Chess Puzzle #UeAWU — Advanced, White to move, middlegame

Position

White: king g3; queen c7; pawns c5/f3/g4. Black: king g8; rooks a2/e6; pawns a6/c6/d5/f7/g5/g7. Black is ahead by 4 points of material. White to move.

Solution (3 moves)

1. Opponent setup: a5 — pawn a6→a5. Now White to move.
2. Best move: Qb8+ — queen c7→b8, gives check. Opponent replies Kh7 (king g8→h7).
3. Best move: Qb1+ — queen b8→b1, gives check. Opponent replies f5 (pawn f7→f5).
4. Best move: Qxa2 — queen b1→a2, captures rook.

Tactical themes

advantage, endgame, fork, long, queen rook endgame. The key move is Qb8+.

Position data

FEN: 6k1/2Q2pp1/p1p1r3/2Pp2p1/6P1/5PK1/r7/8 b - - 2 41

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