Chess Puzzle #9Ai9m — Master, Black to move, endgame

Position

White: king g5; queen a7; knight h4; pawns d5/f5. Black: king f8; queen f4; pawns a3/d6/e5. White is ahead by 2 points of material. Black to move.

Solution (6 moves)

1. Opponent setup: Kg6 — king g5→g6. Now Black to move.
2. Best move: Qg4+ — queen f4→g4, gives check. Opponent replies Kf6 (king g6→f6).
3. Best move: Qxh4+ — queen g4→h4, captures knight, gives check. Opponent replies Ke6 (king f6→e6).
4. Best move: Qh5 — queen h4→h5. Opponent replies f6 (pawn f5→f6).
5. Best move: Qg4+ — queen h5→g4, gives check. Opponent replies Kxd6 (king e6→d6, captures pawn).
6. Best move: Qb4+ — queen g4→b4, gives check. Opponent replies Ke6 (king d6→e6).
7. Best move: Qg4+ — queen b4→g4, gives check.

Tactical themes

endgame, equality, fork, very long. The key move Qxh4+ captures with check, forcing a response.

Position data

FEN: 5k2/Q7/3p4/3PpPK1/5q1N/p7/8/8 w - - 2 46

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