Kenneth Chieu v Eve Litvak

Ernest Marx Memorial Swiss

May 5, 2008

First Round

 

Fritz 11

 

Closed Catalan: Main Line (5 Nf3 0–0 6 0–0 Nbd7)

 

 

1. Nf3              d5

2. d4                Nf6

3. c4                e6

4. g3                Nbd7

5. Bg2             Be7

6. 0–0              0–0

7. b3                c5 last book move

8. Bb2             b6

9. Qc2             Bb7

10. Rd1           dxc4

11. bxc4          cxd4

12. Bxd4         Qc7

13. Nbd2         Bc5 The bishop is not easily driven from c5

14. Bb2           Ng4

15. e3              Covers d4

15.                   ..Rfd8

16. h3              White threatens to win material: h3xg4

16.                   ..Ngf6

17. g4              h6 Consolidates g5

18. g5              hxg5

19. Nxg5         Bxg2

20. Kxg2         White king safety dropped. Black king safety dropped

20.                   ..Be7

21. Ndf3          b5 Black threatens to win material: b5xc4

22. Rd4           Rdc8

23. Rh4           bxc4?? Black lets it slip away.  [23...Qb7 24.Kg1 Rxc4

                        25.Rxc4 bxc4 26.Rd1³]

24. Bc3?? l      Letting the wind out of his own sails [¹24.Nxf7 and

                        White gets the upper hand 24...Ne4 25.Nh6+

                        (25.Qxe4 Bxh4 26.Qxh4 Kxf7 27.Ng5+ Ke7 28.Ba3+ Kf6+-)

                        25...gxh6 26.Rg4+ (26.Qxe4?! is much worse 26...Bxh4 27.Qxe6+

                        Kf8 28.Qxh6+ Ke8+-; ‹26.Rxe4 c3 27.Rg4+ Kf8+-) 26...Kf8

                        27.Qxe4+- (27.Rxe4?! c3 28.Rf4+ Nf6+-) ]

24.                   ..Qc6=

25. Rh7??       not a good decision, because now the opponent is right back in

                        the game [¹25.Rc1 the rescuing straw 25...e5 26.Kg1=]

25.                   ..Nf8–+

26. Rh4           Nd5

27. Rg4           [27.Kg1 Nxc3 28.Qxc3–+]

27.                   ..f5

28. Rg3           Nxc3

29. Qxc3         Bd6 [¹29...Bf6 secures victory 30.Qe1 Bxa1 31.Qxa1 c3–+]

30. Rg1           [30.Rd1 Bxg3 31.Kxg3 Qa6–+]

30.                   ..Bxg3

31. Kxg3         Qd6+

32. Kg2           Qd3

33. Qe5           Qd5

34. Qc3           Qd3 Twofold repetition

35. Qa5??       allows the opponent back into the game [¹35.Qe5= was necessary]

35.                   ..c3–+

36. Qa3           Qd7

37. Ne5           [37.Rc1 doesn't get the bull off the ice 37...c2 38.Nd4 Rc4–+]

37.                   ..Qb7+

38. Kh2           [38.Nef3 doesn't get the cat off the tree 38...Rab8–+]

38.                   ..c2

39. Ngf7          [39.Nd3–+ is no salvation]

39.                   ..Qb6 [¹39...Qc7 and Black has triumphed 40.Qa4 Ng6 41.Rxg6 c1Q–+]

40. Qe7+-        Rc7 [40...Qc7 otherwise it's curtains at once 41.Qf6 Qxe5+ 42.Nxe5 Rc7+-]

41. Nh6+         [41.Qf6 Ng6 42.Rxg6 Kf8 43.Rxg7 c1Q 44.Nd6+ Rf7 45.Qxf7#]

41.                   ..Kh7 [41...Kh8 desperation 42.Qh4 gxh6 43.Qf6+ Kh7+-]

42. Rxg7+       Kxh6

43. Qg5#

 

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