Chess Puzzle #0HY7v — Master, Black to move, middlegame

Position

White: king b5; queen b3; bishop h2; knight f3; pawns f4/g2/h4. Black: king h6; queen a5; bishop b4; pawns c5/d6/g6/h5. White is ahead by 2 points of material. Black to move.

Solution (5 moves)

1. Opponent setup: Kc4 — king b5→c4. Now Black to move.
2. Best move: Qa6+ — queen a5→a6, gives check. Opponent replies Kd5 (king c4→d5).
3. Best move: Qa8+ — queen a6→a8, gives check. Opponent replies Kxd6 (king d5→d6, captures pawn).
4. Best move: c4+ — pawn c5→c4, gives check. Opponent replies Qxb4 (queen b3→b4, captures bishop).
5. Best move: Qf8+ — queen a8→f8, gives check. Opponent replies Ke5 (king d6→e5).
6. Best move: Qxb4 — queen f8→b4, captures queen.

Tactical themes

crushing, discovered attack, discovered check, endgame, sacrifice, skewer, very long. The key move is Qa6+.

Position data

FEN: 8/8/3p2pk/qKp4p/1b3P1P/1Q3N2/6PB/8 w - - 10 41

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