Chess Puzzle #9kMJG — Master, Black to move, endgame

Position

White: king g7; bishop b1; pawn g6. Black: king e5; bishop b3; pawn a3. Material is balanced. Black to move.

Solution (4 moves)

1. Opponent setup: Kh7 — king g7→h7. Now Black to move.
2. Best move: Kd4 — king e5→d4. Opponent replies g7 (pawn g6→g7).
3. Best move: Kc3 — king d4→c3. Opponent replies g8=Q (pawn g7→g8, promotes to queen).
4. Best move: Bxg8+ — bishop b3→g8, captures queen, gives check. Opponent replies Kxg8 (king h7→g8, captures bishop).
5. Best move: Kb2 — king c3→b2.

Tactical themes

bishop endgame, crushing, endgame, very long. The key move Bxg8+ captures with check, forcing a response.

Position data

FEN: 8/6K1/6P1/4k3/8/pb6/8/1B6 w - - 9 61

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