Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. e5/3...Bf5/4. g4

=Caro-Kann Defence - Bayonet Attack= This dubious fourth move allows Black an equal or better position. Play may continue (1. e4 c6 2. d4 d5 3. e5 Bf5 4. g4) Be4! 5. f3 Bg6 6. h4 h5 7. Nh3 e6! 8. Nf4 hxg4 9. Nxg6 fxg6 10. fxg4 Rxh4.