Chess puzzle (Crushing)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Mason_Variation
Moves: 1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. c4 c5 5. Nf3 cxd4 6. Qxd4 Nc6 7. Qd1 Bb4+ 8.
Nbd2 Bxd2+ 9. Qxd2 O-O 10. cxd5 Nxd5 11. Bg3 Qf6 12. Be2 b6 13. O-O Bb7 14. Bh4
Qh6 15. Bg5 Qg6 16. Bd3 f5 17. Rae1 Nf6 18. e4 fxe4 19. Bxe4 *
Position (FEN): r4rk1/pb4pp/1pn1pnq1/6B1/4B3/5N2/PP1Q1PPP/4RRK1 b - - 0 19
Black to move.
Themes:  Middlegame  
Puzzle rating: 1223
Best move: Nxe4