Author: Robert Hyatt
Date: 07:02:38 05/15/00
Go up one level in this thread
On May 15, 2000 at 05:53:42, Vincent Lejeune wrote:
>On May 14, 2000 at 22:53:51, Robert Hyatt wrote:
>
>>On May 14, 2000 at 09:44:13, Enrique Irazoqui wrote:
>>
>>>[Event "Dutch championship"]
>>>[Site "?"]
>>>[Date "2000.??.??"]
>>>[Round "?"]
>>>[White "Van Wely"]
>>>[Black "Fritz SSS"]
>>>[Result "1-0"]
>>>[ECO "A25"]
>>>[WhiteElo "2646"]
>>>[PlyCount "49"]
>>>
>>>1. c4 e5 2. g3 Nf6 3. Bg2 Nc6 4. Nc3 Bb4 5. a3 Bxc3 6. bxc3 O-O 7. e4 a6 8. a4
>>>d6 9. d3 Bg4 10. f3 Bd7 11. Ne2 Qc8 12. h3 b6 13. f4 Be6 14. f5 Bd7 15. g4 Ne8
>>>16. Ng3 Qd8 17. g5 Bc8 18. h4 f6 19. Qh5 Na5 20. Ra3 Qe7 21. Nf1 Nc6 22. Ne3
>>>Qd7 23. g6 h6 24. Ng4 Ra7 25. Rg1 1-0
>>>
>>>Enrique
>>
>>I thought I would run this thru crafty, since it is not half-bad at avoiding
>>such strangleholds most of the time. Here is the output. Comments follow the
>>output...
>>
>>[Event "Dutch championship"]
>>[Site "?"]
>>[Date "2000.??.??"]
>>[Round "?"]
>>[White "Van Wely"]
>>[WhiteElo "2646"]
>>[Black "Fritz SSS"]
>>[BlackElo ""]
>>[Result "1-0"]
>>[Annotator "Crafty v17.11"]
>>{annotating only black moves.}
>>{using a scoring margin of -1.00 pawns.}
>>{search time limit is 3:00}
>>
>> 1. c4 e5
>> 2. g3 Nf6
>> 3. Bg2 Nc6
>> 4. Nc3 Bb4
>> 5. a3 Bxc3
>> 6. bxc3 O-O
>> 7. e4 a6
>> ({14:-0.21} 7. ... a6 8. d3 d6 9. Rb1 Rb8 10. Nf3 Bg4 11. O-O
>>Qd7 12. Bg5 Bh3 13. Bxh3 Qxh3 14. Bxf6 gxf6 15. Qe2 $10)
>> ({14:-0.02} 7. ... d6 8. d3 Bd7 9. Nf3 Qc8 10. O-O h6 11. Bh1
>>Bh3 12. Re1 Qg4 13. Rb1 Rab8 14. Be3 $10)
>> 8. a4 d6
>> ({14:-0.01} 8. ... d6 9. d3 Nd7 10. Be3 Nc5 11. Rb1 b6 12. Ne2
>>Qe8 13. O-O f5 14. exf5 Bxf5 $10)
>> 9. d3 Bg4
>> ({13:-0.23} 9. ... Bg4 10. f3 Bd7 11. Nh3 Ne8 12. O-O Qc8 13.
>>Nf2 f5 14. Bg5 fxe4 15. fxe4 h6 16. Be3 $10)
>> ({13:-0.05} 9. ... Nd7 10. Nf3 f5 11. exf5 Nc5 12. Nh4 Qf6 13.
>>Be3 Bxf5 14. Nxf5 Qxf5 15. Bxc6 bxc6 16. Bxc5 dxc5 17. O-O $10)
>> 10. f3 Bd7
>> ({14:-0.18} 10. ... Bd7 11. Nh3 Ne8 12. O-O f5 13. Rb1 fxe4 14.
>>Bg5 Qc8 15. fxe4 Nf6 16. Nf2 h6 17. Be3 $10)
>> 11. Ne2 Qc8
>> ({13:-0.18} 11. ... Qc8 12. g4 Be6 13. O-O Nd7 14. Be3 f6 15.
