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Subject: Re: test position

Author: Dann Corbit

Date: 18:08:18 05/22/01

Go up one level in this thread


On May 22, 2001 at 07:18:23, Jarkko Pesonen wrote:

>[D] 7k/pB6/8/2P1p1p1/1P6/P7/5r1P/7K b - -
>
>Is this position lost for Black if
>it doesn't choose Kg7 or Kg8 to get
>Kd6 as soon as possible ?
[snip]

Phalanx likes Kg7 but the search is only 12 plies.  However, I suspect that once
again Phalanx has seen the answer sooner.

E:\programme\winboard\Phalanx>Phalanx -l+ -t32768 -r900 -o-
tellics set 1 Phalanx XXII
primary book ./pbook.phalanx, 48749 bytes
secondary book ./sbook.phalanx, 4831506 bytes
learning file ./learn.phalanx, 262144 bytes
[ white, 1 ]
level 1 10 0
level: 1 moves in 10:00, increment 0 seconds
[ white, 1 ]
post
post on
[ white, 1 ]
7k/pB6/8/2P1p1p1/1P6/P7/5r1P/7K b - - bm Kg7;

7k/pB6/8/2P1p1p1/1P6/P7/5r1P/7K b - - bm Kg7;
    -> soft time limit 100 s
    -> hard time limit 600 s
  6      7    67   106646  Rf2-c2  Bb7-d5  Kh8-g7  Pa3-a4  Kg7-f6  Bd5-e4
  6     12    77   124080  Kh8-g7  !
  6     12   114   199817  Kh8-g7  Bb7-e4
  6     16   126   222270  Rf2-a2  Bb7-d5  Ra2xa3
  6 ->   0:01.58   282269   2 turns
  7     48   173   307019  Rf2-a2  Bb7-d5  Ra2xa3  Pb4-b5  Ra3-a5  Bd5-c4
                           Kh8-g7
  7 ->   0:02.86   556655   0 turns
  8     53   509  1005489  Rf2-a2  Pb4-b5  Ra2-c2  Pc5-c6  Pe5-e4  Kh1-g1
                           Kh8-g7  Kg1-f1  Rc2xh2
  8 ->   0:08.36  1570086   0 turns
  9     53  1634  3128216  Rf2-a2  Pc5-c6  Ra2-c2  Pb4-b5  Pe5-e4  Kh1-g1
                           Pe4-e3  Kg1-f1  Kh8-g7  Kf1-e1  Rc2xh2
  9 ->   0:31.30  6381986   0 turns
 10     48  3960  7981938  Rf2-a2  Pc5-c6  Ra2-c2  Pb4-b5  Kh8-g7  Kh1-g1
                           Kg7-f6  Kg1-f1  Kf6-f5  Kf1-g1  Kf5-e4
 10 ->   1:09.41 13412811   0 turns
 11     38  9306 17684017  Rf2-a2  Pc5-c6  Ra2-c2  Pb4-b5  Kh8-g7  Kh1-g1
                           Kg7-f6  Kg1-f1  Pe5-e4  Ph2-h3  Pe4-e3  Kf1-e1
                           Kf6-e5
 11     43 11281 20730884  Kh8-g7  !
 11     46 13329 24450314  Kh8-g7  Kh1-g1  Rf2-c2  Bb7-g2  Kg7-f6  Pc5-c6
                           Pa7-a6  Pa3-a4  Rc2-c1  Kg1-f2  Rc1-c2  Kf2-g1
 11 ->   4:04.58 46627874   1 turn
Depth=11, Value=46, Time=244.58, Last turn=112.81, Nodes=46627874, N/s=190644
PV = Kh8-g7  Kh1-g1  Rf2-c2  Bb7-g2  Kg7-f6  Pc5-c6  Pa7-a6  Pa3-a4
     Rc2-c1  Kg1-f2  Rc1-c2  Kf2-g1
[ Solution incorrect   0.00%, 0/1 ]
level 1 20 0
level: 1 moves in 20:00, increment 0 seconds
[ white, 1 ]
7k/pB6/8/2P1p1p1/1P6/P7/5r1P/7K b - - bm Kg7;

7k/pB6/8/2P1p1p1/1P6/P7/5r1P/7K b - - bm Kg7;
    -> soft time limit 200 s
    -> hard time limit 1200 s
 10 ->   0:04.37   829918   0 turns
 11     46   438   829919  Kh8-g7
 11 ->   0:10.83  2070775   0 turns
 12     47 10568 18879410  Kh8-g7  Kh1-g1  Rf2-c2  Bb7-g2  Kg7-f6  Pc5-c6
                           Pa7-a6  Pa3-a4  Rc2-c1  Kg1-f2  Kf6-e6  Pb4-b5
                           Rc1-c2  Kf2-f3
 12 ->   9:59.14 93720681   0 turns
Depth=12, Value=47, Time=599.14, Last turn=0.01, Nodes=93720681, N/s=156425
PV = Kh8-g7  Kh1-g1  Rf2-c2  Bb7-g2  Kg7-f6  Pc5-c6  Pa7-a6  Pa3-a4
     Rc2-c1  Kg1-f2  Kf6-e6  Pb4-b5  Rc1-c2  Kf2-f3



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