Chess Puzzle #CaHDC — Master, Black to move, middlegame

Position

White: king g1; queen b6; rook f1; bishop c6; pawns a6/b4/d5/f2/g2/h2. Black: king g8; queen e4; rook f8; knight f5; pawns d6/f7/g6/h3. White is ahead by 2 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: gxh3 — pawn g2→h3, captures pawn. Now Black to move.
2. Best move: Qf3 — queen e4→f3. Opponent replies Re1 (rook f1→e1).
3. Best move: Nh4 — knight f5→h4. Opponent replies Kf1 (king g1→f1).
4. Best move: Qd3+ — queen f3→d3, gives check.

Tactical themes

crushing, endgame, long, quiet move. The key move is Qf3.

Position data

FEN: 5rk1/5p2/PQBp2p1/3P1n2/1P2q3/7p/5PPP/5RK1 w - - 0 30

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