Chess Puzzle #5fbDh — Master, White to move, middlegame

Position

White: king h2; queen a2; rooks a6/c1; bishop c6; pawns b6/c4/d3/e4/h3. Black: king b8; queen c7; rooks f3/g8; knight c8; pawns a7/d4/d6/e5/h5. Material is balanced. White to move.

Solution (4 moves)

1. Opponent setup: Qg7 — queen c7→g7. Now White to move.
2. Best move: bxa7+ — pawn b6→a7, captures pawn, gives check. Opponent replies Nxa7 (knight c8→a7, captures pawn).
3. Best move: Rb6+ — rook a6→b6, gives check. Opponent replies Kc8 (king b8→c8).
4. Best move: Qa6+ — queen a2→a6, gives check. Opponent replies Kd8 (king c8→d8).
5. Best move: Rb8+ — rook b6→b8, gives check.

Tactical themes

advanced pawn, crushing, middlegame, queenside attack, very long. The key move bxa7+ captures with check, forcing a response.

Position data

FEN: 1kn3r1/p1q5/RPBp4/4p2p/2PpP3/3P1r1P/Q6K/2R5 b - - 0 34

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