Chess Puzzle #OOQYB — Master, White to move, middlegame

Position

White: king h2; queen b3; rook f1; bishop h3; pawns b2/e4/g3/h6. Black: king g8; queen d4; rook c7; bishop e5; pawns d6/f7/g6/h7. Material is balanced. White to move.

Solution (4 moves)

1. Opponent setup: Qa7 — queen d4→a7. Now White to move.
2. Best move: Ra1 — rook f1→a1. Opponent replies Qf2+ (queen a7→f2, gives check).
3. Best move: Kh1 — king h2→h1. Opponent replies Rc8 (rook c7→c8).
4. Best move: Rf1 — rook a1→f1. Opponent replies Qxf1+ (queen f2→f1, captures rook, gives check).
5. Best move: Bxf1 — bishop h3→f1, captures queen.

Tactical themes

crushing, endgame, very long. The key move is Ra1.

Position data

FEN: 6k1/2r2p1p/3p2pP/4b3/3qP3/1Q4PB/1P5K/5R2 b - - 1 35

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