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Subject: Re: positions when deep thought blundered - other pos

Author: Vincent Diepeveen

Date: 14:22:10 08/20/02

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On August 20, 2002 at 17:02:52, Uri Blass wrote:

>I include only gam,es from 1993
>
>Deep Blue - Hamann,S
>5R2/r5pp/3N2k1/3Ppp2/2P5/p7/P5PP/2n3K1 w - - 0 38 bm Nb5
>
>Note that at that time the position was tested on other programs and no program
>could find Nb5 in 15 minutes but today chess programs are better and have no
>problem to find Nb5

>8/r5pp/3N2k1/3PpR2/2P5/p7/n5PP/6K1 w - - 0 39 am Rxe5 bm Rf3 (I am not sure if
>h4 is enough for a draw because of h5)

00:00      3 0k 0 0 3 (16) 1 (0,0)1.542 Rf5xe5
00:00   5200 5k 0 0 52 (16) 2 (0,3)0.525 Rf5xe5 Na2-c3
00:00  27900 28k 0 0 279 (16) 3 (0,28)1.430 Rf5xe5 Na2-c3 Re5-e1
++ h2-h4
00:00  29300 29k 0 0 879 (16) 3 (1,42)1.562 h2-h4 h7-h5 Rf5xe5
00:00  29860 30k 0 0 1493 (16) 4 (2,58)0.836 h2-h4 h7-h5 Rf5-g5 Kg6-f6 Rg5xh5
00:00  37106 37k 0 0 5566 (16) 5 (11,122)1.710 h2-h4 h7-h5 Rf5xe5 Na2-c3 Re5-e6
Kg6-h7 Re6-e1
00:00  42721 43k 0 0 9826 (16) 6 (16,195)1.710 h2-h4 h7-h5 Rf5xe5 Na2-c3 Re5-e6
Kg6-h7 Re6-e1
00:00  47569 48k 0 0 25212 (16) 7 (47,410)1.567 h2-h4 h7-h6 h4-h5 Kg6-h7 Nd6-b5
Ra7-a4 Rf5xe5 Na2-c1
00:01  54337 54k 0 0 57054 (16) 8 (116,864)1.260 h2-h4 h7-h6 h4-h5 Kg6-h7 Rf5xe5
Na2-b4 Re5-e1 Nb4-c2 Re1-e8
00:03  69763 70k 0 0 254638 (16) 9 (559,3174)0.550 h2-h4 h7-h6 Rf5xe5 Na2-b4
Re5-e1 Nb4-c2 Nd6-b5 Nc2xe1 Nb5xa7
00:08 118203 118k 0 0 947994 (16) 10 (1649,9879)1.146 h2-h4 h7-h6 Rf5xe5 Na2-c3
h4-h5 Kg6-h7 Re5-e1 a3-a2 Re1-a1 g7-g6 Nd6-c8
00:13 153935 154k 0 0 2061195 (16) 11 (3411,23075)0.036 h2-h4 h7-h6 h4-h5 Kg6-h7
Nd6-b5 Na2-c1 Rf5-f1 a3-a2 Rf1xc1 a2-a1Q Rc1xa1 Ra7xa1 Kg1-f2
00:23 235062 235k 0 0 5425252 (16) 12 (8054,54254)-0.030 h2-h4 h7-h6 h4-h5
Kg6-h7 Nd6-b5 Na2-c1 Rf5-f1 Nc1-e2 Kg1-f2 Ra7-f7 Kf2xe2 Rf7xf1 Nb5xa3 Rf1-h1
g2-g4
++ f5-f3
00:52 281758 282k 0 0 14679635 (16) 12 (18221,114002)0.000 Rf5-f3 Na2-b4 Rf3-g3
Kg6-h5 Rg3-h3 Kh5-g4 Rh3-g3 Kg4-f4 Rg3-f3 Kf4-g5 Rf3-g3 Kg5-f6 Nd6-e8 Kf6-f5
Ne8-d6 Kf5-f4

Please keep in mind this diep version is very beta. It has zero dangerous
extensions for example, otherwise Rf3 is instantly.

>Deep Blue - Kristensen,B
>r1b2rk1/ppppnppp/2n3q1/1N6/2B1P3/2P1b3/PP3PPP/RN1Q1RK1 w - - 0 1 bm fxe3

i find this at 1 processor already very soon that's why it shows (1):

