Chess Puzzle #ZMgC4 — Advanced, White to move, middlegame

Position

White: king d2; queen e2; rook d1; bishop d3; knights b1/d4; pawns a2/c3/g2/h3. Black: king g8; queen a1; rooks a8/f8; bishop c8; pawns a6/b7/d5/e4/f7/g7/h7. Black is ahead by 2 points of material. White to move.

Solution (3 moves)

1. Opponent setup: exd3 — pawn e4→d3, captures bishop. Now White to move.
2. Best move: Kxd3 — king d2→d3, captures pawn. Opponent replies Bd7 (bishop c8→d7).
3. Best move: Na3 — knight b1→a3. Opponent replies Qxd1+ (queen a1→d1, captures rook, gives check).
4. Best move: Qxd1 — queen e2→d1, captures queen.

Tactical themes

advantage, long, middlegame, quiet move, trapped piece. The key move Kxd3 wins material.

Position data

FEN: r1b2rk1/1p3ppp/p7/3p4/3Np3/2PB3P/P2KQ1P1/qN1R4 b - - 0 20

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