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

Position

White: king h2; queen d4; rook b5; knight f3; pawns b3/c4/g2/h3. Black: king e3; queen f1; rook a1; knight e4; pawns e7/f5/g6/h5. Material is balanced. White to move.

Solution (3 moves)

1. Opponent setup: Ke2 — king e3→e2. Now White to move.
2. Best move: Ng1+ — knight f3→g1, gives check. Opponent replies Qxg1+ (queen f1→g1, captures knight, gives check).
3. Best move: Qxg1 — queen d4→g1, captures queen. Opponent replies Rxg1 (rook a1→g1, captures queen).
4. Best move: Kxg1 — king h2→g1, captures rook.

Tactical themes

crushing, endgame, long. The key move is Ng1+.

Position data

FEN: 8/4p3/6p1/1R3p1p/2PQn3/1P2kN1P/6PK/r4q2 b - - 13 40

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