Chess Puzzle #FjCd1 — Advanced, Black to move, endgame

Position

White: king a6; rook g7; bishop e5; pawns f2/g3. Black: king h8; rook a8; pawns b2/e6/h5/h7. White is ahead by 1 point of material. Black to move.

Solution (2 moves)

1. Opponent setup: Kb7 — king a6→b7. Now Black to move.
2. Best move: b1=Q+ — pawn b2→b1, promotes to queen, gives check. Opponent replies Kxa8 (king b7→a8, captures rook).
3. Best move: Qe4+ — queen b1→e4, gives check.

Tactical themes

advanced pawn, crushing, endgame, master, promotion, short. The key move is b1=Q+.

Position data

FEN: r6k/6Rp/K3p3/4B2p/8/6P1/1p3P2/8 w - - 1 51

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