MNb wrote on 08/11/07 at 04:22:55:

1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 e6 5.Bc4 a6 6.Nf3 Ne7 7.Bg5 b5 8.Bb3 h6 9.Be3 Bb7 10.O-O Ng6 11.Nd4 Be7 and the obvious plan is 12.Qh5 (winning a tempo and compared to the Serper game even two) b4 13.Nce2 Bxe4 14.Ng3 Bb7 15.f4 Nc6 16.Rad1 and 17.f5. I am a little more worried about 11...b4 at once. White has compensation after 12.Nce2 Bxe4 13.Ng3 Bb7 14.f4, but is it enough for two pawns?

At the moment it is clear as mud to me.

Yes, of course , i 've forgotten Qh5 a key move in the ussr. Now i became more clear and i have a good feeling!

[Event "versionIV"]

[Site "?"]

[Date "2007.08.12"]

[Round "?"]

[White "Analyse"]

[Black "Morra ussr "]

[Result "*"]

[ECO "B21"]

[Annotator "Dji"]

[PlyCount "35"]

[EventDate "2007.08.12"]

[Source "ChessBase"]

[SourceDate "1996.11.15"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 e6 5. Bc4 a6 6. Nf3 Ne7 7. Bg5 b5 8. Bb3

h6 9. Be3 Bb7 10. O-O Ng6 11. Nd4 Be7 (11... Nc6 12. Nxc6 Bxc6 13. f4 Be7 14.

f5 Ne5 15. Qh5 Bd6 16. fxe6 dxe6 17. Bxe6 O-O 18. Bb3 {

with a dangerous initiative (idea Bxh6)}) (11... b4 12. Nd5 {

a 'standard' against an early b4} 12... exd5 13. exd5 Bc5 (13... Qf6 14. Nf3 {

with good compensation}) (13... Bd6 14. Nf5 {idem}) 14. Nc6 Qb6 (14... dxc6 15.

Bxc5 cxd5 16. Re1+ Kd7 17. Rc1) (14... Nxc6 15. dxc6 Bxc6 16. Bxc5 Qg5 17. Re1+

Kd8 18. Bb6+ Kc8 19. g3 Kb7 20. Bd4 Rhe8 21. Rc1 Nf4 22. Be3 Nh3+ 23. Kf1 Qf5

24. Qd4 Rxe3 (24... Qe4 25. Qb6+ Kc8 26. Rxc6+ dxc6 27. Bxf7 Rd8 28. Qxd8+ Kxd8

29. Bb6+ Ke7 30. Rxe4+ Kxf7 31. Rxb4 $16) 25. Qxe3 Ng5 26. Red1 Qh3+ 27. Ke1

Nf3+ 28. Ke2 Nxh2 29. Rd4 a5 30. Bd5 $18) 15. Bxc5 Qxc5 16. Re1+ Kf8 17. Rc1

Qb6 18. Qf3 Kg8 19. Re7 +-) 12. f4 {Probably more precise than the immediate Qh5} 12... O-O (12... b4 {again risky}f5 ( the point of the move order! Now this move is dangerous) bxc3 (13... Ne5 14. fxe6 dxe6 15. Qh5 O-O 16. Nxe6) 14. fxg6 f6 15. bxc3

Bxe4 (15... O-O 16. Qh5) 16. Bxe6) 13. Qh5 b4 14. f5 Ne5 (14... Nh4 15. fxe6

dxe6 16. Rad1 !? (16. Bxe6 !? fxe6 (16... bxc3 17. Bxf7+ Kh7 18. Ne6 cxb2 19.

Rab1 +-) 17. Nxe6 Qd3 18. Bxh6 with attack)) (14... bxc3 15. fxg6 fxg6 (15... Qe8 16.

Rxf7 +-) 16. Qxg6 cxb2 17. Bxe6+ dxe6 18. Nxe6 bxa1=Q 19. Rxa1 Rf7 20. Nxd8

Bxd8 21. Rf1 Re7 22. Bc5 Bxe4 23. Rf8+ Kxf8 24. Bxe7+ Bxe7 25. Qxe4 Nc6 26.

Qxc6 +-) 15. fxe6 dxe6 16. Nxe6 fxe6 17. Rxf8+ Qxf8 18. Qxe5 +/- *