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In chess, the bishop and knight checkmate is the checkmate of a lone king by an opposing king, bishop, and knight.With the stronger side to move, checkmate can be forced in at most thirty-three moves from almost any starting position.
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.
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 Traxler Counterattack, also known as the Wilkes-Barre Variation, is a chess opening that begins with the moves: . 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Bc5!?. The opening is a variation of the Two Knights Defense [1] [2] where White has chosen the offensive line 4.Ng5, immediately attacking the f7-square with the knight and bishop, and Black has replied 4...Bc5, counterattacking the f2-square.
an unpaired bishop is slightly stronger than knight; a knight is superior to three average pawns, even in the endgame (situations like three passed pawns, especially if they are connected, would be exceptions); with queens on the board, a knight is worth four pawns (as commented by Vladimir Kramnik for a full board);
In chess, the Greek gift sacrifice, also known as the classical bishop sacrifice, is a typical sacrifice of a bishop by White playing Bxh7+ or Black playing Bxh2+ at some point after the opponent has castled kingside, with the goal generally being to attack and checkmate the opponent's king, or to regain material.
Philidor's mate, also known as Philidor's legacy, is a checkmating pattern that ends in smothered mate. This method involves checking with the knight forcing the king out of the corner of the board, moving the knight away to deliver a double check from the queen and knight, sacrificing the queen to force the rook next to the king, and mating with the knight.
Lichess (/ ˈ l iː tʃ ɛ s /; LEE-ches) [3] [4] is a free and open-source Internet chess server run by a non-profit organization of the same name. Users of the site can play online chess anonymously and optionally register an account to play rated games .