Chess Puzzle #BJ8FK — Advanced, White to move, middlegame

Position

White: king f1; queen f3; rook e1; bishops c2/f4; pawns a2/b2/c3/g2/h3. Black: king g8; queen b6; rooks a8/f6; knight b8; pawns a7/b7/c6/d5/f7/g7/h6. Black is ahead by 4 points of material. White to move.

Solution (4 moves)

1. Opponent setup: g5 — pawn g7→g5. Now White to move.
2. Best move: Re8+ — rook e1→e8, gives check. Opponent replies Kg7 (king g8→g7).
3. Best move: Be5 — bishop f4→e5. Opponent replies Nd7 (knight b8→d7).
4. Best move: Bxf6+ — bishop e5→f6, captures rook, gives check. Opponent replies Nxf6 (knight d7→f6, captures bishop).
5. Best move: Rxa8 — rook e8→a8, captures rook.

Tactical themes

advantage, kingside attack, middlegame, pin, very long. The key move Bxf6+ captures with check, forcing a response.

Position data

FEN: rn4k1/pp3pp1/1qp2r1p/3p4/5B2/2P2Q1P/PPB3P1/4RK2 b - - 0 20

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