Chess Puzzle #gCZls — Expert, Black to move, middlegame

Position

White: king h1; rook c6; bishop a3; pawns d4/e5/g2/h3. Black: king f7; bishops d2/e6; pawns a5/b3/f5/g6/h5. White is ahead by 1 point of material. Black to move.

Solution (3 moves)

1. Opponent setup: Rd6 — rook c6→d6. Now Black to move.
2. Best move: Bb4 — bishop d2→b4. Opponent replies Bxb4 (bishop a3→b4, captures bishop).
3. Best move: b2 — pawn b3→b2. Opponent replies Ba3 (bishop b4→a3).
4. Best move: b1=Q+ — pawn b2→b1, promotes to queen, gives check.

Tactical themes

advanced pawn, crushing, endgame, long, promotion, sacrifice. The key move is Bb4.

Position data

FEN: 8/5k2/2R1b1p1/p3Pp1p/3P4/Bp5P/3b2P1/7K w - - 6 44

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