Chess Puzzle #FonXo — Expert, Black to move, endgame

Position

White: king b5; rook e6; bishop c4; pawns b4/b6. Black: king f5; rook d4; bishop d3; pawn f3. White is ahead by 1 point of material. Black to move.

Solution (4 moves)

1. Opponent setup: Rc6 — rook e6→c6. Now Black to move.
2. Best move: Rxc4 — rook d4→c4, captures bishop. Opponent replies Rxc4 (rook c6→c4, captures rook).
3. Best move: Bxc4+ — bishop d3→c4, captures rook, gives check. Opponent replies Kxc4 (king b5→c4, captures bishop).
4. Best move: f2 — pawn f3→f2. Opponent replies b7 (pawn b6→b7).
5. Best move: f1=Q+ — pawn f2→f1, promotes to queen, gives check.

Tactical themes

advanced pawn, crushing, endgame, promotion, very long. The key move Bxc4+ captures with check, forcing a response.

Position data

FEN: 8/8/1P2R3/1K3k2/1PBr4/3b1p2/8/8 w - - 6 55

Solve this puzzle interactively on Brilliant Knight — free tactics training powered by Stockfish 18, no signup required.