Rojas - McVay

Deep Freeze Quads January 28, 2008 Round 2

Fritz 11

 

Sicilian: 2...Nc6 3 Bb5, lines without ...g6

 

1. e4             c5

2. Nf3           Nc6

3. Bb5          e6

4. Nc3          Nge7

5. 0-0            a6

6. Bxc6         Nxc6

7. d4             cxd4

8. Nxd4        Qc7 last book move

9. Be3          Bb4 Black is behind in development. [9...Be7 10.Qe2+/= ]

10. Nce2      [10.Nxc6 Bxc3 11.bxc3 Qxc6+/= ]

10.                ..Ne5   [10...0-0 11.Qd3= ]

11. Ng3        White has an active position [11.Nf4 0-0+/= ]

11.                ..0-0

12. Kh1        b5

13. f4            White threatens to win material: f4xe5 [13.a4 Bb7= ]

13.                ..Nc4=/+ Black threatens to win material: Nc4xe3

14. Bc1         Bb7

15. f5            White wins space [15.c3 Ba5=/+ ]

15.                ..e5-/+

16. f6            exd4

17.fxg7         Rfc8?? gives the opponent counterplay [>=17...Rfe8 would have given Black the upper hand 18.Qh5 Ne5-+ ]

18. Qh5        White has a mate threat

18.                ..Nd6 The isolani on e4 becomes a target. Black threatens to win material: Nd6xe4

19. Bf4         [19.a3!? looks like a viable alternative 19...Qxc2 20.axb4 Bxe4 21.Nxe4 Qxe4 22.Bd2= ]

19.                ..Qc5=/+

20. Qh6??    [>=20.Qf3 would save the game 20...f5 21.a3 Nxe4 22.axb4 Nxg3+ 23.Bxg3 Bxf3 24.bxc5=/+ ]

20.                ..Nxe4-+

21. Nxe4      Bxe4

22. a3           [22.Rf2 doesn't get the job done 22...Qd5 (22...Bxc2?!clearly worse 23.a3-+ ) 23.a3 Ba5-+ ]

22.                ..Qxc2

23. Qh3        Be7

24. Rae1      Qc6

25. Rf2         Qg6

26. Bg3        [26.Be5 doesn't improve anything

26.                ...d3

27. Bc3         f5

28. Rxe4      fxe4

29. Qxd7      Bd6-+ ] ..Bc5 [26…Qe6 makes it even easier for Black 27.Kg1 Qxh3 28.gxh3-+ ] 27. Rf4[27.Rff1 doesn’t solve anything 27…d5 28.Rc1 f5-+ ] 27. ..f5 28.Rexe4 [28.Ref1 doesn’t get the cat off the tree 28…d3 (28…Kxg7?! is not possible 29.Rxe4 d6 30.Ref4=/+ (30.Rxf5? doesn’t give the expected results 30…Rf8 31.Ref4 Rxf5 32.Qxf5 Qxf5 33.Rxf5 Kg6-+ ) ; 28…Qxg7 easily refuted 29.Rxf5 Rf8 30.Rxf8+ Rxf8 31.Rxf8+ Bxf8 32.Qh4-+ ) 29.Be1 Bd6 30.Rxe4 fxe4-+ ] 28. ..fxe4 29.Qxd7 [29.Rf1 can’t change the outcome of the game

29.                ..Qe6 30.Qh5 d3-+ ] 28. ..Bd6 [>=29...Rd8 Black relaxes 30.Qc7 Bd6 31.Qc2 Bxf4 32.Bxf4-+]

30. Rg4        [30.Rf1 what else? 30...Rd8 31.Qb7 Bxg3 32.hxg3-+ ]

30.                ..Rc1+ [30...Rc1+ 31.Be1 Rxe1# ] *