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Grigoriants, S. (2553) - Gurevich, M. (2630) [A87]
6th EICC, Warsaw (5) 2005

Notes by Boris Schipkov

1. Nf3 d6 2. d4 g6 3. c4 f5 4. Nc3 Nf6 5. g3 Bg7 6. Bg2 O-O 7. O-O








   
7...Qe8
The lines 7...Qe8, 7...c6 and 7...Nc6 have been considered in my CD "The Dutch Defence, Leningrad System A86-A89" (ChessBase).
8. d5 Na6 9. Be3 h6 10. Qd2 Kh7








   
11. h3
A novelty. 11.Rae1 and 11.Rab1 are also possible.
11...c6 12. Rab1 Bd7 13. b4 Nc7 14. Nd4 e5
Or 14...cxd5.








   
15. dxe6
This position is double-edged, but a genuine expert in the Dutch Defense Mikhail Gurevich outplays his rival in ten moves. If 15. dxc6 then 15...bxc6 16. Nb3 d5 17. Bc5 Rf7 18. Bd6 dxc4 19. Na5 Nfd5 (19...Ncd5 20. Nxc4 e4 21. Bc5 Qe6) 20. Nxd5 Nxd5 21. Nxc4 Nb6 22. Rfc1 Qe6 23. Na5 e4 and Black has a small edge.
15...Nxe6 16. b5
Interesting is 16. Nxe6!? Bxe6 17. b5 Ne4 18. Nxe4 fxe4 19. Bd4 Rf7 20. Bxg7 Rxg7 with equality.
16...Nc5! 17. bxc6 bxc6 18. Bf4 Nfe4!








   
19. Nxe4 Nxe4 20. Bxe4 fxe4 21. Rb7 Rf7 22. h4?
Better is 22. Bxd6!? Bxh3 23. Rfb1 Rd7 (23...Bc8 24. Rxf7 Qxf7 25. Nxc6 Qxc4 26. Rc1) 24. c5 Qf7 25. Rxd7 Qxd7 26. e3.








   
22...Be6!
Stronger than 22...d5 23. cxd5 cxd5 24. Rfb1 Bc8 25. Rxf7 Qxf7.
23. Nxe6
After 23. Rxf7 Bxf7 24. Bxd6 Bxc4 25. Qc2 Bd5 26. Bc5 Qd7 Black is better.
23...Rxb7 24. Nxg7
Or 24. Qxd6!? Rc8.
24...Rxg7 25. Qxd6
If 25. Bxh6 then 25...Rd7.
25...Rd8 26. Qc5 Qe6?
Correct is 26... Rf7 with a clear advantage to Black.








   
27. Bc1?
Probably mutual time trouble. White gets counterplay and compensation for the exchange with 27. Bxh6! Rgd7 28. Bf4.
27...Rdd7
Now Black has an edge.
28. Kg2 e3 29. Bxe3 Rgf7 30. Kg1 Rf5 31. Qb4 Qe4 32. Rb1 g5 33. hxg5 hxg5 34. Qb8








   
34...g4! 35. Rb7 Rff7 36. Rxd7 Rxd7 37. Qb3 c5
37...Kg6!? 38. c5 Kf5 is interesting.
38. Bc1
Or 38. Bxc5 Rb7 39. f3 Rxb3 40. fxe4 Rxg3+ 41. Kf2 Rc3 42. Bxa7 Rxc4.








   
38...Qxe2
Winning.
39. Be3 Rd1+ 40. Kh2 Qf3 41. Qc2+ Kg7
White resigned. 0-1










Move
   

Grigoriants, Sergey (2553) - Gurevich, Mikhail (2630) [A87]
EU-ch 6th/Warsaw (5) 2005

1. Nf3 d6 2. d4 g6 3. c4 f5 4. Nc3 Nf6 5. g3 Bg7 6. Bg2 O-O 7. O-O Qe8 8. d5 Na6 9. Be3 h6 10. Qd2 Kh7 11. h3 c6 12. Rab1 Bd7 13. b4 Nc7 14. Nd4 e5 15. dxe6 Nxe6 16. b5 Nc5 17. bxc6 bxc6 18. Bf4 Nfe4 19. Nxe4 Nxe4 20. Bxe4 fxe4 21. Rb7 Rf7 22. h4 Be6 23. Nxe6 Rxb7 24. Nxg7 Rxg7 25. Qxd6 Rd8 26. Qc5 Qe6 27. Bc1 Rdd7 28. Kg2 e3 29. Bxe3 Rgf7 30. Kg1 Rf5 31. Qb4 Qe4 32. Rb1 g5 33. hxg5 hxg5 34. Qb8 g4 35. Rb7 Rff7 36. Rxd7 Rxd7 37. Qb3 c5 38. Bc1 Qxe2 39. Be3 Rd1+ 40. Kh2 Qf3 41. Qc2+ Kg7 0-1


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