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Subject: Re: results DIEP at position

Author: Vincent Diepeveen

Date: 18:17:27 02/22/99

Go up one level in this thread


On February 22, 1999 at 15:01:15, John Stanback wrote:

>On February 22, 1999 at 04:09:49, Will Singleton wrote:
>
>>
>>To start the ball rolling, here's a position from the game Amateur-LambChop,
>>played on ICC yesterday.  For some reason, Amateur declined the easy move,
>>which would have won quickly, and played a tricky move that led to a loss.
>>On subsequent analysis, it took Amateur 9 ply to see the right move.  During
>>the actual game (blitz), it only searched about 7 ply.  I'm thinking this
>>might be some bug or other weirdness.  Does your program have any trouble
>>finding the right move quickly?
>>
>>7k/2pn1Q2/2r4p/p1qpp3/Pp1b3N/1P1P2PP/2P1R2B/7K w - -

Diep 'paderborn version' 1 CPU version that was release date 20 januari 1999:

Operator Time Set To 0 seconds
Book is on
Analysis mode is on
Allocating 79999920 bytes hashtables
Permanent brain is on
 # move freq games  score*2 learn ==> huge cache
       D I E P  1.60.02

black timeleft=27:46.40.00
 - = - = - = - k   ...       1    ...
 = - o n = Q = -   ...       2    ...
 - = r = - = - o   ...       3    ...
 o - q o o - = -   ...       4    ...
 O o - b - = - N   ...       5    ...
 = O = O = - O O   ...       6    ...
 - = O = R = - B   ...       7    ...
 = - = - = - = K   ...       8    ...
white timeleft=27:46.40.00
white to move

 # move freq games  score*2 learn ==> game cache
       D I E P  1.60.02
anal
Analysis mode is on
00:00 109 1 2.44 Nh4-g6 Rc6xg6 Qf7xg6
00:00 114 1 3.81 Qf7xd7
00:00 1343 2 3.80 Qf7xd7 Rc6-f6 Qd7-d8 Kh8-g7
00:00 3512 2 4.36 Nh4-f5 e5-e4 Qf7xd7
00:00 10618 3 4.72 Nh4-f5 Qc5-f8 Qf7xd7 Rc6-c5
00:00 14367 4 5.09 Nh4-f5 Qc5-f8 Qf7xd7 Rc6-f6 g3-g4
00:01 26279 5 5.05 Nh4-f5 Qc5-f8 Qf7xd7 Rc6-c5 g3-g4 Qf8-f6
00:02 57976 6 5.51 Nh4-f5 Qc5-f8 Qf7xd7 Rc6-d6 Qd7xc7 Rd6-g6 Nf5xd4 Qf8-f1
Bh2-g1 e5xd4 Qc7xa5 Qf1xe2 Bg1xd4 Rg6-g7 Bd4xg7 Kh8xg7 Qa5xd5
00:06 158857 7 1.15 Nh4-f5 Qc5-f8 Qf7xf8 Nd7xf8 g3-g4 Rc6-e6 Kh1-g2 c7-c5 Kg2-f1
00:07 181392 7 3.93 Qf7xd7 Qc5-f8 Kh1-g2 Qf8-d6 Qd7-e8 Kh8-h7 Qe8-f7 Kh7-h8
00:15 359959 8 3.86 Qf7xd7 Qc5-f8 Bh2-g1 Qf8-f1 Qd7-c8 Kh8-h7 Qc8-f5 Qf1xf5 Nh4x
f5 Bd4xg1 Kh1xg1
00:32 783284 9 4.34 Qf7xd7 Qc5-f8 Bh2-g1 Qf8-f1 Re2-g2 Rc6-f6 Qd7-d8 Kh8-h7 Qd8x
d5 Bd4xg1 Qd5-d7 Rf6-f7 Rg2xg1
00:58 1420139 10 4.34 Qf7xd7 Qc5-f8 Bh2-g1 Qf8-f1 Re2-g2 Rc6-f6 Qd7-d8 Kh8-h7 Qd
8xd5 Bd4xg1 Qd5-d7 Rf6-f7 Rg2xg1
quit

>Here is Zarkov's output on a P2-300.  It failed low on Nf5 after
>6.1 seconds and switched to Qxd7 after 10.7 seconds in the 7th
>iteration.

In diep after 7 seconds research has been completed already, although
that's at a PII-450...

>00:00.0        3  1>   417  Qxd7
>00:00.0        7  1    330  Qxd7 Qxc2 Rxc2
>00:00.0      896  1    430  Nf5 Qf8 Qxd7
>00:00.0     1033  2>   430  Nf5 Qf8 Qxd7
>00:00.0     2063  3>   430  Nf5 Qf8 Qxd7
>00:00.1     3328  3    457  Nf5 Qf8 Qxd7 Rc5
>00:00.2     7782  4>   457  Nf5 Qf8 Qxd7 Rc5
>00:00.3    11392  4    457  Nf5 Qf8 Qxd7 Rc5
>00:00.5    22967  5>   457  Nf5 Qf8 Qxd7 Rc5
>00:00.8    34048  5    461  Nf5 Qf8 Qxd7 Rc5 g4
>00:01.8    77205  6>   461  Nf5 Qf8 Qxd7 Rc5 g4
>00:03.8   161664  6    533  Nf5 Qf8 Qxd7 Rf6 Nxd4 exd4 Qxc7 Rf1+ Bg1
>00:05.8   259108  7>   533  Nf5 Qf8 Qxd7 Rf6 Nxd4 exd4 Qxc7 Rf1+ Bg1
>00:06.1   274816  7    417  Nf5 Qf8 Qxd7 Rf6 Nxd4 exd4 Qxc7 Rf1+ Bg1
>00:09.7   450048  7    327  Nf5 Qf8 Qxd7 Rf6 Nxd4 exd4 Qxc7 Rf1+ Bg1
>00:10.7   502400  7    388  Qxd7 Qf8 Kg2 Rf6 Bg1 c6 Bxd4 exd4
>00:18.5   884120  8>   388  Qxd7 Qf8 Kg2 Rf6 Bg1 c6 Bxd4 exd4
>00:24.0  1153024  8    403  Qxd7 Qf8 Kg2 Rf6 Bg1 Bxg1 Kxg1 c6 Rf2
>00:53.1  2597358  9>   403  Qxd7 Qf8 Kg2 Rf6 Bg1 Bxg1 Kxg1 c6 Rf2



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