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Subject: Re: Engines do not get fooled by easy sacrifices anymore -game POS from 1985

Author: Vincent Lejeune

Date: 07:43:35 11/10/03

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On November 09, 2003 at 20:57:35, Cliff Sears wrote:

>Interesting position on how engines can look much deeper today.
>
>This position was from a game by
>Novag Monster Y vs.Daniel King in 1985 (from his book Kasparov v Deeper Blue)
>
>
>1q3bk1/R4pp1/5r2/5Q1p/1p4n1/5BP1/1PP4P/6BK w - - 0 1
>
>Many engines still byte on this early in their analysis but generally see the
>correct position after D9

subsidiary question : how much time to find better than 2.5 advantage for black
after Qxh5? ?

[d]1q3bk1/R4pp1/5r2/7Q/1p4n1/5BP1/1PP4P/6BK b - - 0 1

Hiarcs 6m49s

AMD Barton 2800+

Analysis by Hiarcs 9:
...
1...Txf3 2.Dxg4 Tf6 3.Fd4
  +-  (1.41)   Profondeur: 5/16   00:00:00  5kN
1...Txf3 2.Dxg4 Tf1 3.Dd4 Dc8
  =  (0.11)   Profondeur: 5/16   00:00:00  11kN
1...Txf3 2.Dxg4 Tf1 3.Dd4 Db5 4.Rg2 Tc1 5.Dd2
  ²  (0.34)   Profondeur: 6/20   00:00:00  32kN
1...Txf3 2.Dxg4 Tf1 3.Dd4 Db5 4.Rg2 Tc1 5.Dd2
  =  (0.09)   Profondeur: 7/20   00:00:00  83kN
1...Txf3 2.Dxg4 Tf1 3.Dd4 De8 4.Rg2 De2+
  =  (-0.09)   Profondeur: 7/21   00:00:00  101kN
1...Txf3 2.Dxg4 Tf1 3.Dd4 De8 4.Rg2 De2+ 5.Rh3 Dxc2 6.Fe3 Df5+
  =  (-0.16)   Profondeur: 8/23   00:00:01  286kN
1...Txf3 2.Dxg4 Tf1 3.Dd4 Dc8 4.Rg2 Tc1 5.c3 Tc2+ 6.Ff2 Txb2 7.cxb4
  ³  (-0.32)   Profondeur: 9/25   00:00:02  789kN
1...Txf3 2.Dxg4 Tf1 3.Dd4 Dc8 4.Rg2 Tc1 5.c3 Tc2+ 6.Ff2 Txb2 7.cxb4
  ³  (-0.57)   Profondeur: 10/29   00:00:06  1965kN
1...Txf3 2.Dxg4 Tf1 3.Dd4 De8 4.h4 Dc6+ 5.Rh2 Dxc2+ 6.Rh3 De2 7.Ta5 Te1
  µ  (-1.02)   Profondeur: 10/31   00:00:08  2403kN
1...Txf3 2.Dxg4 Tf1 3.Dd4 Db5 4.Tc7 Df5 5.Dd2 Td1 6.Dg2 Fc5 7.Txc5 Dxc5
  µ  (-1.19)   Profondeur: 11/33   00:00:21  6385kN
1...Txf3 2.Dxg4 Tf1 3.Dd4 Db5 4.Tc7 Df5 5.Dd2 Td1 6.Dg2 Fc5 7.Txc5 Dxc5
  -+  (-1.44)   Profondeur: 12/34   00:00:44  13522kN, tb=1
1...Txf3 2.Dxg4 Tf1 3.Dd4 Db5
  -+  (-1.44)   Profondeur: 12/34   00:00:48  14614kN, tb=1
1...Txf3 2.Dxg4 Tf1 3.Dd4 Db5
  -+  (-1.69)   Profondeur: 13/39   00:02:10  39309kN, tb=1
1...Txf3 2.Dxg4 Tf1 3.Dd4 Dc8 4.Rg2 Txg1+ 5.Dxg1 Fc5 6.De1 Dc6+ 7.Rh3 Fxa7
  -+  (-2.76)   Profondeur: 13/41   00:06:49  120999kN, tb=8

• Re: Engines do not get fooled by easy sacrifices anymore -game POS from 1985 Vincent Lejeune 07:51:23 11/10/03
  • Re: Engines do not get fooled by easy sacrifices anymore -game POS from 1985 Uri Blass 09:35:43 11/10/03

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