Chess Puzzle #DKwSB — Advanced, Black to move, middlegame

Position

White: king g1; queen g4; rooks e1/e6; bishop d2; knight e7; pawns a2/b2/d4/h2. Black: king h8; queen c8; rooks f2/f8; bishop b8; pawns a7/b6/g2/g5/h6. White is ahead by 2 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Nxc8 — knight e7→c8, captures queen. Now Black to move.
2. Best move: Rf1+ — rook f2→f1, gives check. Opponent replies Kxg2 (king g1→g2, captures pawn).
3. Best move: R8f2+ — rook f8→f2, gives check. Opponent replies Kh3 (king g2→h3).
4. Best move: Rxh2# — rook f2→h2, captures pawn, delivers checkmate.

Tactical themes

fork, long, mate, mate in 3, middlegame. The combination ends with Rxh2# delivering checkmate.

Position data

FEN: 1bq2r1k/p3N3/1p2R2p/6p1/3P2Q1/8/PP1B1rpP/4R1K1 w - - 2 29

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