Chess Puzzle #omkFg — Expert, White to move, middlegame

Position

White: king g2; queen c2; rooks a1/h1; bishop e3; pawns a2/b2/c3/f2/g3. Black: king g8; queen g4; rook f3; bishop d6; knight d3; pawns a7/b7/c7/e4/e5/g5. White is ahead by 1 point of material. White to move.

Solution (4 moves)

1. Opponent setup: Rxe3 — rook f3→e3, captures bishop. Now White to move.
2. Best move: Qb3+ — queen c2→b3, gives check. Opponent replies Kg7 (king g8→g7).
3. Best move: Rh7+ — rook h1→h7, gives check. Opponent replies Kxh7 (king g7→h7, captures rook).
4. Best move: Qf7+ — queen b3→f7, gives check. Opponent replies Kh8 (king h7→h8).
5. Best move: Rh1+ — rook a1→h1, gives check.

Tactical themes

attraction, crushing, exposed king, kingside attack, middlegame, sacrifice, very long. The key move is Qb3+.

Position data

FEN: 6k1/ppp5/3b4/4p1p1/4p1q1/2PnBrP1/PPQ2PK1/R6R b - - 1 27

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