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

Position

White: king g1; queen e3; rook a1; knight b1; pawns a2/b2/e4/f2/h3. Black: king g8; queen f4; knight f3; pawns a7/b7/c7/d6/e6/g7/h6. White is ahead by 3 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Kg2 — king g1→g2. Now Black to move.
2. Best move: Qxe3 — queen f4→e3, captures queen. Opponent replies fxe3 (pawn f2→e3, captures queen).
3. Best move: Ne1+ — knight f3→e1, gives check. Opponent replies Kf1 (king g2→f1).
4. Best move: Nc2 — knight e1→c2.

Tactical themes

advantage, endgame, long. The key move Qxe3 wins material.

Position data

FEN: 6k1/ppp3p1/3pp2p/8/4Pq2/4Qn1P/PP3P2/RN4K1 w - - 0 23

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