Chess Puzzle #EjlAA — Advanced, White to move, middlegame

Position

White: king g1; queen e2; knight e5; pawns a3/b4/g2/h3. Black: king g8; queen f4; rook d8; knight f5; pawns a6/g6/h5. Black is ahead by 4 points of material. White to move.

Solution (3 moves)

1. Opponent setup: Re8 — rook d8→e8. Now White to move.
2. Best move: Qa2+ — queen e2→a2, gives check. Opponent replies Kh7 (king g8→h7).
3. Best move: Qf7+ — queen a2→f7, gives check. Opponent replies Ng7 (knight f5→g7).
4. Best move: Qxf4 — queen f7→f4, captures queen.

Tactical themes

crushing, endgame, exposed king, fork, long. The key move is Qa2+.

Position data

FEN: 3r2k1/8/p5p1/4Nn1p/1P3q2/P6P/4Q1P1/6K1 b - - 1 46

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