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

Position

White: king g1; queen a1; rook d1; bishop d5; pawns a2/b3/c4/f4/g2/h2. Black: king g8; queen e7; rook e2; bishop c8; pawns a7/f7/g6/h7. White is ahead by 2 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Kf1 — king g1→f1. Now Black to move.
2. Best move: Qe3 — queen e7→e3. Opponent replies Qd4 (queen a1→d4).
3. Best move: Re1+ — rook e2→e1, gives check. Opponent replies Rxe1 (rook d1→e1, captures rook).
4. Best move: Qxd4 — queen e3→d4, captures queen.

Tactical themes

advantage, deflection, endgame, long. The key move is Qe3.

Position data

FEN: 2b3k1/p3qp1p/6p1/3B4/2P2P2/1P6/P3r1PP/Q2R2K1 w - - 1 21

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