Author: Dann Corbit
Date: 09:06:23 03/30/00
Go up one level in this thread
On March 29, 2000 at 20:20:14, Pete Galati wrote:
>On March 29, 2000 at 17:13:47, Dann Corbit wrote:
>
>>On March 29, 2000 at 17:13:04, Dann Corbit wrote:
>>
>>>On March 29, 2000 at 16:55:45, Pete Galati wrote:
>>>[snip]
>>>>[D]8/3k4/8/6N1/3B1K2/1r6/1R6/8 b - - 0 62
>>>>
>>>>Keep in mind that I'm a lousy Chess player, but my guess is that at that point
>>>>in the game, all Crafty was seeing was that it was behind on pieces, and wasn't
>>>>willing to trade, even though it would be able to salvage a draw out of the
>>>>game. What _was_ Crafty's move?
>>>>
>>>>Pete
>>>>
>>>>You think _your_ brain is mush? This time the diagram worked right?
>>>Yes. That is the position after the capture. Here is the previous position:
>>[D]8/3k4/8/6N1/3B1K2/1r6/1p6/1R6 w - -
>>>
>[...]
>
>Alibaba's opinion of this position:
>
>>c 9
>
> 1 0.00s 6.520 Bd4xb2 1
> 0.05s >> Rb1xb2 .Rb3xb2 Bd4xb2 3
> 0.05s 6.560 Rb1xb2 .Rb3xb2 Bd4xb2 3
>====================[ 0.11 ]====================
> 2 0.11s 6.560 Rb1xb2 Rb3xb2 .Bd4xb2 3
>====================[ 0.22 ]====================
> 3 0.22s 6.560 Rb1xb2 Rb3xb2 Bd4xb2 3
> 0.33s >> Ng5-e4 Kd7-d8 Bd4xb2 3
> 0.49s 6.590 Ng5-e4 Rb3-b4 Bd4xb2 3
>====================[ 0.60 ]====================
> 4 1.09s 6.600 Ng5-e4 Kd7-c8 Rb1xb2 Rb3xb2 .Bd4xb2 5
>====================[ 1.75 ]====================
> 5 2.47s 6.600 Ng5-e4 Kd7-c8 Rb1xb2 Rb3xb2 Bd4xb2 5
> 2.63s >> Rb1xb2 Rb3-d3 Ng5-f3 Kd7-c8 Rb2-e2 5
> 2.96s 6.640 Rb1xb2 Rb3xb2 Bd4xb2 Kd7-c8 Bb2-e5 5
>====================[ 5.87 ]====================
> 6 6.53s 6.640 Rb1xb2 Rb3xb2 Bd4xb2 Kd7-c7 Bb2-e5 Kc7-c8 6
>====================[ 17.24 ]====================
> 7 21.69s 6.730 Rb1xb2 Rb3xb2 Bd4xb2 Kd7-c7 Bb2-e5 Kc7-c8
> Ng5-e4 7
>====================[ 79.09 ]====================
> 8 90.46s 6.710 Rb1xb2 Rb3xb2 Bd4xb2 Kd7-c7 Bb2-e5 Kc7-b7
> Ng5-e4 Kb7-a8 8
>====================[ 276.27 ]====================
> 9 330.37s 6.770 Rb1xb2 Rb3xb2 Bd4xb2 Kd7-c7 Bb2-e5 Kc7-b7
> Ng5-e4 Kb7-a8 Kf4-g3 9
>====================[ 1118.39 ]====================
>9433704 nodes (int:2178362, leaf:7255342, quies:962987), 8435 n/s
>25281091 moves in 1166856 times (21.67)
>My move: Rb1xb2
>
>
>Getting my computer to go any deeper with this position in Alibaba takes a very
>long time. If anyone else would like to have a go at it, put thr below position
>in a file, and put it in a subdirectory of Alibaba's called "games", for
>example: d:\alibaba\games and load the position with the "load" or "L" command.
