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Subject: Re: reply to this one...novelties

Author: Vincent Diepeveen

Date: 08:17:51 02/20/06

Go up one level in this thread


On February 19, 2006 at 15:05:37, Andrew Dados wrote:

>On February 19, 2006 at 08:34:52, Sandro Necchi wrote:
>
>>Since some people believe the computers can give novelties and evaluate the
>>openings than reply to this one:
>>
>>Chess informant 93/439 page 7 of chess informant 94
>>
>>V. Topalov 2778 - V. Anand 2785 (Sofia 2005)
>>
>>1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb4 6. Bd2 Be7 7. Nc3 c6 8. e4 d5
>>9. Qc2 dxe4 10. Ne4 Bb7? 11. Neg5!
>>
>>do you think a chess program is able to find this noveltie?
>>
>>If not how can evaluate correctly this opening?
>>
>>Sandro
>
>More interesting question is how many recent novelties would NOT be found if not
>for computer-assisted home preparation. I wild-guess 90% of what is new was
>invented and verified with huge aid of comp programs...
>
>-andrew-

Right, in the case of Neg5 all it requires is a 9 ply search of Diep to get the
idea. Single cpu k7 2.1Ghz:

00:00     66 4 0 (1) 1 (0,0) 0.296 Ne4xf6 Be7xf6 Qc2-e4 Qd8-d6 Bd2-f4 Qd6-b4
Bf4-d2
00:00     78 11 0 (1) 1 (0,0) 0.553 Ne4-c3 c6-c5 d4-d5 e6xd5 c4xd5
00:00     82 14 0 (1) 1 (0,0) 0.989 Bf1-d3 Nf6xe4 Bd3xe4 Nb8-d7
00:00     95 21 0 (1) 1 (0,0) 1.036 Bf1-e2 Nf6xe4 Qc2xe4
00:00    366 99 0 (1) 2 (0,1) 0.574 Bf1-e2 c6-c5
++ f1-d3 procnr=0 terug=629 org=[574;575] newwindow=[574;520000]
00:00    513 185 0 (1) 2 (0,1) 0.629 Bf1-d3 c6-c5 d4xc5 Nf6-d5
00:00   1995 818 0 (1) 3 (0,2) 0.432 Bf1-d3 c6-c5 Bd2-e3 c5xd4 Be3xd4
00:00   9282 4363 0 (1) 4 (0,3) 0.527 Bf1-d3 Nf6xe4 Bd3xe4 Nb8-d7
00:00  25686 15669 0 (1) 5 (0,4) 0.648 Bf1-d3 c6-c5 d4xc5 Nb8-c6 c5xb6 a7xb6
00:00  48685 40409 0 (1) 6 (0,5) -0.028 Bf1-d3 Nf6xe4 Bd3xe4 f7-f5 Be4xf5 e6xf5
Qc2xf5
++ e4-f6 procnr=0 terug=-9 org=[-28;-27] newwindow=[-28;520000]
00:01  63833 86813 0 (1) 6 (0,5) 0.314 Ne4xf6 Be7xf6 Qc2-e4 Qd8-c7 Qe4-f4 Qc7xf4
Bd2xf4
00:02  92817 227403 0 (1) 7 (0,6) 0.149 Ne4xf6 Be7xf6 Qc2-e4 Nb8-d7 Bf1-e2
Qd8-c7 Qe4-f4 Qc7xf4 Bd2xf4
00:07 113042 881733 0 (1) 8 (0,7) 0.007 Ne4xf6 Be7xf6 Qc2-e4 Qd8-e7 c4-c5 Nb8-d7
Bf1-b5 Ra8-d8 Bb5xc6 Bb7xc6 Qe4xc6 b6xc5
++ c4-c5 procnr=0 terug=8 org=[7;8] newwindow=[7;520000]
00:25 126944 3286600 0 (1) 9 (0,8) -0.203 Ne4xf6 Be7xf6 O-O-O c6-c5 d4-d5 O-O
Bf1-d3 h7-h6 Bd3-h7 Kg8-h8 Rh1-e1 e6xd5
++ e4-g5 procnr=0 terug=-202 org=[-203;-202] newwindow=[-203;520000]
00:41 130092 5358490 0 (1) 9 (0,8) -0.174 Ne4-g5 c6-c5 d4xc5 Nb8-d7 Bf1-g2 h7-h6
Ng5xf7 Ke8xf7 Nf3-g5 h6xg5 Bg2xb7



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