Chess puzzle (Crushing)
Opening: Nimzo-Larsen_Attack, Nimzo-Larsen_Attack_Classical_Variation
Moves: 1. b3 d5 2. Bb2 e6 3. g3 Nf6 4. Bg2 Bc5 5. e3 b6 6. Qf3 Nbd7 7. c4 Bb7 8. Qe2
O-O 9. cxd5 Bxd5 10. Bxd5 exd5 11. Nc3 c6 12. Rc1 Bd6 13. Na4 c5 14. d4 cxd4
15. Bxd4 Re8 16. Nf3 Rc8 17. Rxc8 Qxc8 18. O-O Ne4 19. Qa6 *
Position (FEN): 2q1r1k1/p2n1ppp/Qp1b4/3p4/N2Bn3/1P2PNP1/P4P1P/5RK1 b - - 3 19
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1070
Best move: Qxa6