Chess Puzzle #c2ynQ — Expert, Black to move, middlegame

Position

White: king g1; queen a6; rook a1; knight b1; pawns a2/c3/f2/g3/h2. Black: king e7; queen d5; bishop h3; pawns f7/h7. White is ahead by 8 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: Qa7+ — queen a6→a7, gives check. Now Black to move.
2. Best move: Kf8 — king e7→f8. Opponent replies f3 (pawn f2→f3).
3. Best move: Qd1+ — queen d5→d1, gives check. Opponent replies Kf2 (king g1→f2).
4. Best move: Qf1+ — queen d1→f1, gives check. Opponent replies Ke3 (king f2→e3).
5. Best move: Qg1+ — queen f1→g1, gives check.

Tactical themes

advantage, defensive move, endgame, very long. The key move is Kf8.

Position data

FEN: 8/4kp1p/Q7/3q4/8/2P3Pb/P4P1P/RN4K1 w - - 3 28

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