Chess Puzzle #XcOF3 — Advanced, Black to move, endgame

Position

White: king h3; rooks f3/f4; bishop c2; pawns g2/h4. Black: king g7; queen e6; pawns b4/c3/f6. White is ahead by 3 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: g4 — pawn g2→g4. Now Black to move.
2. Best move: b3 — pawn b4→b3. Opponent replies Rxf6 (rook f4→f6, captures pawn).
3. Best move: bxc2 — pawn b3→c2, captures bishop. Opponent replies Rxe6 (rook f6→e6, captures queen).
4. Best move: c1=Q — pawn c2→c1, promotes to queen.

Tactical themes

advanced pawn, endgame, equality, long, promotion. The key move is b3.

Position data

FEN: 8/6k1/4qp2/8/1p3R1P/2p2R1K/2B3P1/8 w - - 4 56

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