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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 Fried Liver Attack even involves a sacrifice of the knight on f7. In the Frankenstein–Dracula Variation of the Vienna Game (1.e4 e5 2.Nc3 Nf6 3.Bc4 Nxe4), threatening checkmate with 4.Qh5 is the only way for White to play for an advantage. The Modern Defense, Monkey's Bum variation involves White threatening a Scholar's mate with an early ...
The Danvers Opening hinders this by forcing Black (unless they want to sacrifice a pawn) to first defend the e-pawn (usually with 2...Nc6), then 3.Bc4 forces Black to make some compromise to defend against the mate threat; 3...g6 commits Black to fianchettoing the king bishop, 3...Qe7 blocks the bishop, and 3...Qf6 occupies knight's best square.
A mating pattern where a pinned knight moves, allowing the capture of the player's queen but leading to a checkmate with three minor pieces, occasionally occurs at lower levels of play, though masters would not normally fall for it. According to Bjerke (Spillet i mitt liv), the Légal Trap has ensnared countless unwary players. One author ...
In fact, the king, bishop, and knight can force checkmate on the lone enemy king on an arbitrary large chessboard, provided that it has a corner on the colour that the bishop travels on. This was shown by Julius Telesin in 1983. [8] [9] A single archbishop, chancellor, [10] WFA, [11] or superknight (but not rose) can also force checkmate. Two ...
Two basic checkmate positions are shown with a bishop and a knight, or the bishop and knight checkmate. [40] The first position is a checkmate by the bishop, with the black king in the corner. 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.
On 7.dxe5 Qxd1 8.Rxd1 fxe5, White cannot take the e5-pawn with the knight because the knight is pinned by the bishop. Multiple trades have occurred, however, bringing the position closer to an endgame, which is beneficial for White, who has the better pawn structure.