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Subject: Re: Those of you with snappy PC's and strong programs...

Author: Drexel,Michael

Date: 23:05:27 10/21/03

Go up one level in this thread


On October 21, 2003 at 21:54:15, Vincent Lejeune wrote:

>On October 21, 2003 at 16:01:30, Drexel,Michael wrote:
>
>>On October 21, 2003 at 13:31:41, Peter Berger wrote:
>>
>>>On October 21, 2003 at 12:43:40, Drexel,Michael wrote:
>>>
>>><snip>
>>>>>Shredder seems to like 22...Rg6
>>>>>
>>>>>22...Rg6 23.Bxg6 hxg6 24.Nxb4 0-0-0
>>>>
>>>>Yes, this line doesn't seem to be clearly lost for black and 22.Qh5 Bxc6 23.dxc6
>>>>Rg6 seems to be a draw although it looks dangerous on first sight.
>>>>The question is if there exists something better than 19.Nc6.
>>>
>>><snip>
>>>>I can easily get a draw against Fritz 8 in that line.
>>>>But of course I am not satisfied with a draw against Fritz :)
>>>>
>>>>Maybe we should put forward this line to Garry.
>>>>He IS happy to draw the machines.
>>>>
>>>>Michael
>>>
>>>I have been following this discussion with great interest, but I haven't found a
>>>better line for black yet.
>>>
>>>>
>>>>[Event "Blitz:30'+2""]
>>>>[Site "München"]
>>>>[Date "????.??.??"]
>>>>[Round "?"]
>>>>[White "Fritz 8"]
>>>>[Black "Drexel, Michael"]
>>>>[Result "1/2-1/2"]
>>>>[PlyCount "58"]
>>>>[TimeControl "1800+2"]
>>>>
>>>>{64MB, Fritz8.ctg, ATHLONXP} 1. e4 {0} c5 {1} 2. Nf3 {0} d6 {1} 3. d4 {0} cxd4
>>>>{1} 4. Nxd4 {0} Nf6 {1} 5. Nc3 {0} a6 {(Nc6) 1} 6. Bg5 {0} e6 {3} 7. f4 {0} Be7
>>>>{0} 8. Qf3 {0} Qc7 {0} 9. O-O-O {0} Nbd7 {1} 10. g4 {0} b5 {1} 11. Bxf6 {0}
>>>>Nxf6 {1} 12. g5 {0} Nd7 {1} 13. f5 {0} Nc5 {1} 14. f6 {0} gxf6 {2} 15. gxf6 {0}
>>>>Bf8 {1} 16. Rg1 {0} b4 {(h5) 2} 17. Nd5 {0} exd5 {1} 18. exd5 {0} Nd7 {(Bd7) 2}
>>>>19. Nc6 {0} Bb7 {4} 20. Bh3 {0} Ne5 {(Bxc6) 3} 21. Rge1 {0} Rg8 {(Bh6+) 7
>>>
>>>But I wanted to make a suggestion for White instead. How about 21. Rde1 ? It
>>>looks natural and logical to me - it also stops your plan of defense. I haven't
>>>got a database or chessbooks around currently to check if this is a well-known
>>>one and if it works as I think it does.
>>
>>I assume a database or books wont help you much here. I found only games from
>>'weak' players with 21.Rde1. I have an old Najdorf for the tournament player
>>book.
>>The line 20...Ne5 is not in the book.
>>
>>I thought about this idea too, Peter.
>>It stops Black from playing Rg8 but on the other hand a Rook on d1 is very
>>useful in this line. After 21.Rge1 the continuation Bxc6 22.dxc6 Rb8 loses due
>>to 23.Rxe5+ dxe5 24.Bd7+ Kd8 25.Qd5 Bd6 26.Qxf7 +-.
>
>instead of 25...Bd6 Hiarcs suggest :
>
>Analysis by Hiarcs 9:
>
>25...Da7 26.Ff5+ Rc7 27.Dxf7+ Rb6 28.Dxa7+ Rxa7 29.c7 Tc8 30.Fxc8 Fh6+ 31.Rd1
>Txc8 32.Te1 Ff4 33.Tg1 Rb7 34.Tg7 Tf8 35.f7 Rxc7 36.Txh7 e4 37.a3 bxa3 38.bxa3
>Rd6
>  µ  (-1.34)   Profondeur: 13/34

You gave it the wrong position. With the Rook on d1 25...Qa7 is a mate in 6.
The Hiarcs line is in my PGN.

Michael

>
>>Without a Rook on d1 the move order Bxc6 22.dxc6 Rb8 is possible (see below)
>>
>>I am really not a strong tactician so I am not able to figure out so quickly
>>what is exactly going here.
>>If black can not activate his rooks quickly he would be completely lost in all
>>those lines.
>>
>>My conclusion is that it is not yet clear that 16...b4 loses.
>>Anyway, the lines in the commercial books are for sure not long enough.
>>
>>Michael
>>
>>[Event "?"]
>>[Site "?"]
>>[Date "2003.10.21"]
>>[Round "?"]
>>[White "?"]
>>[Black "?"]
>>[Result "*"]
>>[PlyCount "52"]
>>[EventDate "2003.10.21"]
>>
>>1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3
>>Qc7 9. O-O-O Nbd7 10. g4 b5 11. Bxf6 Nxf6 12. g5 Nd7 13. f5 Nc5 14. f6 gxf6 15.
>>gxf6 Bf8 16. Rg1 b4 17. Nd5 exd5 18. exd5 Nd7 19. Nc6 Bb7 20. Bh3 Ne5 21. Rde1
>>Bxc6 22. dxc6 Rb8 23. Qd5 (23. Kb1 Rb5) (23. Rxe5+ dxe5 24. Bd7+ Kd8 25. Rd1 (
>>25. Qd5 Qa7 (25... Rb6 26. Rd1 Qd6) 26. Bf5+ Kc7 27. Qxf7+ Kb6 28. Qxa7+ Kxa7
>>29. c7 Bh6+ 30. Kd1 Rbf8) 25... Bd6 (25... Qa5 26. Rd5 Bc5 (26... Rb5 27. c7+)
>>27. Qe4 Kc7 28. Qxe5+ Kb6) 26. Qd5 Rf8) 23... Kd8 (23... Rb5 24. Rxe5+ Kd8 25.
>>Re8+ Kxe8 26. Bd7+ Kd8 27. Qxf7 Re5 28. Rg8) 24. Bf1 (24. Rxe5 Bh6+ 25. Kb1 (
>>25. Reg5 Rb5) 25... Rb5) 24... Nxc6 (24... Bh6+ 25. Kb1 Nxc6 26. Rg4 Rb6 27.
>>Rh4 (27. Rc4 Qd7 28. Bh3 (28. Re7 Nxe7 29. fxe7+ Kxe7 30. Re4+ Kd8 31. Qd4 Kc7
>>32. Qxh8 d5 33. Re1) 28... Qxh3 29. Rxc6 Rxc6 30. Qxc6 Qd7) 27... Bf8 28. Rhe4
>>Qd7 29. Qh5) 25. Rg4 (25. Bc4 Bh6+ 26. Kb1 Bf4 27. Rg4 (27. Bxa6 Ne5 28. Re4
>>Qb6) 27... Be5 28. Rg7 Rf8 29. Rxh7) 25... b3 (25... Rb6 26. Rc4 Kc8 27. Bg2
>>Kb7 28. Ree4) 26. axb3 Nb4 *
>>
>>>
>>>Peter



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