Chess Puzzle #j0uYs — Expert, Black to move, endgame

Position

White: king h2; bishop h4; pawns f3/g3/h3. Black: king e3; bishop b2; pawns e5/f4. White is ahead by 1 point of material. Black to move.

Solution (5 moves)

1. Opponent setup: g4 — pawn g3→g4. Now Black to move.
2. Best move: Kxf3 — king e3→f3, captures pawn. Opponent replies Bf6 (bishop h4→f6).
3. Best move: Ke2 — king f3→e2. Opponent replies g5 (pawn g4→g5).
4. Best move: f3 — pawn f4→f3. Opponent replies g6 (pawn g5→g6).
5. Best move: f2 — pawn f3→f2. Opponent replies g7 (pawn g6→g7).
6. Best move: f1=Q — pawn f2→f1, promotes to queen.

Tactical themes

advanced pawn, bishop endgame, crushing, endgame, promotion, very long. The key move Kxf3 wins material.

Position data

FEN: 8/8/8/4p3/5p1B/4kPPP/1b5K/8 w - - 1 57

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