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Subject: Re: A Reply to Dann Corbit on the Nxg6 Combination

Author: Kurt Utzinger

Date: 12:24:54 12/03/01

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On December 03, 2001 at 10:54:29, ALI MIRAFZALI wrote:

>First I like to say that Phalanx is much waeker than CM8000.Secondly I said
>chess as pratically solved ;which is a far cry from from it being actually
>solved.Thirdly the analysis by Phalanx proves nothing.At the slowest time
>control which is 40/2 the program has only an average of 3 minutes to see
>that Nxg6 actually wins .It should have at least a plus 1 pawn evaluation
>or more after 3 min.Also the full analysis of why Nxg6 is winning is
>19 plys deep.Even DeepBlue could not not reach 19 plys in 3 minutes.
>Fourthly you claim if Phalanx did reach a certain point if would play e6
>and not exd6 but you offer no proof.The point here is that programs DONOT
>understand the Position after 19.Nxg6.And hence do not see the winng lines all
>the way to the end .And this DOES MATTER.

Why are you coming up again with this position. I thought we had fully discussed
the actual situation. Furthermore I posted the solution find by Gandalf 4.32h
some days ago:

Analysis by Gandalf 4.32h: 1.Lf2 dxe5
  µ  (-0.96)   Tiefe: 2   00:00:00
1.exd6
  µ  (-0.94)   Tiefe: 2   00:00:00
1.exd6 Dxd6 2.c5
  ²  (0.38)   Tiefe: 2   00:00:00
1.exd6 Df6 2.Lf2 Sxd6
  =  (0.00)   Tiefe: 3   00:00:00
1.exd6 Df6 2.Lf2 Sxd6
  =  (0.00)   Tiefe: 4   00:00:00
1.Lxh5
  =  (0.01)   Tiefe: 4   00:00:00
1.Lxh5 fxg3 2.Sxg6 De6 3.Sxf8+ Sxf8
  ±  (0.84)   Tiefe: 4   00:00:00
1.Lxh5 gxh5 2.Sxf5 De6 3.Sxh6+ Kxh6 4.Lxf4+ Kg7
  ±  (0.97)   Tiefe: 5   00:00:00  54kN
1.Lxh5 Sh8 2.Sxg6 Sxg6 3.Lxg6+ Kxg6 4.exd6 Dxd6 5.Lh4
  ²  (0.38)   Tiefe: 6   00:00:00  181kN
1.Lxh5 Sh8 2.Lf2 dxe5 3.dxe5 gxh5 4.Sxf5 De6
  =  (-0.17)   Tiefe: 7   00:00:01  473kN
1.Lxh5 Sh8 2.Lf2 dxe5 3.dxe5 gxh5 4.Sxf5 De6 5.Sd4+ Dg6
  =  (0.04)   Tiefe: 8   00:00:05  1300kN
1.exd6
  =  (0.06)   Tiefe: 8   00:00:06  1950kN
1.Lxh5 Sh8 2.Lf2 dxe5 3.dxe5 Sxe5 4.Sf3 Sxf3+ 5.Lxf3 Le6
  =  (0.04)   Tiefe: 9   00:00:13  4400kN
1.exd6
  =  (0.06)   Tiefe: 9   00:00:16  4950kN
1.exd6 Dxd6 2.c5 Dc7 3.Lxh5 gxh5 4.Dxf5+ Kh8 5.Sg6+ Kg8
  =  (0.09)   Tiefe: 9   00:00:19  6450kN
1.Sxg6
  =  (0.11)   Tiefe: 9   00:00:22  7650kN
1.Sxg6 Kxg6 2.Dxf5+ Kg7 3.Ld3 Th8 4.Lxf4 Lxf4 5.Dxf4 dxe5
  =  (0.22)   Tiefe: 9   00:00:27  9300kN
1.Sxg6 Kxg6 2.Dxf5+ Kg7 3.Ld3 Th8 4.Dg6+ Kf8 5.e6 fxg3
  =  (-0.04)   Tiefe: 10   00:00:56  20850kN
1.exd6
  =  (-0.03)   Tiefe: 10   00:00:58  21550kN
1.exd6 Dxd6 2.Lf2 Sf6 3.d5 cxd5 4.Sxd5 Sxd5 5.Txd5 Dc6
  =  (0.16)   Tiefe: 10   00:01:20  28300kN
1.exd6 Dxd6 2.c5 Dc7 3.Lxh5 gxh5 4.Dxf5+ Kg8 5.Dg6+ Kh8
  =  (0.16)   Tiefe: 11   00:02:42  56500kN
1.Sxg6
  =  (0.17)   Tiefe: 11   00:02:47  58100kN
1.Sxg6 Kxg6 2.Dxf5+ Kg7 3.Ld3 Th8 4.Dg6+ Kf8 5.e6 fxg3
  ²  (0.68)   Tiefe: 11   00:04:13  92200kN (Utzinger, MyTown 30.11.2001)



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