Author: Dann Corbit
Date: 02:32:34 09/18/02
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On September 17, 2002 at 22:57:26, Dann Corbit wrote: >Which engine finds the checkmate in this one: >[D]r3nr1k/ppqbNpp1/7p/2p1p3/2B4Q/P4P2/1PP4P/2KR2R1 w - - >? > >Not just the key move -- the checkmate sequence. The Chessmaster recommends: Rook takes pawn. Analysis: Your rook captures pawn, which threatens mate (queen takes pawn), attacks Black's pawn at h6, and isolates Black's pawn at h6. Black responds by moving queen to b6, which protects Black's pawn at h6. You move your rook to g6, which threatens mate (queen takes pawn) and forks Black's queen and Black's pawn at h6. Black counters with queen takes rook, which removes the threat on Black's pawn at h6. Your knight captures queen, which quadruple-forks Black's king, Black's pawn at e5, Black's rook at f8, and Black's pawn at h6. Black responds by moving the king to g7, which moves it out of check and protects Black's pawn at h6. Your knight captures rook. Black counters with the knight to f6, which removes the threat on Black's bishop. Your knight captures bishop, which forks Black's pawn at c5 and Black's pawn at e5. Black responds with the knight to h7. You move your rook to g1, which checks Black's king. Black replies by moving the king to h8, which moves it out of check. You move your queen to g3, which threatens checkmate (queen to g7). Black replies by moving knight to g5, which protects Black's pawn at f7. Your queen takes pawn, which checks Black's king and isolates Black's pawn at f7. Black responds by moving king to h7, which moves it out of check. You move your bishop to d3, which checks Black's king. Black counters with the pawn to f5, which protects Black's king. Your queen captures pawn at f5, which protects your pawn at f3, checks Black's king, and creates a passed pawn on f3. Black responds with the king to h8, which moves it out of check. You move your queen to f6, which forks Black's pawn at h6 and Black's king. Black is forced to move king to g8, which moves it out of check. Your rook captures knight, which checks Black's king. Black is forced to move pawn takes rook, which removes the threat on Black's king. You move your queen to g6, which checks Black's king. Black is forced to move king to h8, which moves it out of check. You move your queen to h7, which checkmates Black's king. You can force checkmate in 14 moves.
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