Chess Puzzle #FpWKG — Advanced, Black to move, endgame

Position

White: king b2; rook e5; bishop h8; pawn d4. Black: king b4; bishop b5; pawns a4/b3. White is ahead by 4 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: d5 — pawn d4→d5. Now Black to move.
2. Best move: a3+ — pawn a4→a3, gives check. Opponent replies Kc1 (king b2→c1).
3. Best move: b2+ — pawn b3→b2, gives check. Opponent replies Kc2 (king c1→c2).
4. Best move: Bd3+ — bishop b5→d3, gives check. Opponent replies Kxd3 (king c2→d3, captures bishop).
5. Best move: b1=Q+ — pawn b2→b1, promotes to queen, gives check.

Tactical themes

advanced pawn, attraction, crushing, deflection, endgame, exposed king, promotion, very long. The key move is a3+.

Position data

FEN: 7B/8/8/1b2R3/pk1P4/1p6/1K6/8 w - - 4 79

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