Chess puzzle (Advantage)
Opening: Nimzo-Larsen_Attack, Nimzo-Larsen_Attack_Other_variations
Moves: 1. b3 Nc6 2. Bb2 b6 3. c4 Bb7 4. d4 d6 5. d5 Nb8 6. Nf3 Nd7 7. e4 e5 8. dxe6
fxe6 9. Bd3 Ngf6 10. O-O Be7 11. e5 dxe5 12. Nxe5 O-O 13. Nd2 *
Position (FEN): r2q1rk1/pbpnb1pp/1p2pn2/4N3/2P5/1P1B4/PB1N1PPP/R2Q1RK1 b - - 2 13
Black to move.
Themes:  Opening  
Puzzle rating: 1145
Best move: Nxe5