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

Position

White: king g1; queen b1; rooks a1/e1; bishops b2/h7; knights f3/h2; pawns a3/b3/c4/f2. Black: king h8; queen h3; rooks c8/e8; bishops b6/h5; knight c6; pawns a7/b7/e5/f7/g7/h6. White is ahead by 1 point of material. Black to move.

Solution (3 moves)

1. Opponent setup: Bf5 — bishop h7→f5. Now Black to move.
2. Best move: Qg3+ — queen h3→g3, gives check. Opponent replies Kh1 (king g1→h1).
3. Best move: Bxf3+ — bishop h5→f3, captures knight, gives check. Opponent replies Nxf3 (knight h2→f3, captures bishop).
4. Best move: Qxf3+ — queen g3→f3, captures knight, gives check.

Tactical themes

crushing, kingside attack, long, middlegame, pin. The key move Bxf3+ captures with check, forcing a response.

Position data

FEN: 2r1r2k/pp3ppB/1bn4p/4p2b/2P5/PP3N1q/1B3P1N/RQ2R1K1 w - - 0 21

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