Chess Puzzle #FKJ8k — Expert, White to move, middlegame

Position

White: king h1; queen f2; rook f4; bishop b3; pawns a3/b2/c2/d3/e4/g2/h3. Black: king g7; queen e7; rooks a7/f8; bishop c8; pawns a6/b5/d4/d6/f7/h4/h6. Black is ahead by 5 points of material. White to move.

Solution (4 moves)

1. Opponent setup: Be6 — bishop c8→e6. Now White to move.
2. Best move: Bxe6 — bishop b3→e6, captures bishop. Opponent replies fxe6 (pawn f7→e6, captures bishop).
3. Best move: Rxf8 — rook f4→f8, captures rook. Opponent replies Qxf8 (queen e7→f8, captures rook).
4. Best move: Qxd4+ — queen f2→d4, captures pawn, gives check. Opponent replies Kg6 (king g7→g6).
5. Best move: Qxa7 — queen d4→a7, captures rook.

Tactical themes

equality, fork, middlegame, very long. The key move Qxd4+ captures with check, forcing a response.

Position data

FEN: 2b2r2/r3qpk1/p2p3p/1p6/3pPR1p/PB1P3P/1PP2QP1/7K b - - 7 26

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