Carl C. Boor v Kenneth Chieu

Foxwoods March .2008

Fritz 11

 

Closed Sicilian: 3 g3, lines without early Be3

 

1. e4                c5

2. Nc3             Nc6

3. f4                 g6

4. Nf3              Bg7

5. g3                d6

6. Bg2             e5

7. d3                Nge7

8. 0–0              0–0

9. Be3             Nd4

10. Qd2           Bg4

11. Bxd4        [11.Rab1 Rc8 12.b3 Qd7 13.Nd5 Nxd5 14.exd5 Nf5 15.fxe5 Nxe3 16.Qxe3 Rce8 17.b4 b6 18.c4 Bxf3 19.Qxf3 Bxe5 20.bxc5 bxc5 21.Qd1 h5 22.Bf3 Kg7 23.Kg2 Rh8 24.h3 Re7 25.Qd2 Rhe8 Ciruk,J (2260)-Jakubiec,A (2460)/Krynica 1997/CBM 061 ext/0–1 (41); 11.Rf2 Qd7 12.Raf1 exf4 13.Bxf4 Nxf3+ 14.Bxf3 Bxf3 15.Rxf3 b5 16.Bh6 b4 17.Bxg7 Kxg7 18.Nd1 f6 19.Ne3 Qe6 20.a3 a5 21.Rf4 Rf7 22.Qg2 Raf8 23.g4 Kh8 24.Kh1 Nc6 25.Nd5 Ne7 Short,N (2677)-Nataf,I (2526)/New Delhi/Teheran 2000/CBM 081/½–½ (33); 11.Rae1 Qd7 12.Nd1 Qa4 13.c3 Nxf3+ 14.Bxf3 Bxf3 15.b3 Qc6 16.Rxf3 f5 17.Ref1 d5 18.exf5 e4 19.dxe4 dxe4 20.R3f2 Rad8 21.Qe2 Nxf5 22.Qc4+ Rd5 23.Bc1 Nd6 24.Qe2 Rd3 25.g4 Nb5 Ohunov,B-Tillyaev,U/Tashkent 2007/CBM 119 ext/1–0 (45); 11.Ne1 Qd7 12.Nd1 Bh3 13.c3 Bxg2 14.Qxg2 Ndc6 15.f5 gxf5 16.Qh3 Rae8 17.exf5 Nd5 18.Qg2 Nce7 19.Bd2 f6 20.Nc2 Nb6 21.g4 d5 22.Nf2 c4 23.Be3 cxd3 24.Nxd3 Nc4 25.Nc5 Qb5 Jakymov,V (2352)-Anapolsky,S (2425)/Simferopol 2003/CBM 097 ext/1–0 (76); 11.fxe5!? dxe5 12.Bg5=]

11.                   ...cxd4³ Black has the pair of bishops

12. Ne2           f5 [12...Rc8!?µ]

13. h3              Bxf3

14. Bxf3          [Inferior is 14.Rxf3 Qb6 15.fxe5 Bxe5µ]

14.                    ...fxe4

15. dxe4          Opposite colored bishops appeared

15.                    ...Qb6

16. Kg2           Bh6

17. Bg4           [17.c3 dxc3 18.bxc3 Rad8=]

17.                    ...Kg7 [Instead of 17...Qxb2 18.Rfb1 Qa3 19.Rxb7±]

18. Qd3           Qc6 [18...Rad8 19.h4=]

19. Kh2           [19.Rad1 Rad8²]

19.                    ...Ng8

20. Rac1         Nf6 Black threatens to win material: Nf6xe4

21. Bf3            [¹21.c3 Qxe4 22.Qxe4 Nxe4 23.cxd4=]

21.                    ...g5?? releasing the pressure on the opponent [¹21...Nd7!?³ and Black hangs on]

22. c3              [22.Nxd4!? exd4 23.e5±]

22.                    ...gxf4± [22...exf4? 23.e5 Nd5 24.Qxd4+-]

23. gxf4           Qb6 [23...Bxf4+?? would be gruesome error 24.Nxf4 Qd7 25.Ne2 dxc3 26.Nxc3+-]

24. cxd4          exf4? [¹24...Bxf4+!? would allow Black to play on 25.Nxf4 exf4±]

25. e5+-           Ng8

26. Rg1+         [26.e6 Ne7 27.Nc3 Kh8+-]

26.                    ...Kh8

27. Rg4           [¹27.exd6!? Qxd6 28.Nc3± (28.Bxb7 is clearly inferior 28...f3+ 29.Ng3

                        Rab8–+)]

27.                    ...dxe5²

28. Rcg1??     White has let it slip away [¹28.dxe5 and White is still in the game 28...Rae8 29.Qc3=]

28.                    ...Nf6

29. Rh4           e4

30. Bxe4         Nxe4

31. Qxe4         Rae8

32. Qc2?         [32.Qf3 Re3 33.Qf2 Qxb2–+]

32.                    ...f3 [¹32...Qd6!? keeps an even firmer grip 33.Rxh6 Qxh6 34.Nc3–+]

33. Ng3           Qd6

34. Re4           [34.Qc5 Qxc5 35.dxc5–+]

34.                    ...f2

35. Rf1            [35.Rd1 cannot change what is in store for ? 35...Bf4 36.Kg2 Qg6–+]

35.                   ...Bf4

36. Qxf2          [36.Rxe8 the last chance for counterplay 36...Bxg3+ 37.Kg2 Rxe8 38.Rxf2–+]

36.                   ...Rxe4

37. Kh1           Re3

38. Ne4           Rxh3+ [38...Rxh3+ 39.Kg2 Rg8+ 40.Qg3 Rhxg3+ 41.Kf2 Qxd4+

                        42.Ke2 Re3+  43.Kf2 Rxe4+ 44.Kf3 Rg3#]  0–1