00:00     10 0k 0 0 10 (1) 1 (0,0)0.232 f2xe3 Qg6xe4 Nb5xc7 Qe4xe3 Kg1-h1
++ b5-c7
00:00  23100 23k 0 0 231 (1) 1 (0,2)0.541 Nb5xc7 Be3-f4 Nc7xa8 Qg6xe4
00:00  19750 20k 0 0 395 (1) 2 (0,4)0.541 Nb5xc7 Be3-f4 Nc7xa8 Qg6xe4
00:00  20216 20k 0 0 1213 (1) 3 (0,44)0.541 Nb5xc7 Be3-f4 Nc7xa8 Qg6xe4
00:00  25171 25k 0 0 5286 (1) 4 (0,84)0.541 Nb5xc7 Be3-f4 Nc7xa8 Qg6xe4
00:00  26115 26k 0 0 25332 (1) 5 (0,124)0.793 Nb5xc7 Nc6-e5 Nc7xa8 Ne5xc4 f2xe3
Nc4xe3
00:03  25695 26k 0 0 79912 (1) 6 (0,164)-0.480 Nb5xc7 d7-d5 Nc7xa8 d5xc4 f2xe3
Bc8-g4 Qd1-a4 Rf8xa8 Qa4xc4
++ f2-e3
00:04  25384 25k 0 0 112455 (1) 6 (0,166)0.550 f2xe3 Qg6xe4 Nb5xc7 d7-d5 Qd1-d3
Nc6-e5 Qd3xe4 d5xe4 Nc7xa8 Ne5xc4
00:06  26050 26k 0 0 180533 (1) 7 (0,205)0.058 f2xe3 Qg6xe4 Nb5xc7 Qe4xe3 Rf1-f2
Ra8-b8 Nc7-d5 Qe3-c5
00:17  26546 27k 0 0 455264 (1) 8 (0,245)-0.009 f2xe3 Nc6-e5 Nb1-a3 Qg6-b6
Qd1-d4 Ne5xc4 Qd4xc4 Qb6xe3 Kg1-h1
00:48  27030 27k 0 0 1314764 (1) 9 (0,285)0.009 f2xe3 Qg6xe4 Nb5xc7 Qe4xe3
Kg1-h1 Ra8-b8 Nb1-a3 Nc6-e5 Qd1-d6 Ne7-g6


>
>
>
>Kristiansen,J - Deep Blue
>1r5r/5ppk/ppppqP1p/4p1PR/P1P1P2P/1P4Q1/2P3R1/7K b - - 0 35 bm Kg8

15 seconds to find (that's not the FH but the PV):

++ g7-g6
00:00  32093 32k 0 0 9628 (10) 4 (6,91)-1.577 g7-g6 Rh5xh6 Kh7-g8 Rh6xh8 Kg8xh8
Qg3-f3
00:00  35652 36k 0 0 15687 (10) 5 (8,170)-1.375 g7-g6 Rh5xh6 Kh7-g8 Qg3-f3
Rh8xh6 g5xh6
00:00  41534 42k 0 0 36966 (10) 6 (23,287)-1.447 g7-g6 Rh5xh6 Kh7-g8 Rh6xh8
Kg8xh8 Qg3-f3 Kh8-g8 h4-h5
00:01  49938 50k 0 0 75906 (10) 7 (60,703)-1.468 g7-g6 Rh5xh6 Kh7-g8 Rh6xh8
Kg8xh8 Qg3-d3 Kh8-g8 c4-c5 d6-d5 Qd3xa6 b6xc5
00:02  63523 64k 0 0 180407 (10) 8 (166,1247)-1.468 g7-g6 Rh5xh6 Kh7-g8 Rh6xh8
Kg8xh8 Qg3-d3 Kh8-g8 c4-c5 d6-d5 Qd3xa6 b6xc5
00:05  74008 74k 0 0 424067 (10) 9 (510,2884)-2.041 g7-g6 Rh5xh6 Kh7-g8 h4-h5
d6-d5 c4xd5 c6xd5 e4xd5 Qe6xd5 Rh6xh8 Kg8xh8 h5-h6
++ h7-g8
00:15  92174 92k 0 0 1419489 (10) 9 (1611,7665)-1.938 Kh7-g8 f6xg7 Kg8xg7 Rh5xh6
Qe6-e7 h4-h5 a6-a5 c2-c3 Rb8-g8
00:25 136287 136k 0 0 3409917 (10) 10 (3270,15776)-2.019 Kh7-g8 f6xg7 Kg8xg7
Rh5xh6 Qe6-e7 h4-h5 a6-a5 c2-c3 Kg7-g8 Qg3-g4
00:35 148652 149k 0 0 5324716 (10) 11 (4671,24790)-1.929 Kh7-g8 f6xg7 Kg8xg7
Rh5xh6 Qe6-e7 Qg3-f2 a6-a5 Qf2-f5 Rh8xh6 g5xh6 Kg7-h8
00:52 164448 164k 0 0 8633529 (10) 12 (6104,36035)-2.032 Kh7-g8 f6xg7 Kg8xg7
Rh5xh6 Qe6-e7 h4-h5 a6-a5 Rg2-f2 Rb8-g8 Rh6xh8 Kg7xh8 Rf2-f6
01:14 176923 177k 0 0 13226797 (10) 13 (8369,55617)-2.061 Kh7-g8 f6xg7 Kg8xg7
Rh5xh6 Qe6-e7 h4-h5 Rb8-g8 Qg3-f2 Qe7-d8 Rh6xh8 Rg8xh8 h5-h6 Kg7-f8
02:09 189160 189k 0 0 24575675 (10) 14 (13765,97328)-2.332 Kh7-g8 f6xg7 Kg8xg7
a4-a5 b6xa5 c4-c5 Kg7-f8 c5xd6 Qe6xd6 Rh5xh6 Rh8xh6 g5xh6 Kf8-e7 Qg3-g7






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