>>Qc2 Re8 16. g5 f5 17. a5 b6 $10)
>> 12. h3 b6
>> ({12:-0.26} 12. ... b6 13. f4 exf4 14. Nxf4 Ne8 15. Be3 f6 16.
>>Qh5 Ne5 17. d4 g6 18. Qe2 Nc6 $10)
>> ({12:-0.22} 12. ... Ne7 13. h4 Nc6 14. Bg5 Ne8 15. a5 b6 16.
>>axb6 cxb6 17. Be3 Qb7 18. O-O Qc7 $10)
>> 13. f4 Be6
>> ({13:-0.47} 13. ... Be6 14. f5 Bd7 15. O-O h6 16. Be3 Qd8 17.
>>Qc2 Qe7 18. Rab1 Rad8 19. Rfe1 Rfe8 $14)
>> ({13:-0.34} 13. ... h6 14. f5 Nh7 15. O-O Ng5 16. Be3 Qd8 17.
>>Nc1 Qf6 18. Qg4 Rfe8 19. Nb3 Rad8 $14)
>> 14. f5 Bd7
>> ({15:-0.46} 14. ... Bd7 15. O-O h6 16. Be3 Qe8 17. Nc1 Rd8 18.
>>Nb3 Ne7 19. Nd2 Nc6 20. Qc2 Qe7 21. Nb3 Nh5 22. Qf2 Nf6 23. a5 $14)
>> 15. g4 Ne8
>> ({14:-0.46} 15. ... Ne8 16. h4 Qd8 17. g5 b5 18. axb5 axb5 19.
>>Rxa8 Qxa8 20. cxb5 Nd8 21. c4 Bxf5 22. O-O Bg4 23. Be3 $14)
>> ({14:-0.29} 15. ... Na5 16. g5 Ne8 17. Ng3 Kh8 18. Nh5 Rg8 19.
>>Be3 Nb7 20. Ng3 Nc5 21. h4 Nxa4 22. Rxa4 Bxa4 23. Qxa4 $10)
>> 16. Ng3 Qd8
>> ({14:-0.35} 16. ... Qd8 17. g5 Rb8 18. h4 b5 19. cxb5 axb5 20.
>>axb5 Rxb5 21. h5 Na5 22. h6 Nb3 23. hxg7 Nxg7 24. Ra7 Nxc1 25. Qxc1 $14)
>> ({14:-0.19} 16. ... Nd8 17. Be3 Nb7 18. g5 b5 19. axb5 axb5 20.
>>Rxa8 Qxa8 21. cxb5 Bxb5 22. O-O Qd8 23. g6 hxg6 24. fxg6 fxg6 25. Rxf8+ Kxf8
>>$10)
>> 17. g5 Bc8
>> ({13:-0.87} 17. ... Bc8 18. h4 f6 19. g6 h6 20. h5 Bb7 21. Bf3
>>Qe7 22. Be3 Rd8 23. Bg4 Rd7 $16)
>> ({13:-0.33} 17. ... Na5 18. h4 Nb7 19. h5 Nc5 20. Be3 b5 21. g6
>>bxc4 22. dxc4 Nxa4 23. Rxa4 Bxa4 24. gxh7+ Kxh7 25. Qxa4 $14)
>> 18. h4 f6
>> ({14:-0.87} 18. ... f6 19. g6 h6 20. Be3 Bb7 21. h5 Na5 22. Bf3
>>Qd7 23. Bg4 Nc6 24. Ne2 Rd8 25. Ng3 $16)
>> 19. Qh5 Na5
>> ({14:-0.81} 19. ... Na5 20. g6 h6 21. Qd1 Bd7 22. h5 Qe7 23.
>>Bf3 Nb7 24. Be3 Nc5 25. Be2 Rd8 26. Bg4 $16)
>> ({14:-0.75} 19. ... Qd7 20. g6 h6 21. Qe2 Na5 22. Qa2 Qc6 23.
