Chess Puzzle #LtnO4 — Advanced, Black to move, endgame

Position

White: king d2; bishop g4; pawns a3/b2/g2. Black: king d4; bishop c6; pawns a5/c4/f4. Material is balanced. Black to move.

Solution (4 moves)

1. Opponent setup: Bf3 — bishop g4→f3. Now Black to move.
2. Best move: Bxf3 — bishop c6→f3, captures bishop. Opponent replies gxf3 (pawn g2→f3, captures bishop).
3. Best move: a4 — pawn a5→a4. Opponent replies Ke2 (king d2→e2).
4. Best move: c3 — pawn c4→c3. Opponent replies bxc3+ (pawn b2→c3, captures pawn, gives check).
5. Best move: Kxc3 — king d4→c3, captures pawn.

Tactical themes

bishop endgame, crushing, endgame, quiet move, very long, zugzwang. The key move Bxf3 wins material.

Position data

FEN: 8/8/2b5/p7/2pk1pB1/P7/1P1K2P1/8 w - - 2 46

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