Chess Puzzle #BzGwW — Intermediate, Black to move, endgame

Position

White: king h2; queen c5; rook h5; knight d4; pawns g2/h3. Black: king g8; queen b8; rook f8; pawns g7/h7. White is ahead by 3 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: g3 — pawn g2→g3. Now Black to move.
2. Best move: Rf2+ — rook f8→f2, gives check. Opponent replies Kg1 (king h2→g1).
3. Best move: Qxg3+ — queen b8→g3, captures pawn, gives check. Opponent replies Kh1 (king g1→h1).
4. Best move: Qg2# — queen g3→g2, delivers checkmate.

Tactical themes

deflection, endgame, long, mate, mate in 3. The combination ends with Qg2# delivering checkmate.

Position data

FEN: 1q3rk1/6pp/8/2Q4R/3N4/7P/6PK/8 w - - 5 43

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