Chess Puzzle #nMvZP — Expert, Black to move, middlegame

Position

White: king g1; queen c6; rook f1; pawns a3/c3/d4/g2/h2. Black: king h7; queen d2; rook e2; pawns b6/f6/g7/h6. White is ahead by 1 point of material. Black to move.

Solution (4 moves)

1. Opponent setup: a4 — pawn a3→a4. Now Black to move.
2. Best move: Qe3+ — queen d2→e3, gives check. Opponent replies Kh1 (king g1→h1).
3. Best move: Re1 — rook e2→e1. Opponent replies Qb5 (queen c6→b5).
4. Best move: Qf2 — queen e3→f2. Opponent replies Qf5+ (queen b5→f5, gives check).
5. Best move: Qxf5 — queen f2→f5, captures queen.

Tactical themes

crushing, endgame, pin, very long. The key move is Qe3+.

Position data

FEN: 8/6pk/1pQ2p1p/8/3P4/P1P5/3qr1PP/5RK1 w - - 8 38

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