Chess Puzzle #4qufD — Advanced, Black to move, middlegame

Position

White: king h1; queen e4; rook g1; bishops b1/h2; pawns a2/b3/c4/f2. Black: king f8; queen h3; rook d8; knight b4; pawns a7/b7/c6/f7/g5. White is ahead by 2 points of material. Black to move.

Solution (6 moves)

1. Opponent setup: Qh7 — queen e4→h7. Now Black to move.
2. Best move: Qf3+ — queen h3→f3, gives check. Opponent replies Rg2 (rook g1→g2).
3. Best move: Rd1+ — rook d8→d1, gives check. Opponent replies Bg1 (bishop h2→g1).
4. Best move: Rxb1 — rook d1→b1, captures bishop. Opponent replies Qxb1 (queen h7→b1, captures rook).
5. Best move: Nd3 — knight b4→d3. Opponent replies Qf1 (queen b1→f1).
6. Best move: Nf4 — knight d3→f4. Opponent replies Bh2 (bishop g1→h2).
7. Best move: Nxg2 — knight f4→g2, captures rook.

Tactical themes

equality, exposed king, middlegame, pin, sacrifice, very long. The key move is Qf3+.

Position data

FEN: 3r1k2/pp3p2/2p5/6p1/1nP1Q3/1P5q/P4P1B/1B4RK w - - 4 37

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