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Subject: Re: Simple quad-opteron test - WAC 230

Author: Vincent Lejeune

Date: 23:23:04 12/04/03

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On December 04, 2003 at 12:22:01, Vincent Lejeune wrote:

>On December 04, 2003 at 02:27:35, Vincent Lejeune wrote:
>
>>On December 03, 2003 at 15:54:45, Tord Romstad wrote:
>>
>>>On December 03, 2003 at 14:59:03, Robert Hyatt wrote:
>>>
>>>>=====================10 seconds per position========================
>>>>test results summary:
>>>>
>>>>total positions searched..........         300
>>>>number right......................         299
>>>
>>>That's really impressive, even considering the fast hardware.  The last
>>>time I tried, I got 289/300 at 1 second/position, 293/300 at 3 seconds,
>>>294/300 at 5 seconds, 295/300 at 10 seconds, and 298/300 at 20 seconds.
>>>
>>>The remaining two positions, number 100 and 230, are *never* solved.
>>>I can let my program analyse for hours, but it still doesn't find
>>>the solutions.  In both positions, it thinks it is winning, but
>>>never finds the right moves.
>>>
>>>In number 100, Gothmog switches back and forth between Be3 and Kb3, both
>>>with a score around +4.  In number 230, it plays Rh7 with a score around
>>>+3.3.
>>
>>Hiarcs 9,5 best moves after 8h of thinking on an AMD barton 2800+ :
>>WAC.230
>>2b5/1r6/2kBp1p1/p2pP1P1/2pP4/1pP3K1/1R3P2/8 b - - 0 1
>>
>>Analysis by Hiarcs 9:
>>
>>1. -+ (-1.82): 1...Th7 2.Tb1 a4 3.Fa3 Th5 4.f4
>>2. -+ (-1.82): 1...a4 2.Fa3 Th7 3.Tb1 Th5 4.f4
>>3. -+ (-1.82): 1...Tf7 2.Fa3 Th7 3.Tb1 Th5 4.f4 a4 5.Ta1 Fb7 6.Fb2 Rb5 7.Te1 Th8
>>8.Rg2
>>4. -+ (-1.82): 1...Tg7 2.Fa3 Th7 3.Tb1 Th5 4.f4 a4 5.Ta1 Fb7 6.Fb2 Rb5 7.Te1 Th8
>>8.Rg2
>>5. -+ (-1.82): 1...Td7 2.Fa3 Th7 3.Tb1 Th5 4.f4 a4 5.Ta1 Fb7 6.Fb2 Rb5 7.Te1 Th8
>>8.Rg2
>>
>
>moves 1...Rb4 2.Cxb4 a4 played analysis after 10h, searching only THE best move,
>Hiarcs 9 don't find a winning sequence !!
>Is Rb4 really winning ???
>
>
>[d]2b5/8/2kBp1p1/3pP1P1/pPpP4/1p4K1/1R3P2/8 w - - 0 1
>
>Analysis by Hiarcs 9:
>
>3.Rf4 c3
>  +-  (1.88)   Profondeur: 1/2   00:00:00
>3.Rf4 c3
>  -+  (-1.46)   Profondeur: 2/3   00:00:00
>3.Rf4 c3
>  -+  (-1.46)   Profondeur: 2/3   00:00:00
>3.b5+ Rxb5 4.Tb1
>  ³  (-0.49)   Profondeur: 2/3   00:00:00
>3.b5+ Rxb5 4.Tb1
>  ±  (0.96)   Profondeur: 2/3   00:00:00
>3.b5+ Rxb5 4.Tb1
>  ±  (0.74)   Profondeur: 3/4   00:00:00
>3.b5+ Rxb5 4.Tb1
>  =  (0.18)   Profondeur: 4/5   00:00:00
>3.b5+ Rxb5
>  =  (0.18)   Profondeur: 4/5   00:00:00
>3.b5+ Rxb5
>  =  (-0.08)   Profondeur: 5/7   00:00:00
>3.b5+ Rxb5 4.Tb1 c3 5.Fa3 Rc4 6.Rf4
>  -+  (-1.46)   Profondeur: 5/7   00:00:00
>3.b5+ Rxb5 4.Tb1 c3 5.Fa3 Rc4 6.Rf4
>  µ  (-1.17)   Profondeur: 6/14   00:00:00
>3.b5+ Rxb5
>  µ  (-1.17)   Profondeur: 6/14   00:00:00
>3.b5+ Rxb5
>  -+  (-1.46)   Profondeur: 7/14   00:00:00
>3.b5+ Rd7
>  -+  (-1.46)   Profondeur: 7/14   00:00:00  1kN
>3.b5+ Rd7
>  µ  (-1.17)   Profondeur: 8/17   00:00:00  2kN
>3.b5+ Rxb5
>  µ  (-1.17)   Profondeur: 8/18   00:00:00  3kN
>3.b5+ Rxb5
>  -+  (-1.46)   Profondeur: 9/18   00:00:00  3kN
>3.b5+ Rxb5
>  -+  (-1.46)   Profondeur: 9/18   00:00:00  5kN
>3.b5+ Rxb5 4.Tb1 c3 5.Fa3 Rc4 6.Rf4
>  -+  (-1.46)   Profondeur: 10/18   00:00:00  8kN
>3.b5+ Rxb5 4.Tb1 c3 5.Fa3 Rc4 6.Rf4
>  -+  (-1.46)   Profondeur: 11/18   00:00:00  15kN
>3.b5+ Rxb5 4.Tb1 c3 5.Fa3 Rc4 6.Rf4
>  -+  (-1.46)   Profondeur: 12/19   00:00:00  30kN
>3.b5+ Rxb5 4.Tb1 c3 5.Fa3 Rc4 6.Rf4
>  -+  (-1.46)   Profondeur: 13/26   00:00:01  491kN
>3.b5+ Rxb5 4.Tb1 c3 5.Fa3 Rc4 6.Rf4 Rxd4 7.f3 Fa6 8.Tb2 c2
>  -+  (-1.65)   Profondeur: 14/36   00:00:55  17715kN
>3.b5+ Rxb5 4.Tb1 c3 5.Fa3 Rc4 6.Rf4 Rxd4 7.Th1 Rd3 8.Tb1
>  -+  (-1.74)   Profondeur: 15/40   00:03:18  63121kN
>3.b5+ Rxb5
>  -+  (-1.82)   Profondeur: 16/43   00:10:18  201292kN
>3.b5+ Rxb5
>  -+  (-1.82)   Profondeur: 17/44   00:36:44  706477kN, tb=4
>3.b5+ Rxb5
>  -+  (-1.82)   Profondeur: 18/49   01:37:44  1930751kN, tb=13
>3.b5+ Rxb5
>  -+  (-1.82)   Profondeur: 19/51   04:43:24  5639009kN, tb=88
>

