Chess Puzzle #B2bwW — Intermediate, Black to move, middlegame

Position

White: king h1; queen e1; bishop c1; pawns d4/e5/f2/f4/h2. Black: king g8; queen c6; pawns a4/f7/g7/h3. White is ahead by 4 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: d5 — pawn d4→d5. Now Black to move.
2. Best move: Qxd5+ — queen c6→d5, captures pawn, gives check. Opponent replies f3 (pawn f2→f3).
3. Best move: Qxf3+ — queen d5→f3, captures pawn, gives check. Opponent replies Kg1 (king h1→g1).
4. Best move: Qg2# — queen f3→g2, delivers checkmate.

Tactical themes

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

Position data

FEN: 6k1/5pp1/2q5/4P3/p2P1P2/7p/5P1P/2B1Q2K w - - 2 44

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