Allgaier, Cook Variation

In the Allgaier Gambit, 5...h6 forces 6. Nxf7 Kxf7. The Cook Variation is White's follow-up 7. d4 d5 8. Bxf4 dxe4 9. Bc4+ Kg7 10. Be5+, bringing both bishops into play with tempo while Black's king stands uncastled on g7 facing the open f-file. White remains the equivalent of a piece down and must keep the initiative going. The gambit as a whole is considered more promising in fast games, where tactical errors are common, than against a prepared defender.