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

Position

White: king g1; queen h4; rooks a1/g3; bishop d4; knight f3; pawns f2/g2/h2. Black: king g8; queen b3; rooks c4/f8; bishop e7; knight f6; pawns a5/e6/f7/g6/h7. Black is ahead by 2 points of material. White to move.

Solution (4 moves)

1. Opponent setup: Nd5 — knight f6→d5. Now White to move.
2. Best move: Qxh7+ — queen h4→h7, captures pawn, gives check. Opponent replies Kxh7 (king g8→h7, captures queen).
3. Best move: Rh3+ — rook g3→h3, gives check. Opponent replies Bh4 (bishop e7→h4).
4. Best move: Rxh4+ — rook h3→h4, captures bishop, gives check. Opponent replies Kg8 (king h7→g8).
5. Best move: Rh8# — rook h4→h8, delivers checkmate.

Tactical themes

attraction, kingside attack, mate, mate in 4, middlegame, sacrifice, very long. The combination ends with Rh8# delivering checkmate.

Position data

FEN: 5rk1/4bp1p/4pnp1/p7/2rB3Q/1q3NR1/5PPP/R5K1 b - - 1 26

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