Chess Puzzle #93UmQ — Master, Black to move, middlegame

Position

White: king g2; queen d2; rook d1; bishop d5; pawns a2/b2/e4/f3/g3. Black: king g7; queen d4; rook c7; bishop b6; pawns d3/e5/g5/h6. White is ahead by 1 point of material. Black to move.

Solution (4 moves)

1. Opponent setup: Qxd3 — queen d2→d3, captures pawn. Now Black to move.
2. Best move: Qf2+ — queen d4→f2, gives check. Opponent replies Kh3 (king g2→h3).
3. Best move: g4+ — pawn g5→g4, gives check. Opponent replies fxg4 (pawn f3→g4, captures pawn).
4. Best move: Rc2 — rook c7→c2. Opponent replies Qxc2 (queen d3→c2, captures rook).
5. Best move: Qxc2 — queen f2→c2, captures queen.

Tactical themes

crushing, endgame, very long. The key move is Qf2+.

Position data

FEN: 8/2r3k1/1b5p/3Bp1p1/3qP3/3p1PP1/PP1Q2K1/3R4 w - - 4 46

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