black king can now escape to ...
The bishop can be on other squares along the diagonal, the white king and knight have to be on squares that attack g8 and h7. The second position is a checkmate by the knight, with the black king on a side square next to the corner. The knight can be on other squares that check the black king.
When a lone king faces a king and two knights, a checkmate can never be forced; checkmate can occur only if the opponent commits a blunder by moving their king to a square where it can be checkmated on the next move. Checkmate can be forced with a bishop and knight, however, or with two bishops, even though the bishop and knight are in general ...
Each type of piece moves in a distinct way. The object of the game is to checkmate the opponent's king; checkmate occurs when a king is threatened with capture and has no escape. A game can end in various ways besides checkmate: a player can resign, and there are several ways a game can end in a draw.
Combinations with insufficient material to checkmate include: king versus king; king and bishop versus king; king and knight versus king; king and bishop versus king and bishop with the bishops on the same color. Mutual agreement – a player may offer a draw to their opponent at any stage of a game. If the opponent accepts, the game is a draw.
Some tactics can lead to draw by stalemate, threefold repetition, or insufficient material to checkmate. For example, a player with a king and rook against an opponent with a king, rook, and bishop or knight may try to exchange rooks leading to a draw because a king and lone bishop or knight cannot force checkmate.