Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: What says you Christophe?

Author: Eduard Nemeth

Date: 13:19:34 09/03/01

Go up one level in this thread


On September 03, 2001 at 15:57:14, Uri Blass wrote:

>On September 03, 2001 at 14:50:27, Eduard Nemeth wrote:
>
>>I played a game against Tiger 14 today (120'/40 Level), see my post "Golden
>>eyes", and Tiger thinking and thinking...but makes bad moves. Ok, this first
>>game was a HARD tactical position for computers.
>>
>>I played now an another game against Tiger 14 and I played the NORMAL "Two
>>Kings" variation. But what makes Tiger? He played after 15 minutes (!) on a BAD
>>move. I can this not understand, sorry!
>
>I believe that the main problem of tiger here is
>the fact that tiger is a preprocessor.
>
>If you compare the evaluation after 12.Nf6+ gxf6 and the evaluation
>after 12.gxf3 Ne7 you can see that tiger's evaluation is better after
>12.gxf3 Ne7 and not after 12.Nf6+ gxf6 but tiger cannot see
>it's evaluation after these moves in the root position.
>
>Tiger14's analysis after 12.Nf6+ gxf6
>Chess Tiger 14.0 - Blass,U
>[D]r3k2r/ppp1Bp1p/2n2p2/7q/3p4/5b2/PPP2PPP/R2QR1K1 w kq - 0 1
>
>Analysis by Chess Tiger 14.0:
>
>13.Bxf6+ Kd7 14.Qxf3 Qxf3 15.gxf3 Rhg8+ 16.Kh1 Rg6 17.Bh4 Rag8 18.Re4
>  =  (-0.12)   Depth: 8   00:00:00  94kN
>13.Bxf6+ Kd7 14.Qxf3 Qxf3 15.gxf3 Rhg8+ 16.Kf1 Rg6 17.Bh4 Rag8 18.Bg3 Nb4 19.Re2
>  =  (-0.18)   Depth: 9   00:00:00  195kN
>13.Bxf6+ Kd7 14.Qxf3 Qxf3 15.gxf3 Rhg8+ 16.Kf1 Rg6 17.Bh4 Rag8 18.Bg3 Nb4 19.Re2
>  =  (-0.18)   Depth: 10   00:00:02  509kN
>13.Bxf6+ Kd7 14.Qxf3 Qxf3 15.gxf3 Rhg8+ 16.Kh1 Rg6 17.Bh4 Rag8 18.Rad1 a6 19.Bg3
>h6 20.Re4
>  =  (-0.06)   Depth: 11   00:00:04  1171kN
>13.Bxf6+ Kd7 14.Qxf3 Qxf3 15.gxf3 Rhg8+ 16.Kh1 Rg6 17.Bh4 Rag8 18.Rad1 f6 19.Re3
>f5 20.f4
>  =  (-0.10)   Depth: 12   00:00:10  2554kN
>13.Bxf6+ Kd7 14.Qxf3 Qxf3 15.gxf3 Rhg8+ 16.Kh1 Rg6 17.Bh4 Rag8 18.Rad1 a6 19.Bg3
>h6 20.Kg2 f5 21.Re3
>  =  (0.00)   Depth: 13   00:00:24  6135kN
>
>(Blass, Tel-aviv 03.09.2001)
>
>
>Tiger14's analysis after 12.gxf3 Ne7
>Chess Tiger 14.0 - Blass,U
>[D]r3k2r/ppp1nppp/8/7q/3pN3/5P2/PPP2P1P/R2QR1K1 w kq - 0 1
>
>Analysis by Chess Tiger 14.0:
>
>13.Qxd4 0-0 14.Nf6+ gxf6 15.Rxe7 Qxf3 16.Rxc7 Rac8
>  =  (0.10)   Depth: 8   00:00:00  87kN
>13.Qxd4 0-0 14.Nf6+ gxf6 15.Rxe7 Qxf3 16.Rxc7 Rac8 17.Qd7 Rxc7 18.Qxc7
>  =  (0.10)   Depth: 8   00:00:00  136kN
>13.Qxd4 0-0 14.Nf6+ gxf6 15.Rxe7 Qxf3 16.Rae1 Qc6 17.Qg4+ Kh8 18.Qf5
>  ²  (0.54)   Depth: 9   00:00:04  849kN
>13.Qxd4 0-0 14.Nf6+ gxf6 15.Rxe7 Qxf3 16.Rae1 Kh8 17.Qe4 Rg8+ 18.Kf1 Qh3+ 19.Ke2
>  ²  (0.26)   Depth: 10   00:00:05  1144kN
>13.Qxd4 0-0 14.Nf6+ gxf6 15.Rxe7 Qxf3 16.Qd3 Qxd3 17.cxd3 Rac8 18.Rc1 Rfe8
>19.Rcxc7 Rxc7 20.Rxc7
>  ²  (0.34)   Depth: 11   00:00:10  2169kN
>13.Qxd4 0-0 14.Nf6+ gxf6 15.Rxe7 Qxf3 16.Qd3 Qxd3 17.cxd3 Rac8 18.Rc1 Rfe8
>19.Rcxc7 Rxc7 20.Rxc7
>  ²  (0.34)   Depth: 12   00:00:18  3899kN
>13.Qxd4 0-0 14.Nf6+ gxf6 15.Rxe7 Qxf3 16.Qd3 Qxd3 17.cxd3 Rac8 18.Rc1 Rfe8
>19.Rcxc7 Rxc7 20.Rxe8+ Kg7 21.d4
>  ²  (0.32)   Depth: 13   00:00:40  8741kN
>
>(Blass, Tel-aviv 03.09.2001)
>
>Uri

I see this. nevertheless is my opinion that for move 12 (after 15 minutes!)
a program must another play and NOT Nf6+, and the score > +0.60 is FANTASY!

this is now real:

Neue Stellung

[D]r5r1/pppk1p1p/2n2B2/8/3p4/5P2/PPP2P1P/R3R1K1 w - - 0 1

Analysis by Chess Tiger 14.0:

11.Kf1 Tg6 2.Lh4 Tag8 3.Lg3 Sb4 4.Tad1 c5 5.c3 Sc6 6.cxd4 cxd4 7.Ke2 Ke6 8.Kd3+
Kd5 9.a3 f5
  =  (-0.14)   Tiefe: 16   00:03:00  29677kN
1.Kf1 Tg6 2.Lh4 Tag8 3.Ted1 h5 4.Lg3 Kc8 5.Tac1 f5 6.h4 f4 7.Lxf4 Tf6 8.Lg3 Txf3
9.Ke2
  =  (-0.20)   Tiefe: 17   00:07:04  72212kN

Eduard





This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.