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

Position

White: king b2; queen c2; rook f2; bishop a3; knight b5; pawns a4/c5/d4/e3/g3/h4. Black: king g8; queen h1; rook a8; bishops b7/c7; knight b8; pawns a7/b6/d5/e4/e6/g7/h7. Black is ahead by 4 points of material. White to move.

Solution (3 moves)

1. Opponent setup: Bxg3 — bishop c7→g3, captures pawn. Now White to move.
2. Best move: Rf8+ — rook f2→f8, gives check. Opponent replies Kxf8 (king g8→f8, captures rook).
3. Best move: c6+ — pawn c5→c6, gives check. Opponent replies Kg8 (king f8→g8).
4. Best move: cxb7 — pawn c6→b7, captures bishop.

Tactical themes

advanced pawn, crushing, discovered attack, long, middlegame, sacrifice. The key move is Rf8+.

Position data

FEN: rn4k1/pbb3pp/1p2p3/1NPp4/P2Pp2P/B3P1P1/1KQ2R2/7q b - - 0 22

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