Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Closed
Moves: 1. e4 c5 2. Nc3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Qd2 g6 6. b3 Bg7 7. Bb2 a6 8.
O-O-O e5 9. Kb1 Nf6 10. Bc4 O-O 11. Qxd6 Qxd6 12. Rxd6 Nd4 13. Nd5 *
Position (FEN): r1b2rk1/1p3pbp/p2R1np1/3Np3/2BnP3/1P6/PBP2PPP/1K4NR b - - 2 13
Black to move.
Themes:  Middlegame  
Puzzle rating: 1629
Best move: Nxe4