Chess Puzzle #0Bq6o — Advanced, White to move, middlegame

Position

White: king g1; queen b7; pawns a2/b4/f2/f3/h3. Black: king g8; queen c5; pawns a7/c6/f6/f7/g6/h7. Black is ahead by 1 point of material. White to move.

Solution (4 moves)

1. Opponent setup: Qb6 — queen c5→b6. Now White to move.
2. Best move: Qxb6 — queen b7→b6, captures queen. Opponent replies axb6 (pawn a7→b6, captures queen).
3. Best move: a4 — pawn a2→a4. Opponent replies Kf8 (king g8→f8).
4. Best move: a5 — pawn a4→a5. Opponent replies Ke7 (king f8→e7).
5. Best move: a6 — pawn a5→a6.

Tactical themes

crushing, endgame, queen endgame, quiet move, very long. The key move Qxb6 wins material.

Position data

FEN: 6k1/pQ3p1p/2p2pp1/2q5/1P6/5P1P/P4P2/6K1 b - - 0 26

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