Chess Puzzle #s6o7v — Advanced, Black to move, middlegame

Position

White: king g1; queen a7; rooks a1/f1; bishop c1; knight c3; pawns a2/b2/e3/f2/g2/h2. Black: king g8; queen g5; rooks a8/f8; bishop d6; knight f6; pawns a6/e6/f7/g7/h5. White is ahead by 1 point of material. Black to move.

Solution (5 moves)

1. Opponent setup: Qb6 — queen a7→b6. Now Black to move.
2. Best move: Bxh2+ — bishop d6→h2, captures pawn, gives check. Opponent replies Kxh2 (king g1→h2, captures bishop).
3. Best move: Qh4+ — queen g5→h4, gives check. Opponent replies Kg1 (king h2→g1).
4. Best move: Ng4 — knight f6→g4. Opponent replies Qc7 (queen b6→c7).
5. Best move: e5 — pawn e6→e5. Opponent replies Qxe5 (queen c7→e5, captures pawn).
6. Best move: Nxe5 — knight g4→e5, captures queen.

Tactical themes

attraction, crushing, kingside attack, middlegame, quiet move, sacrifice, very long. The key move Bxh2+ captures with check, forcing a response.

Position data

FEN: r4rk1/Q4pp1/p2bpn2/6qp/8/2N1P3/PP3PPP/R1B2RK1 w - - 4 19

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