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

Position

White: king e1; queen d1; rooks a1/h1; bishop d3; knight c3; pawns a2/b2/c2/d4/f2/f4/g5. Black: king g8; queen d8; rooks a8/f8; bishop c8; knight c4; pawns a6/c6/c7/d5/e6/g6/h7. Material is balanced. Black to move.

Solution (2 moves)

1. Opponent setup: Rxh7 — rook h1→h7, captures pawn. Now Black to move.
2. Best move: Nxb2 — knight c4→b2, captures pawn. Opponent replies Qg4 (queen d1→g4).
3. Best move: Nxd3+ — knight b2→d3, captures bishop, gives check.

Tactical themes

advantage, middlegame, short. The key move Nxd3+ captures with check, forcing a response.

Position data

FEN: r1bq1rk1/2p4p/p1p1p1p1/3p2P1/2nP1P2/2NB4/PPP2P2/R2QK2R w KQ - 0 15

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