Chess Puzzle #Kp8vx — Master, Black to move, middlegame

Position

White: king g1; queen b3; rooks d1/f1; bishops c4/g3; pawns a2/b2/c3/e4/f2/h2. Black: king e8; queen f6; rooks a8/h8; bishops b6/h3; pawns a7/b7/d6/f7/g7. White is ahead by 1 point of material. Black to move.

Solution (3 moves)

1. Opponent setup: Bxd6 — bishop g3→d6, captures pawn. Now Black to move.
2. Best move: O-O-O — king e8→c8. Opponent replies Bg3 (bishop d6→g3).
3. Best move: Qf3 — queen f6→f3. Opponent replies Be6+ (bishop c4→e6, gives check).
4. Best move: Bxe6 — bishop h3→e6, captures bishop.

Tactical themes

advantage, castling, long, middlegame. The key move is O-O-O.

Position data

FEN: r3k2r/pp3pp1/1b1p1q2/8/2B1P3/1QP3Bb/PP3P1P/3R1RK1 w kq - 2 22

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