Chess Puzzle #GX5QD — Advanced, White to move, middlegame

Position

White: king g1; queen e1; rook a1; bishop a4; knight g3; pawns a2/b2/c3/f2/g2/h3. Black: king g8; queen d5; rook f8; bishop d6; knights c6/h4; pawns a7/b7/c7/e4/f6/g7/h7. Black is ahead by 4 points of material. White to move.

Solution (2 moves)

1. Opponent setup: e3 — pawn e4→e3. Now White to move.
2. Best move: Bb3 — bishop a4→b3. Opponent replies Qxb3 (queen d5→b3, captures bishop).
3. Best move: axb3 — pawn a2→b3, captures queen.

Tactical themes

advantage, master, middlegame, pin, short. The key move is Bb3.

Position data

FEN: 5rk1/ppp3pp/2nb1p2/3q4/B3p2n/2P3NP/PP3PP1/R3Q1K1 b - - 1 20

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