Chess Puzzle #Gup2q — Master, Black to move, middlegame

Position

White: king g1; queen a7; rooks a1/f1; knight g4; pawns a2/d4/f3/g2/h2. Black: king g8; queen g5; rooks b2/f8; knight f6; pawns d5/e6/g7/h7. White is ahead by 1 point of material. Black to move.

Solution (3 moves)

1. Opponent setup: Rf2 — rook f1→f2. Now Black to move.
2. Best move: Nxg4 — knight f6→g4, captures knight. Opponent replies Rxb2 (rook f2→b2, captures rook).
3. Best move: Qe3+ — queen g5→e3, gives check. Opponent replies Kh1 (king g1→h1).
4. Best move: Qf4 — queen e3→f4.

Tactical themes

advantage, long, middlegame, sacrifice. The key move Nxg4 wins material.

Position data

FEN: 5rk1/Q5pp/4pn2/3p2q1/3P2N1/5P2/Pr4PP/R4RK1 w - - 3 21

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