Chess puzzle (Equality)
Moves: 1. d4 e6 2. e4 d5 3. exd5 exd5 4. Nc3 Nf6 5. f3 Bb4 6. Bd2 Nc6 7. Qe2+ Be6 8.
O-O-O Nxd4 9. Qd3 c5 10. a3 Ba5 11. g4 O-O 12. Nb5 Bxd2+ 13. Rxd2 a6 *
Position (FEN): r2q1rk1/1p3ppp/p3bn2/1Npp4/3n2P1/P2Q1P2/1PPR3P/2K2BNR w - - 0 14
White to move.
Themes:  Middlegame  
Puzzle rating: 1605
Best move: Nxd4