Chess Puzzle #FiEUp — Advanced, White to move, middlegame

Position

White: king g1; queen c2; rooks a1/e1; bishops c3/h7; pawns a3/b2/c4/d5/g2/h2. Black: king h8; queen d8; rooks a8/f8; bishops b7/f4; knight d7; pawns a7/b6/c5/g7. Black is ahead by 1 point of material. White to move.

Solution (4 moves)

1. Opponent setup: Bxh2+ — bishop f4→h2, captures pawn, gives check. Now White to move.
2. Best move: Kxh2 — king g1→h2, captures bishop. Opponent replies Qh4+ (queen d8→h4, gives check).
3. Best move: Kg1 — king h2→g1. Opponent replies Qxh7 (queen h4→h7, captures bishop).
4. Best move: Qxh7+ — queen c2→h7, captures queen, gives check. Opponent replies Kxh7 (king h8→h7, captures queen).
5. Best move: Re7 — rook e1→e7.

Tactical themes

advantage, hanging piece, middlegame, very long. The key move Qxh7+ captures with check, forcing a response.

Position data

FEN: r2q1r1k/pb1n2pB/1p6/2pP4/2P2b2/P1B5/1PQ3PP/R3R1K1 b - - 2 21

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