Chess Puzzle #iucqj — Expert, White to move, middlegame

Position

White: king g1; queen f2; rook b1; bishop d4; pawns a4/c3/g3/h2. Black: king a8; queen g4; rooks d8/g8; pawns a5/c7/d5/d7/f5/f7/h5. Black is ahead by 5 points of material. White to move.

Solution (3 moves)

1. Opponent setup: f4 — pawn f5→f4. Now White to move.
2. Best move: Qf1 — queen f2→f1. Opponent replies Qg6 (queen g4→g6).
3. Best move: Qb5 — queen f1→b5. Opponent replies Qxb1+ (queen g6→b1, captures rook, gives check).
4. Best move: Qxb1 — queen b5→b1, captures queen.

Tactical themes

advantage, endgame, long. The key move is Qf1.

Position data

FEN: k2r2r1/2pp1p2/8/p2p1p1p/P2B2q1/2P3P1/5Q1P/1R4K1 b - - 6 29

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