Boris Gulko v Kola Adeyemi

Simultaneous Games Exhibition

April 14, 2008

 

Fritz 11

 

Queen's Gambit Declined: 4 Bg5 Be7: Early Deviations

 

 

1. Nf3              Nf6

2. c4                e6

3. Nc3             d5

4. d4                Be7

5. Bg5             c6

6. e3                Nbd7

7. Qc2             h6

8. Bf4              Qa5 [8...a6 9.cxd5 cxd5 10.Bd3 b5 11.0–0 Bb7 12.Rfc1 0–0

                        13.a4 b4 14.Ne2 Rc8 15.Qd1 Qb6 16.a5 Qa7 17.Rxc8 Rxc8

                        18.h3 Ne4 19.Nc1 Qa8 20.Na2 g5 21.Bh2 Rc6 22.Bc2 Qd8

                        23.Nc1 Gurevich,M (2688)-Bischoff,K (2533)/Essen 2001/

                        CBM 083/½–½ (53); 8...Nh5 9.Be5 Nhf6 10.cxd5 Nxe5 11.Nxe5 cxd5

                        12.Bd3 Bd7 13.0–0 0–0 14.f4 Rc8 15.f5 Bd6 16.Qf2 Bxe5 17.dxe5 Ng4

                        18.Qg3 Qb6 19.Nd1 h5 20.h3 exf5 21.Bxf5 Bxf5 22.Rxf5 g6

                        23.Rf1 Pham Duc Thang (2229)-Petprasert,V/Thailand 2005/

                        CBM 106 ext/1–0 (45)]

9. Bd3             dxc4 [9...c5 10.0–0 dxc4 11.Bxc4 a6 12.d5 exd5 13.Bxd5 0–0 14.e4 Nb6

                        15.Rfe1 Re8 16.Qb3 Nbxd5 17.exd5 b5 18.d6 Be6 19.Rxe6 c4

                        20.Qc2 fxe6 21.dxe7 Rxe7 22.Qg6 b4 23.Ne2 Qf5 24.Qxf5

                        Fomina,T-Kljugas/Riga 1968/MCD/0–1 (35)]

10. Bxc4          b5 Black threatens to win material: b5xc4

11. Bb3           [11.Bd3 Nd5=]

11.                   ..Bb7=

12. 0–0            c5

13. dxc5          Nxc5

14. Nd4           [14.Qe2 a6 (‹14...Nxb3 15.axb3 Qb6 16.Qxb5+ Qxb5 17.Nxb5±)

                        15.Ne5 Nxb3 16.axb3 Qb6=]

14.                   ..a6³

15. a3              Nxb3

16. Nxb3         Black has the pair of bishops

16.                   ..Qb6

17. e4              White has an active position

17.                   ..Rc8

18. Be3           White threatens to win material: Be3xb6

18.                   ..Qc7

19. f3               Covers g4

19.                   ..Bd6

20. g3              Secures f4

20.                   ..0–0 Black castles and improves king safety

21. Qf2            Qe7

22. Rfd1          Rfd8

23. Bb6           White threatens to win material: Bb6xd8

23.                   ..Bc7 White has an active position [23...Rd7 24.Na5=]

24. Bc5            White threatens to win material: Bc5xe7 [24.Bxc7 Qxc7

                        25.Qa7 Rxd1+ 26.Rxd1 Ra8²]

24.                   ..Qe8

25. Kg2           Nd7 Black has a cramped position

26. Bd4           Be5 [26...f5!?³]

27. Bxe5         Nxe5

28. Nc5           White threatens to win material: Nc5xb7

28.                   ..Qc6

29. Rxd8+       Rxd8

30. Rc1           Nd3

31. Nxd3         Rxd3

32. Qe2           [32.Rd1 Rxd1 33.Nxd1 Qd6=]

32.                   ..Qc4

33. Rd1??       [¹33.Rc2 was a good chance to save the game 33...f5 34.Qf2³]

33.                   ..Rxc3–+

34. Qxc4         Rxc4 [34...bxc4?? 35.bxc3 Bc6 36.Rb1+-]

35. Rd8+         Kh7

36. Rd7           Rc2+

37. Kh3           [37.Kg1 hardly improves anything 37...Bc8 38.Rxf7 e5–+]

37.                   ..Bc8

38. Rxf7          e5+ [38...Rxb2?! is the less attractive alternative 39.Rc7 Rb3

                        40.Rxc8 Rxf3 41.Rc6 Rxa3 42.Rb6–+]

39. g4              Be6 [39...Rxb2 and Black can already relax 40.Kg3 Rb3 41.Rc7–+]

40. Ra7           Rc6 [¹40...Bc4!? and Black can already relax 41.g5 hxg5 42.Kg4 Rxb2

                        43.Kf5 Rxh2 44.Rxa6–+]

41. Kg3           Kg6

42. h4              Kf6

43. g5+            hxg5

44. hxg5+        Kxg5

45. Rxg7+       Kf6

46. Ra7           Bc8

47. f4               [47.Rh7 Rc2–+]

47.                   .. exf4+ [47...Rc2 keeps an even firmer grip 48.Ra8–+]

48. Kxf4          Ke6

49. Ke3           [49.Rg7 Rc2 50.Rg8 Kd7–+]

49.                   ..Ke5   [49...Rc2 might be the shorter path 50.Kd4–+]

50. Kd3           [50.Re7+ Kd6 51.Rh7 Rc2 52.Rh6+ Be6–+]

50.                   ..Be6   [50...Rc4 seems even better 51.Ra8–+]

51. b4?            [51.Ke3–+]

51.                   ..Rd6+ [¹51...Bc4+!? makes it even easier for Black 52.Ke3 Rh6 53.Kf2–+]

52. Ke3

 

Draw Agreed Due to Time Restrictions