Chess Puzzle #B20iT — Advanced, White to move, middlegame

Position

White: king g1; rooks d1/g3; pawns b2/b4/c3/e3/f4/g2/h2. Black: king h8; rooks f5/f8; bishop f6; pawns a6/b7/d5/e6/h7. Black is ahead by 1 point of material. White to move.

Solution (3 moves)

1. Opponent setup: Rg8 — rook f8→g8. Now White to move.
2. Best move: Rxg8+ — rook g3→g8, captures rook, gives check. Opponent replies Kxg8 (king h8→g8, captures rook).
3. Best move: g4 — pawn g2→g4. Opponent replies Rxf4 (rook f5→f4, captures pawn).
4. Best move: exf4 — pawn e3→f4, captures rook.

Tactical themes

advantage, endgame, long, trapped piece. The key move Rxg8+ captures with check, forcing a response.

Position data

FEN: 5r1k/1p5p/p3pb2/3p1r2/1P3P2/2P1P1R1/1P4PP/3R2K1 b - - 4 25

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