Chess puzzle (Advantage)
Opening: Nimzo-Larsen_Attack, Nimzo-Larsen_Attack_Classical_Variation
Moves: 1. b3 d5 2. Bb2 Nf6 3. e3 e5 4. Bxe5 Bd6 5. Bb2 O-O 6. Nc3 Nc6 7. h3 d4 8. Nb5
dxe3 9. dxe3 a6 10. Nxd6 cxd6 11. Bd3 Ne5 12. Bxe5 dxe5 13. Nf3 *
Position (FEN): r1bq1rk1/1p3ppp/p4n2/4p3/8/1P1BPN1P/P1P2PP1/R2QK2R b KQ - 1 13
Black to move.
Themes:  Middlegame  
Puzzle rating: 1338
Best move: e4