Chess Puzzle #Ialmz — Expert, Black to move, middlegame

Position

White: king g2; queen d1; rooks a1/h1; bishops c1/f1; knights b1/f3; pawns a2/b2/c4/e3/g3/h2. Black: king g8; queen b6; rooks a8/f8; bishop c8; knights b8/g4; pawns a7/b7/c6/d7/g7/h7. White is ahead by 3 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: b3 — pawn b2→b3. Now Black to move.
2. Best move: Qxe3 — queen b6→e3, captures pawn. Opponent replies Bxe3 (bishop c1→e3, captures queen).
3. Best move: Nxe3+ — knight g4→e3, captures bishop, gives check. Opponent replies Kf2 (king g2→f2).
4. Best move: Nxd1+ — knight e3→d1, captures queen, gives check.

Tactical themes

equality, fork, long, opening, sacrifice. The key move Nxe3+ captures with check, forcing a response.

Position data

FEN: rnb2rk1/pp1p2pp/1qp5/8/2P3n1/4PNP1/PP4KP/RNBQ1B1R w - - 3 10

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