Chess Puzzle #SRTCE — Expert, Black to move, endgame

Position

White: king e3; knight d6; pawns c5/c7. Black: king g3; queen f1; bishop f3; pawn a6. Black is ahead by 8 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: c8=Q — pawn c7→c8, promotes to queen. Now Black to move.
2. Best move: Qe2+ — queen f1→e2, gives check. Opponent replies Kd4 (king e3→d4).
3. Best move: Qd2+ — queen e2→d2, gives check. Opponent replies Ke5 (king d4→e5).
4. Best move: Qf4+ — queen d2→f4, gives check. Opponent replies Ke6 (king e5→e6).
5. Best move: Bg4+ — bishop f3→g4, gives check.

Tactical themes

crushing, endgame, exposed king, master, very long. The key move is Qe2+.

Position data

FEN: 8/2P5/p2N4/2P5/8/4Kbk1/8/5q2 w - - 0 61

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