Chess Puzzle #kO5ZS — Expert, White to move, middlegame

Position

White: king g1; queen e4; rook f1; bishops d3/h6; pawns e5/g2/h2. Black: king g8; queen a2; rooks a8/f8; bishop e7; pawns a7/b7/f7/g6/h7. Black is ahead by 4 points of material. White to move.

Solution (4 moves)

1. Opponent setup: Rfd8 — rook f8→d8. Now White to move.
2. Best move: Bc4 — bishop d3→c4. Opponent replies Qb2 (queen a2→b2).
3. Best move: Rxf7 — rook f1→f7, captures pawn. Opponent replies Rd1+ (rook d8→d1, gives check).
4. Best move: Rf1+ — rook f7→f1, gives check. Opponent replies Kh8 (king g8→h8).
5. Best move: Rxd1 — rook f1→d1, captures rook.

Tactical themes

advantage, discovered attack, middlegame, very long. The key move is Bc4.

Position data

FEN: r4rk1/pp2bp1p/6pB/4P3/4Q3/3B4/q5PP/5RK1 b - - 1 20

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