Chess Puzzle #0cGIA — Expert, Black to move, endgame

Position

White: king f4; rook d5; pawn g5. Black: king c4; bishop f5; pawns b5/g6. White is ahead by 1 point of material. Black to move.

Solution (4 moves)

1. Opponent setup: Rd8 — rook d5→d8. Now Black to move.
2. Best move: b4 — pawn b5→b4. Opponent replies Rf8 (rook d8→f8).
3. Best move: b3 — pawn b4→b3. Opponent replies Rxf5 (rook f8→f5, captures bishop).
4. Best move: b2 — pawn b3→b2. Opponent replies Rf7 (rook f5→f7).
5. Best move: b1=Q — pawn b2→b1, promotes to queen.

Tactical themes

advanced pawn, crushing, endgame, promotion, quiet move, sacrifice, very long. The key move is b4.

Position data

FEN: 8/8/6p1/1p1R1bP1/2k2K2/8/8/8 w - - 2 66

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