Chess Puzzle #kyIKY — Master, Black to move, middlegame

Position

White: king h3; queen g4; bishop e3; pawns a3/b2/c3/g5. Black: king g8; queen d5; bishop b7; pawns a5/b5/h7. White is ahead by 1 point of material. Black to move.

Solution (5 moves)

1. Opponent setup: Qf4 — queen g4→f4. Now Black to move.
2. Best move: Qg2+ — queen d5→g2, gives check. Opponent replies Kh4 (king h3→h4).
3. Best move: Bc8 — bishop b7→c8. Opponent replies g6 (pawn g5→g6).
4. Best move: Qh3+ — queen g2→h3, gives check. Opponent replies Kg5 (king h4→g5).
5. Best move: h6+ — pawn h7→h6, gives check. Opponent replies Kf6 (king g5→f6).
6. Best move: Qe6# — queen h3→e6, delivers checkmate.

Tactical themes

endgame, exposed king, mate, mate in 5, quiet move, very long. The combination ends with Qe6# delivering checkmate.

Position data

FEN: 6k1/1b5p/8/pp1q2P1/6Q1/P1P1B2K/1P6/8 w - - 3 40

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