>
>Alibaba can only load games from it's "games" subdirectory. Here's the position
>file:
>
>Rb1 Bd4 Kf4 Ng5
>Rb3 b2 Kd7
>WTM
>compute 12
1 0.00s 6.520 Bd4xb2 1
0.02s >> Rb1xb2 .Rb3xb2 Bd4xb2 3
0.02s 6.560 Rb1xb2 .Rb3xb2 Bd4xb2 3
====================[ 0.05 ]====================
2 0.05s 6.560 Rb1xb2 Rb3xb2 .Bd4xb2 3
====================[ 0.07 ]====================
3 0.08s 6.560 Rb1xb2 Rb3xb2 Bd4xb2 3
0.10s >> Ng5-e4 Kd7-d8 Bd4xb2 3
0.11s 6.590 Ng5-e4 Rb3-b4 Bd4xb2 3
====================[ 0.13 ]====================
4 0.17s 6.600 Ng5-e4 Kd7-c8 Rb1xb2 Rb3xb2 .Bd4xb2 5
====================[ 0.28 ]====================
5 0.43s 6.600 Ng5-e4 Kd7-c8 Rb1xb2 Rb3xb2 Bd4xb2 5
0.46s >> Rb1xb2 Rb3-d3 Ng5-f3 Kd7-c8 Rb2-e2 5
0.53s 6.640 Rb1xb2 Rb3xb2 Bd4xb2 Kd7-c8 Bb2-e5 5
====================[ 1.02 ]====================
6 1.15s 6.640 Rb1xb2 Rb3xb2 Bd4xb2 Kd7-c7 Bb2-e5 Kc7-c8 6
====================[ 3.63 ]====================
7 4.62s 6.730 Rb1xb2 Rb3xb2 Bd4xb2 Kd7-c7 Bb2-e5 Kc7-c8
Ng5-e4 7
====================[ 14.32 ]====================
8 16.90s 6.710 Rb1xb2 Rb3xb2 Bd4xb2 Kd7-c7 Bb2-e5 Kc7-b7
Ng5-e4 Kb7-a8 8
====================[ 60.11 ]====================
9 72.06s 6.770 Rb1xb2 Rb3xb2 Bd4xb2 Kd7-c7 Bb2-e5 Kc7-b7
Ng5-e4 Kb7-a8 Kf4-g3 9
====================[ 250.53 ]====================
10 389.96s 6.770 Rb1xb2 Rb3xb2 Bd4xb2 Kd7-c7 Bb2-e5 Kc7-b7
Ng5-e4 Kb7-a7 Kf4-g3 Ka7-a8 10
====================[ 1284.10 ]====================
11 1670.31s 6.810 Rb1xb2 Rb3xb2 Bd4xb2 Kd7-c7 Bb2-e5 Kc7-b7
Ng5-e4 Kb7-a7 Kf4-g3 Ka7-a8 Kg3-h2 11
====================[ 5619.75 ]====================
12 7438.94s 6.780 Rb1xb2 Rb3xb2 Bd4xb2 Kd7-d6 Ng5-e4 Kd6-e7
Bb2-d4 Ke7-e6 Bd4-e5 Ke6-f7 Kf4-g3 Kf7-g8 12
====================[ 24079.25 ]====================
708284519 nodes (int:286212349, leaf:422072170, quies:110557217), 29414 n/s
3559614740 moves in 164293778 times (21.67)
My move: Rb1xb2
And after:
>compute 13
1 0.04s -6.560 Rb3xb2 .Bd4xb2 2
====================[ 0.04 ]====================
2 0.04s -6.560 Rb3xb2 Bd4xb2 2
====================[ 0.05 ]====================
3 0.05s -6.510 Rb3xb2 Bd4xb2 Kd7-c8 3
====================[ 0.06 ]====================
4 0.07s -6.640 Rb3xb2 Bd4xb2 Kd7-c8 Bb2-e5 4
====================[ 0.10 ]====================
5 0.18s -6.640 Rb3xb2 Bd4xb2 Kd7-c7 Bb2-e5 Kc7-c8 5
====================[ 0.25 ]====================
6 0.49s -6.730 Rb3xb2 Bd4xb2 Kd7-c7 Bb2-e5 Kc7-c8 Ng5-e4 6
====================[ 1.12 ]====================
7 2.15s -6.710 Rb3xb2 Bd4xb2 Kd7-c7 Bb2-e5 Kc7-b7 Ng5-e4
Kb7-a8 7
====================[ 2.58 ]====================
8 6.15s -6.770 Rb3xb2 Bd4xb2 Kd7-c7 Bb2-e5 Kc7-b7 Ng5-e4
Kb7-a8 Kf4-g3 8
====================[ 9.27 ]====================
9 23.16s -6.770 Rb3xb2 Bd4xb2 Kd7-c7 Bb2-e5 Kc7-b7 Ng5-e4
Kb7-a7 Kf4-g3 Ka7-a8 9
====================[ 65.30 ]====================
10 131.45s -6.810 Rb3xb2 Bd4xb2 Kd7-c7 Bb2-e5 Kc7-b7 Ng5-e4
Kb7-a7 Kf4-g3 Ka7-a8 Kg3-h2 10
====================[ 419.62 ]====================
11 823.99s -6.780 Rb3xb2 Bd4xb2 Kd7-d6 Ng5-e4 Kd6-d7 Bb2-e5
Kd7-e6 Be5-d4 Ke6-f7 Kf4-g3 Kf7-g8 11
====================[ 1879.33 ]====================
12 3416.11s -6.820 Rb3xb2 Bd4xb2 Kd7-d6 Ng5-e4 Kd6-d7 Bb2-e5
Kd7-e6 Be5-d4 Ke6-f7 Kf4-g3 Kf7-g8 Kg3-h2 12
====================[ 9223.58 ]====================
13 14542.07s -6.810 Rb3xb2 Bd4xb2 Kd7-d6 Ng5-f3 Kd6-c5 Bb2-e5
Kc5-b4 Nf3-d4 Kb4-a3 Kf4-g3 Ka3-a2 Kg3-h2
Ka2-a1 13
Rb3-d3 ( 2/20)
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