After 3.b5 Kxb5 4.Rb1 c3 5.Ba3; the score continue to rise convincingly; Hiracs
would need a lot of effort to find the WAC 230 from the starting position !!! :)


[d]2b5/8/4p1p1/1k1pP1P1/p2P4/Bpp3K1/5P2/1R6 b - - 0 1

Analysis by Hiarcs 9:

5...Rc4 6.f3 Rxd4 7.f4 Rc4 8.Tc1 Fb7
  -+  (-1.95)   Profondeur: 14/3   00:00:00
5...Rc4 6.f3 Rxd4 7.f4 Rc4 8.Tc1 Fb7
  -+  (-1.95)   Profondeur: 14/3   00:00:00
5...Rc4 6.f3 Rxd4 7.f4 Rc4 8.Tc1 Fb7
  -+  (-1.95)   Profondeur: 14/3   00:00:00
5...Rc4 6.f3 Rxd4 7.f4 Rc4 8.Tc1 Fb7
  -+  (-1.95)   Profondeur: 14/3   00:00:00
5...Rc4 6.f3 Rxd4 7.f4 Rc4 8.Tc1 Fb7
  -+  (-1.95)   Profondeur: 14/3   00:00:00
5...Rc4 6.f3 Rxd4 7.f4 Rc4 8.Tc1 Fb7
  -+  (-1.95)   Profondeur: 14/3   00:00:00
5...Rc4 6.f3 Rxd4 7.f4 Rc4 8.Tc1 Fb7
  -+  (-1.95)   Profondeur: 14/3   00:00:00
5...Rc4 6.f3 Rxd4 7.f4 Rc4 8.Tc1 Fb7
  -+  (-1.95)   Profondeur: 14/3   00:00:00
5...Rc4 6.f3 Rxd4 7.f4 Rc4 8.Tc1 Fb7
  -+  (-1.95)   Profondeur: 14/3   00:00:00
5...Rc4 6.f3 Rxd4 7.f4 Rc4 8.Tc1 Fb7
  -+  (-1.95)   Profondeur: 14/3   00:00:00
5...Rc4 6.f3 Rxd4 7.f4 Rc4 8.Tc1 Fb7
  -+  (-1.95)   Profondeur: 14/3   00:00:00
5...Rc4 6.f3 Rxd4 7.f4 Rc4 8.Tc1 Fb7
  -+  (-1.95)   Profondeur: 14/3   00:00:00
5...Rc4 6.f3 Rxd4 7.f4 Rc4 8.Tc1 Fb7
  -+  (-1.95)   Profondeur: 14/3   00:00:00
5...Rc4 6.f3 Rxd4 7.f4 Rc4 8.Tc1 Fb7
  -+  (-1.95)   Profondeur: 14/3   00:00:00
5...Rc4 6.f3 Rxd4 7.f4 Rc4 8.Tc1 Fb7
  -+  (-1.95)   Profondeur: 14/3   00:00:00
5...Rc4 6.f3 Rxd4 7.f4 Rc4 8.Tc1 Fb7
  -+  (-1.95)   Profondeur: 14/3   00:00:00
5...Rc4 6.f3 Rxd4 7.f4 Rc4 8.Tc1 Fb7
  -+  (-1.95)   Profondeur: 14/3   00:00:00
5...Rc4 6.Rf4 Rxd4
  -+  (-2.10)   Profondeur: 14/35   00:02:56  57359kN
5...Rc4 6.f4 Rxd4
  -+  (-2.30)   Profondeur: 15/39   00:23:51  436224kN
5...Rc4 6.Tc1 Rxd4 7.Td1+ Rc4 8.Tb1 d4 9.Rf4 Rd5 10.Fc1 Fa6 11.Fa3 Fb5
  -+  (-2.52)   Profondeur: 16/43   01:21:43  1606213kN
5...Rc4 6.f4 Rxd4
  -+  (-2.74)   Profondeur: 17/43   04:20:54  5201739kN, tb=25

>
>>
>>>
>>>What tricks do you use which helps you solve WAC100 and/or WAC230?
>>>
>>>And, I *REALLY* hope you're *NOT* planning to use that machine at CCT6,
>>>because I'm probably going to be there with my PIV 2.4 GHz, searching
>>>less than 200 kn/s ...   :-)
>>>
>>>Tord



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