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

Position

White: king g1; rooks c1/f6; bishop c8; pawns a2/g2/g5/h2. Black: king g7; rook c7; bishop b7; pawns a6/b5/d2/e5/f7/g6/h7. White is ahead by 2 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Rxc7 — rook c1→c7, captures rook. Now Black to move.
2. Best move: d1=Q+ — pawn d2→d1, promotes to queen, gives check. Opponent replies Rf1 (rook f6→f1).
3. Best move: Qd4+ — queen d1→d4, gives check. Opponent replies Kh1 (king g1→h1).
4. Best move: Bd5 — bishop b7→d5.

Tactical themes

advanced pawn, advantage, endgame, long, promotion. The key move is d1=Q+.

Position data

FEN: 2B5/1br2pkp/p4Rp1/1p2p1P1/8/8/P2p2PP/2R3K1 w - - 0 29

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