Chess Puzzle #3ecBc — Master, Black to move, endgame

Position

White: king f1; rook e6; pawns a2/b3/c4/d5. Black: king f3; bishop g4; pawns b4/c5/f4/g3. White is ahead by 2 points of material. Black to move.

Solution (5 moves)

1. Opponent setup: Rc6 — rook e6→c6. Now Black to move.
2. Best move: Bh3+ — bishop g4→h3, gives check. Opponent replies Kg1 (king f1→g1).
3. Best move: Ke2 — king f3→e2. Opponent replies Rh6 (rook c6→h6).
4. Best move: f3 — pawn f4→f3. Opponent replies Rxh3 (rook h6→h3, captures bishop).
5. Best move: f2+ — pawn f3→f2, gives check. Opponent replies Kg2 (king g1→g2).
6. Best move: f1=Q+ — pawn f2→f1, promotes to queen, gives check.

Tactical themes

advanced pawn, crushing, endgame, exposed king, promotion, sacrifice, very long. The key move is Bh3+.

Position data

FEN: 8/8/4R3/2pP4/1pP2pb1/1P3kp1/P7/5K2 w - - 5 43

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