Chess puzzle (Crushing)
Opening: Nimzo-Larsen_Attack, Nimzo-Larsen_Attack_Classical_Variation
Moves: 1. b3 d5 2. Bb2 Nc6 3. e3 a6 4. f4 Nf6 5. Nf3 Bg4 6. Be2 Bxf3 7. Bxf3 e6 8. O-O
Be7 9. d3 O-O 10. Nd2 Re8 11. Bg4 Bd6 12. e4 dxe4 13. dxe4 e5 14. fxe5 Bxe5 15.
Bxe5 Nxe5 16. Bf3 Nxf3+ 17. gxf3 Nh5 18. Qe1 Nf4 19. Nc4 *
Position (FEN): r2qr1k1/1pp2ppp/p7/8/2N1Pn2/1P3P2/P1P4P/R3QRK1 b - - 4 19
Black to move.
Themes:  Middlegame  
Puzzle rating: 1837
Best move: Qg5+