Author: Vincent Diepeveen
Date: 03:20:54 05/07/01
Go up one level in this thread
On May 06, 2001 at 22:40:37, Uri Blass wrote:
[snip]
>>So diep needs 1 ply extra usual as Deep Blue to get the same mainlines,
>>though usual it's the same.
>>
>>This mainline is so important because it shows the tactical horizon effect
>>a4 b4 f5!? from black.
>>
>>28..f5 is getting into the lost position as the rest is a forced win for
>>white.
>
>I believe that the losing mistake of black is only later.
>I believe that 33...Qb5 was a wrong move and Deep Fritz suggets 33...Rd6 with
>evaluation of 0.00 after some hours
>see http://www.icdchess.com/forums/1/message.shtml?167877
>
>Uri
Qb5 was indeed a very unnatural move. Seirawan also gives it ?! in his
june 97 article. Here analysis of DIEP at that position:
D I E P 2.00 beta 5 may 2001
black timeleft=27:46.40.00
- = - r r = k = Kg1-h1 26 Be7-g5
= o = - = - = - Re1-e2 27 a5-a4
- q o = - = O o b3-b4 28 f7-f5
= - = - n O = - e4xf5 29 e5-e4
o O - = o = - = f3-f4 30 Bh5xe2
O - B - N b O - f4xg5 31 Nd7-e5
- = O = - = B = g5-g6 32 Be2-f3
R - Q - = - = K Bb2-c3 33 ...
white timeleft=27:46.40.00
black to move type 'help' for command overview
clean
Clearing all Hashtables...
anal
Analysis mode is on
Process 1: engineflags=256 msk=1
process 0: engineflags = 256 denktime=10000000 maxtime=10000000
White can win here 50 worth of material
Black can win here 50 worth of material
00:00 0 0 9 (0) 1 -0.36 Bf3xg2 Kh1xg2
00:00 0 0 17 (0) 1 -0.21 Re8-e7
00:00 0 0 28 (0) 1 -0.13 Qb6-c7
00:00 0 0 46 (0) 1 -0.02 Kg8-h8
00:00 0 0 57 (0) 1 -0.00 Kg8-g7
00:00 0 0 174 (0) 2 -1.63 Kg8-g7 Ne3-c4
++ g8-h8
++ b6-c7
00:00 0 0 345 (0) 2 -0.46 Qb6-c7 Ne3-c4
++ f3-g2
00:00 0 0 387 (0) 2 -0.36 Bf3xg2 Kh1xg2
++ b6-b5
00:00 0 0 624 (0) 2 -0.35 Qb6-b5 Kh1-g1 Bf3xg2 Kg1xg2
00:00 0 0 1391 (0) 3 -0.17 Qb6-b5 Kh1-g1 Qb5-e2
++ b6-c7
00:00 0 0 2090 (0) 3 -0.12 Qb6-c7 Kh1-g1 Ne5xg6 f5xg6 Qc7xg3
00:00 0 0 3849 (623) 4 -0.14 Qb6-c7 Qc1-f1 Kg8-f8 Kh1-g1
00:00 0 0 18534 (2518) 5 -0.04 Qb6-c7 Kh1-g1 Bf3xg2 Kg1xg2 Kg8-g7
++ d8-d7
00:01 0 0 39932 (5234) 5 -0.00 Rd8-d7 Bc3-b2 Kg8-f8 Qc1-e1 Re8-e7
00:01 0 0 58723 (9200) 6 -0.09 Rd8-d7 Bc3-b2 Kg8-f8 Qc1-e1 Re8-e7 f5-f6
++ b6-a6
00:03 0 0 126449 (18281) 6 -0.07 Qb6-a6 Kh1-g1 Bf3xg2 Bc3xe5 Re8xe5 Kg1xg2
00:06 0 0 300683 (75084) 7 -0.01 Qb6-a6 Qc1-b2 Bf3xg2 Ne3xg2 Qa6-b5 Ng2-f4 Ne5-c
4 Qb2-a2
++ b6-b5
00:07 0 0 379760 (95587) 7 0.00 Qb6-b5 Kh1-g1 Qb5-b6 Kg1-h1
00:10 0 0 546656 (100617) 8 0.00 Qb6-b5 Kh1-g1 Qb5-b6 Kg1-h1
00:17 0 0 1034877 (112164) 9 0.00 Qb6-b5 Kh1-g1 Qb5-b6 Kg1-h1
01:17 0 0 5480811 (1119879) 10 -0.22 Qb6-b5 Qc1-f1 Qb5xf1 Ra1xf1 b7-b6 Bc3xe5 Re
8xe5 f5-f6 Re5-h5 Kh1-g1 Rh5-g5 f6-f7 Kg8-f8 Bg2xf3 Rg5xg3 Kg1-f2 Rg3xf3 Kf2-e2
++ d8-d7
02:17 0 0 9748953 (2116876) 10 -0.09 Rd8-d7 Qc1-e1 Qb6-a7 Qe1-f2 Ne5-c4 Ra1-e1 K
g8-f8 Kh1-g1 Bf3xg2 Ne3xc4 Qa7xf2 Kg1xf2
08:18 0 0 35090572 (10183132) 11 -0.14 Rd8-d7 Ra1-b1 Qb6-c7 Qc1-f1 Rd7-d8 Kh1-g1
Kg8-f8 Kg1-f2 Qc7-g7 Qf1-h1 b7-b6
++ b6-a7
15:49 0 0 67250297 (16996202) 11 -0.10 Qb6-a7 Ra1-b1 h6-h5 b4-b5 Qa7-c5 Bc3-b4 B
f3xg2 Kh1xg2 Qc5xb5 c2-c4 Qb5-a6 Qc1-c2
28:31 0 0 122296748 (33635869) 12 -0.28 Qb6-a7 Qc1-g1 b7-b5 Ra1-e1 c6-c5 Qg1-h2
c5xb4 Bc3xb4 Bf3xg2 Kh1xg2 Ne5-f3 Qh2xh6
++ d8-d7
39:33 0 0 171199351 (53608569) 12 -0.07 Rd8-d7 Ra1-b1 Qb6-a7 Qc1-e1 b7-b5 Bc3xe5
Re8xe5 Qe1-c3 Qa7-c7 Rb1-f1
57:06 0 0 249302172 (70373622) 13 -0.00 Rd8-d7 Ra1-b1 Qb6-d8 Qc1-b2 Bf3xg2 Kh1xg
2 Qd8-g5 Rb1-e1 Ne5-f3 Re1-e2 Nf3-h4 Kg2-f2 Nh4xf5
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