Chess Puzzle #AgoSi — Advanced, Black to move, middlegame

Position

White: king g1; queen e5; rook d1; bishop e2; pawns a2/b3/f2/g2/h2. Black: king g8; queen g6; rook f3; bishop e4; pawns a6/b5/e6/f7/g7/h6. Black is ahead by 1 point of material. Black to move.

Solution (3 moves)

1. Opponent setup: Bxf3 — bishop e2→f3, captures rook. Now Black to move.
2. Best move: Bxf3 — bishop e4→f3, captures bishop. Opponent replies Qg3 (queen e5→g3).
3. Best move: Bxd1 — bishop f3→d1, captures rook. Opponent replies Qxg6 (queen g3→g6, captures queen).
4. Best move: fxg6 — pawn f7→g6, captures queen.

Tactical themes

crushing, endgame, long, pin. The key move Bxf3 wins material.

Position data

FEN: 6k1/5pp1/p3p1qp/1p2Q3/4b3/1P3r2/P3BPPP/3R2K1 w - - 0 28

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