Chess Puzzle #cORKf — Advanced, White to move, middlegame

Position

White: king h1; queen c1; rooks e1/f1; bishops c4/f4; knight e4; pawns d3/f3/g2/h5. Black: king g8; queen b2; rooks c8/e8; bishop h8; knights d4/f5; pawns a3/a6/c3/f7/g6/h7. Black is ahead by 2 points of material. White to move.

Solution (4 moves)

1. Opponent setup: Rxc4 — rook c8→c4, captures bishop. Now White to move.
2. Best move: Nf6+ — knight e4→f6, gives check. Opponent replies Bxf6 (bishop h8→f6, captures knight).
3. Best move: Rxe8+ — rook e1→e8, captures rook, gives check. Opponent replies Kg7 (king g8→g7).
4. Best move: h6+ — pawn h5→h6, gives check. Opponent replies Nxh6 (knight f5→h6, captures pawn).
5. Best move: Bxh6# — bishop f4→h6, captures knight, delivers checkmate.

Tactical themes

discovered attack, kingside attack, mate, mate in 4, middlegame, very long. The combination ends with Bxh6# delivering checkmate.

Position data

FEN: 2r1r1kb/5p1p/p5p1/5n1P/2BnNB2/p1pP1P2/1q4P1/2Q1RR1K b - - 0 28

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