Chess Puzzle #AfS2r — Expert, Black to move, middlegame

Position

White: king e1; queen f7; rooks c1/g1; bishops c5/h1; knight e2; pawns a2/b4/f3/g4. Black: king b8; queen d3; rooks d8/e8; knight d5; pawns b7/c6/e3/g7/h7. White is ahead by 5 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Qxg7 — queen f7→g7, captures pawn. Now Black to move.
2. Best move: Nf4 — knight d5→f4. Opponent replies Qb2 (queen g7→b2).
3. Best move: Qd2+ — queen d3→d2, gives check. Opponent replies Qxd2 (queen b2→d2, captures queen).
4. Best move: exd2+ — pawn e3→d2, captures queen, gives check.

Tactical themes

advanced pawn, advantage, exposed king, long, middlegame, pin. The key move exd2+ captures with check, forcing a response.

Position data

FEN: 1k1rr3/1p3Qpp/2p5/2Bn4/1P4P1/3qpP2/P3N3/2R1K1RB w - - 1 27

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