>>c5+ Kh8 24. Qf7 Rg8 25. Bxh6 Nb7 26. Be3 Nxc5 27. Qc4 $16)
>> 20. Ra3 Qe7
>> ({13:-0.57} 20. ... Qe7 21. g6 h6 22. Qd1 Bd7 23. h5 Rd8 24.
>>Ra1 Nb7 25. Be3 Nc5 $14)
>> 21. Nf1 Nc6
>> ({13:-0.52} 21. ... Nc6 22. g6 h6 23. Ne3 Qd7 24. Qd1 Bb7 25.
>>h5 Rd8 26. Rb3 Na5 27. Rb4 Nc6 $14)
>> ({13:-0.39} 21. ... Bd7 22. g6 h6 23. Qd1 c6 24. Ng3 Nc7 25.
>>Qc2 Rfb8 26. h5 Nb7 27. Qb3 Nc5 28. Qd1 $14)
>> 22. Ne3 Qd7
>> ({14:-0.60} 22. ... Qd7 23. g6 h6 24. Ra1 Na5 25. Qd1 b5 26.
>>cxb5 axb5 27. axb5 Qxb5 28. Nd5 Qd7 29. h5 c6 30. Nb6 $14)
>> 23. g6 h6
>> ({15:-0.60} 23. ... h6 24. Qd1 Ne7 25. h5 Qc6 26. Nd5 Nxd5 27.
>>cxd5 Qc5 28. Qd2 Bd7 29. Ra1 Qa5 30. c4 Qc5 31. Bb2 $14)
>> 24. Ng4 Ra7
>> ({13:-1.79} 24. ... Ra7 25. Bf3 Nd8 26. Bxh6 gxh6 27. Rg1 Kg7
>>28. Qxh6+ Kg8 29. g7 Nxg7 30. Nxf6+ Rxf6 31. Qxf6 Nc6 32. Kd1 Qf7 $18)
>> ({13:-0.31} 24. ... Nd8 25. Be3 Nb7 26. O-O Nc5 27. Bxc5 dxc5
>>28. Rd1 Bb7 29. a5 Rb8 30. Bf3 bxa5 31. Rxa5 Qd6 $14)
>> 25. Rg1
>>
>>
>>comments.
>>
>>1. black's move 24 was a lemon. After Rg1 crafty has black at -5 and
>>dropping, probably why Frans resigned. However, Ra7 was essentially a
>>null-move of sorts... I would hardly say that black can win if he doesn't
>>play Ra7. Black may be already lost. But that certainly made it easier.
>>White has a strong attack with the pawn-roller, but things are blocked
>>up requiring white to sac on h6 to make anything happen.
>>
>
>Sorry but you're wrong, the crafty move (24..Nd8) doesn't defend anything at
>all, the plan for white is the same : put the rook on g1 and open the G file by
>Bh3(or f3) e.g. : 24...Nd8 25.Rg1 Bb7 26.Bf3 and here you'll see the black's
>eval droping considerably (-6.xx)
>
As I said, it may _still_ drop. But it doesn't drop (for me) nearly as quickly
as Ra7 does. Of course, as I also mentioned, the solution here is to not reach
this position. Be6 allowing f5 was asking for trouble, and by asking for it,
Fritz certainly got plenty of it.
>
>>2. black should have taken steps to prevent this pawn structure (letting
>>white play f5 was gross and asking for a pawn wedge in the throat.) Again,
>>I can't say that Crafty would have done better, but it wok tould not have played
>>Ra7 (NULL) at all.
>>
>>3. what was with black's 9th move? Bg4 rejected by f3 back to d7? Seems like
>>a total waste of time.
>>
>>4. 13. ... Be6 seems bad. Allowing f5. exf4 at least prevents the e4-f5
>>wedge and keeps some space on the kingside for black.
>>
>>If fritz is going to play GM players, it has _got_ to learn to stop such
>>attacks. Or at least put up some resistance to that kind of king-side attack.
>>If it visits ICC, it will become painfully obvious how easy this is to do,
>>even in blitz games... GMs recognize such weaknesses and rub your nose in it
>>over and over and over... If you have a huge kingside weakness hole in the
>>evaluation, look out...
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