Chess Puzzle #0UChs — Advanced, Black to move, middlegame

Position

White: king h2; queen d5; rooks b1/f1; bishop b2; knight b3; pawns a3/b4/e4/g3. Black: king g8; rook c2; knights f5/g5; pawns a6/b5/f7/g6/h7. White is ahead by 13 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Rf2 — rook f1→f2. Now Black to move.
2. Best move: Rxf2+ — rook c2→f2, captures rook, gives check. Opponent replies Kg1 (king h2→g1).
3. Best move: Nh3+ — knight g5→h3, gives check. Opponent replies Kh1 (king g1→h1).
4. Best move: Nxg3# — knight f5→g3, captures pawn, delivers checkmate.

Tactical themes

hanging piece, long, mate, mate in 3, middlegame. The combination ends with Nxg3# delivering checkmate.

Position data

FEN: 6k1/5p1p/p5p1/1p1Q1nn1/1P2P3/PN4P1/1Br4K/1R3R2 w - - 1 27

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