Chess Puzzle #9Xmp8 — Master, Black to move, endgame

Position

White: king e5; queen f4; pawn f5. Black: king c2; queen e2; pawn c3. Material is balanced. Black to move.

Solution (5 moves)

1. Opponent setup: Kd6 — king e5→d6. Now Black to move.
2. Best move: Qd2+ — queen e2→d2, gives check. Opponent replies Qxd2+ (queen f4→d2, captures queen, gives check).
3. Best move: cxd2 — pawn c3→d2, captures queen. Opponent replies f6 (pawn f5→f6).
4. Best move: d1=Q+ — pawn d2→d1, promotes to queen, gives check. Opponent replies Ke7 (king d6→e7).
5. Best move: Qe1+ — queen d1→e1, gives check. Opponent replies Kf8 (king e7→f8).
6. Best move: Qb4+ — queen e1→b4, gives check.

Tactical themes

advanced pawn, crushing, endgame, promotion, queen endgame, very long. The key move is Qd2+.

Position data

FEN: 8/8/8/4KP2/5Q2/2p5/2k1q3/8 w - - 2 65

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