Chess Puzzle #sIGoG — Expert, White to move, middlegame

Position

White: king b1; rooks f1/f7; knight e6; pawns a2/b2/c3/g4/h3. Black: king g8; rooks c8/e3; knights c6/h4; pawns a7/b5/c7/d6/e5/g6/h5. Black is ahead by 5 points of material. White to move.

Solution (4 moves)

1. Opponent setup: Rxh3 — rook e3→h3, captures pawn. Now White to move.
2. Best move: Rg7+ — rook f7→g7, gives check. Opponent replies Kh8 (king g8→h8).
3. Best move: Rff7 — rook f1→f7. Opponent replies Rh1+ (rook h3→h1, gives check).
4. Best move: Kc2 — king b1→c2. Opponent replies Nd4+ (knight c6→d4, gives check).
5. Best move: cxd4 — pawn c3→d4, captures knight.

Tactical themes

clearance, crushing, middlegame, very long. The key move is Rg7+.

Position data

FEN: 2r3k1/p1p2R2/2npN1p1/1p2p2p/6Pn/2P1r2P/PP6/1K3R2 b - - 1 23

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