Chess Puzzle #0XIoY — Advanced, Black to move, middlegame

Position

White: king h2; queen e8; rook f1; knight d4; pawns c4/d3/f4/g3/h4. Black: king g7; queen a4; bishops c3/g4; pawns a5/c6/d6/f7/g6/h5. White is ahead by 1 point of material. Black to move.

Solution (3 moves)

1. Opponent setup: Qxc6 — queen e8→c6, captures pawn. Now Black to move.
2. Best move: Qa2+ — queen a4→a2, gives check. Opponent replies Qg2 (queen c6→g2).
3. Best move: Qxg2+ — queen a2→g2, captures queen, gives check. Opponent replies Kxg2 (king h2→g2, captures queen).
4. Best move: Bxd4 — bishop c3→d4, captures knight.

Tactical themes

crushing, endgame, long. The key move Qxg2+ captures with check, forcing a response.

Position data

FEN: 4Q3/5pk1/2pp2p1/p6p/q1PN1PbP/2bP2P1/7K/5R2 w - - 2 37

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