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

Position

White: king g1; queen c6; rooks e2/f1; knight f7; pawns a2/b2/c3/d4/g2. Black: king b8; queen c1; rooks d8/h8; bishop h2; pawns a6/b6/c7/h7. White is ahead by 1 point of material. Black to move.

Solution (4 moves)

1. Opponent setup: Kf2 — king g1→f2. Now Black to move.
2. Best move: Qf4+ — queen c1→f4, gives check. Opponent replies Qf3 (queen c6→f3).
3. Best move: Bg3+ — bishop h2→g3, gives check. Opponent replies Kg1 (king f2→g1).
4. Best move: Qh4 — queen f4→h4. Opponent replies Qxg3 (queen f3→g3, captures bishop).
5. Best move: Qxg3 — queen h4→g3, captures queen.

Tactical themes

advantage, fork, middlegame, very long. The key move is Qf4+.

Position data

FEN: 1k1r3r/2p2N1p/ppQ5/8/3P4/2P5/PP2R1Pb/2q2RK1 w - - 0 24

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