Chess Puzzle #aJ5MN — Advanced, Black to move, middlegame

Position

White: king g1; queen a4; rooks c1/f1; pawns b3/f3/g2/h2. Black: king h8; queen g5; rooks d2/f8; pawns a7/g6/h7. White is ahead by 1 point of material. Black to move.

Solution (3 moves)

1. Opponent setup: g3 — pawn g2→g3. Now Black to move.
2. Best move: Qe3+ — queen g5→e3, gives check. Opponent replies Kh1 (king g1→h1).
3. Best move: Qe2 — queen e3→e2. Opponent replies Qd4+ (queen a4→d4, gives check).
4. Best move: Rxd4 — rook d2→d4, captures queen.

Tactical themes

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

Position data

FEN: 5r1k/p6p/6p1/6q1/Q7/1P3P2/3r2PP/2R2RK1 w - - 1 30

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