Author: Mike Byrne
Date: 15:50:10 01/09/98
Go up one level in this thread
On January 09, 1998 at 18:26:13, Mike Byrne wrote:
>
>On January 09, 1998 at 18:09:27, Robert Hyatt wrote:
>
>>On January 09, 1998 at 17:52:51, Bruce Moreland wrote:
>>
>>>
>>>On January 09, 1998 at 14:41:46, Robert Hyatt wrote:
>>>
>>>>classic position, although it might have a cook in Qg8 as well.
>>>>Crafty finds Qg7 in 3 secs... but later changes to Qg8, but never
>>>>sees a mate in a minute or so, but both moves have an eval of over
>>>>+12, which crafty gets at 8 plies, 3 seconds...
>>>
>>>Wow, this totally smokes me.
>>>
>>>I don't know what Qg8 is about though. I have a hard time seeing the
>>>mate after Kxg8, and I somehow doubt you solved this one positionally
>>>:-)
>>>
>>>bruce
>>
>>I may have blown this. I re-ran it and did not get either qg8 or Qg7
>>quickly. It is possible I mis-typed it when I set it up...
>>
>>Bob
>
>It is still a mate in 7 ...but it took crafty almost 10 minutes the way
>it was typed in..
resignation threshold set to 7 pawns.
Crafty 14.2 vs ferret
playing a computer!
White(1): setb r3rk2/ppq2pbQ/2p1b1p1/4p1B1/2P3P1/3P1B2/P3PPK1/1R5R w
+---+---+---+---+---+---+---+---+
8 | *R| | | | *R| *K| | |
+---+---+---+---+---+---+---+---+
7 | *P| *P| *Q| | | *P| *B| Q |
+---+---+---+---+---+---+---+---+
6 | | | *P| | *B| | *P| |
+---+---+---+---+---+---+---+---+
5 | | | | | *P| | B | |
+---+---+---+---+---+---+---+---+
4 | | | P | | | | P | |
+---+---+---+---+---+---+---+---+
3 | | | | P | | B | | |
+---+---+---+---+---+---+---+---+
2 | P | | | | P | P | K | |
+---+---+---+---+---+---+---+---+
1 | | R | | | | | | R |
+---+---+---+---+---+---+---+---+
a b c d e f g h
White(1): anal
clearing hash tables
time surplus 0.00 time limit 1:17 (7:42)
depth time score variation (1)
5 5.63 0.78 Be3 b6 Bh6 Bxh6 Qh8+ Ke7 Qxh6
5 6.37 0.79 Bc1 Rab8 Bh6 Bxh6 Qh8+ Ke7 Qxh6
5-> 6.50 0.79 Bc1 Rab8 Bh6 Bxh6 Qh8+ Ke7 Qxh6
6 10.09 0.95 Bc1 Rab8 Bh6 Bxh6 Qxh6+ Ke7 Qg7
6-> 10.90 0.95 Bc1 Rab8 Bh6 Bxh6 Qxh6+ Ke7 Qg7
7 11.22 -- Bc1
7 14.19 0.59 Bc1 Rab8 Be3 c5 Bh6 Bxh6 Qh8+ Ke7
Qxh6
7 16.62 0.77 Be3 b6 Bh6 Bxh6 Qxh6+ Ke7 Qg5+ Kd7
Qf6
7-> 18.32 0.77 Be3 b6 Bh6 Bxh6 Qxh6+ Ke7 Qg5+ Kd7
Qf6
8 20.28 0.70 Be3 b6 Bd2 Rad8 Bh6 Bxh6 Qxh6+ Ke7
Qg7
8 23.29 0.75 Bc1 Rab8 Be3 c5 Bh6 Bxh6 Qxh6+ Ke7
Qg7
8 37.38 ++ Rh2!!
8 41.79 1.60 Rh2 Qd7 Rbh1 f5 Qxg6 fxg4 Be4 Qd4
8-> 41.82 1.60 Rh2 Qd7 Rbh1 f5 Qxg6 fxg4 Be4 Qd4
9 48.63 1.58 Rh2 Qd7 Rbh1 f6 Bh6 g5 Bxg7+ Qxg7
Qxg7+
Kxg7 Rh7+ Kf8 Rxb7 c5
9-> 53.17 1.58 Rh2 Qd7 Rbh1 f6 Bh6 g5 Bxg7+ Qxg7
Qxg7+
Kxg7 Rh7+ Kf8 Rxb7 c5
10 1:09 1.38 Rh2 Qd7 Rbh1 f5 Qxg6 e4 dxe4 fxg4
Rh8+
Bg8 Rxg8+ Kxg8
10 2:18 1.47 Rh4 Qd7 Rbh1 f5 gxf5 Bxf5 Kf1 Qd6
Bh6
Bxh6 Qxh6+ Kf7
10-> 2:18 1.47 Rh4 Qd7 Rbh1 f5 gxf5 Bxf5 Kf1 Qd6
Bh6
Bxh6 Qxh6+ Kf7
11 3:39 1.69 Rh4 e4 Bxe4 Rab8 Bh6 Bxh6 Qxh6+ Ke7
Qg7 Qf4 Bxg6 Kd8
11-> 5:37 1.69 Rh4 e4 Bxe4 Rab8 Bh6 Bxh6 Qxh6+ Ke7
Qg7 Qf4 Bxg6 Kd8
12 9:15 1.80 Rh4 e4 Bxe4 Rab8 e3 Ra8 Bf4 Qd7 Bh6
Bxh6 Qxh6+ Ke7 Qf4
12 9:48 ++ Qh8+!!
12 9:53 Mat08 Qh8+ Bxh8 Rxh8+ Kg7 Rh7+ Kxh7 Bf6 g5
Be4+ Bf5 Bxf5+ Kg8 Rh1 c5 Rh8#
12 10:10 Mat07 Qxg7+ Kxg7 Rh7+ Kxh7 Bf6 g5 Be4+ Bf5
Bxf5+ Kg8 Rh1 c5 Rh8#
12-> 10:32 Mat07 Qxg7+ Kxg7 Rh7+ Kxh7 Bf6 g5 Be4+ Bf5
Bxf5+ Kg8 Rh1 c5 Rh8#
time: 10:32 cpu:100% mat:-8 n:58109148 nps:91850
ext-> checks:2728296 recaps:124347 pawns:7892 1rep:479363
predicted:0 nodes:58109148 evals:27213600
endgame tablebase-> probes done: 0 successful: 0
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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