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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]). Although there are checkmate positions, a king and two knights cannot force them against proper, relatively easy defense. [3]
[1] [2] Although it is classified as one of the four basic checkmates, [3] [a] the bishop and knight checkmate occurs in practice only approximately once in every 6,000 games. [ 4 ] This article uses algebraic notation to describe chess moves.
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.
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Nxd5 6.Nxf7: ECO: C57: Origin: Polerio vs. Domenico, Rome c. 1610: Named after: Italian dish ("Fegatelli" is pork liver sliced up, wrapped in fat netting and cooked over a fire; likewise Black's king is wrapped in White's mating net [1]) Parent: Two Knights Defense: Synonym(s) Fegatello Attack
An unexpected result from empirical computer studies is that the princess (a bishop-knight compound) and empress (a rook-knight compound) have almost exactly the same value, even though the lone rook is two pawns stronger than the lone bishop. The empress is about 50 centipawns weaker than the queen, and the princess 75 centipawns weaker than ...
[2] [3] Chess sets have been made in a variety of styles, sometimes for decorative or artistic purposes rather than practical play, but the Staunton pattern is standard for competition. In play, the term is usually used to exclude pawns, referring only to a queen, rook, bishop, knight, or king.
More rarely, Boden's Mate can occur, for example, (a) where a White bishop on g6 delivers mate to a Black king on e8, which is hemmed in by a White bishop on a3, and its own queen on d8 and knight on d7 or (b) where a bishop on h6 delivers mate to a Black king on f8, which is hemmed in by a White bishop on c4, and its own queen on e8 and bishop ...
[8] [9] The software running Lichess and the design are mostly open source under the AGPL license [10] and other free and non-free licenses. [11] The name Lichess is a "combination of live/light/libre and chess". [12] On February 11, 2015, an official Lichess mobile app was released for Android devices. [13]