Chess Puzzle #MjUlx — Expert, White to move, middlegame

Position

White: king g1; queen f3; rook a1; bishops h5/h6; pawns a2/b3/c4/d3/g2/h2. Black: king g8; queen c7; rooks a8/f8; bishop c8; pawns a6/b7/c5/d4/e6/f5/f7/h7. Black is ahead by 4 points of material. White to move.

Solution (3 moves)

1. Opponent setup: Bd7 — bishop c8→d7. Now White to move.
2. Best move: Bf4 — bishop h6→f4. Opponent replies Qd8 (queen c7→d8).
3. Best move: Qg3+ — queen f3→g3, gives check. Opponent replies Kh8 (king g8→h8).
4. Best move: Bxf7 — bishop h5→f7, captures pawn.

Tactical themes

advantage, deflection, long, middlegame. The key move is Bf4.

Position data

FEN: r1b2rk1/1pq2p1p/p3p2B/2p2p1B/2Pp4/1P1P1Q2/P5PP/R5K1 b - - 1 18

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