Chess Puzzle #x8FkQ — Expert, Black to move, endgame

Position

White: king g6; bishop a7; pawns f2/g3/h4. Black: king e5; bishop b1; pawns e4/f4/h5. Material is balanced. Black to move.

Solution (4 moves)

1. Opponent setup: Bb8+ — bishop a7→b8, gives check. Now Black to move.
2. Best move: Ke6 — king e5→e6. Opponent replies Kg5 (king g6→g5).
3. Best move: e3 — pawn e4→e3. Opponent replies fxe3 (pawn f2→e3, captures pawn).
4. Best move: f3 — pawn f4→f3. Opponent replies e4 (pawn e3→e4).
5. Best move: f2 — pawn f3→f2.

Tactical themes

advanced pawn, bishop endgame, crushing, defensive move, endgame, very long. The key move is Ke6.

Position data

FEN: 8/B7/6K1/4k2p/4pp1P/6P1/5P2/1b6 w - - 0 49

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