Chess Puzzle #73hun — Master, Black to move, middlegame

Position

White: king g1; queen a4; rook c1; pawns a3/d4/e5/f2/g2/h3. Black: king g8; queen f5; rook c6; knight f4; pawns a7/d5/f7/g7/h6. Black is ahead by 2 points of material. Black to move.

Solution (6 moves)

1. Opponent setup: Rxc6 — rook c1→c6, captures rook. Now Black to move.
2. Best move: Qb1+ — queen f5→b1, gives check. Opponent replies Kh2 (king g1→h2).
3. Best move: Qf1 — queen b1→f1. Opponent replies Rc8+ (rook c6→c8, gives check).
4. Best move: Kh7 — king g8→h7. Opponent replies Qc2+ (queen a4→c2, gives check).
5. Best move: g6 — pawn g7→g6. Opponent replies f3 (pawn f2→f3).
6. Best move: Ne2 — knight f4→e2. Opponent replies Qxe2 (queen c2→e2, captures knight).
7. Best move: Qxe2 — queen f1→e2, captures queen.

Tactical themes

advantage, endgame, very long. The key move is Qb1+.

Position data

FEN: 6k1/p4pp1/2r4p/3pPq2/Q2P1n2/P6P/5PP1/2R3K1 w - - 0 30

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