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Subject: Re: Problem with Rybka 1.01 ?? PGN full game listing

Author: Arnold Gove

Date: 13:23:33 12/22/05

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On December 22, 2005 at 15:44:30, Barry Culp wrote:

>Since Chessbase has had "issues" in the past with UCI engines, I tried the same
>position and engines with an older Fritz 8 GUI. The results are the same , Rybka
>1.0 finds the move Ke2 where Rybka 1.01 seems to hang up ?
>

[D] r6k/6p1/pq1pB1Pp/2nP1R2/2Q2p2/P1R2P2/2PK3P/1r6 w - - 0 1

Rybka Preview 2 hung on this position after a few minutes on my old PIII 1000
when I tried it in ChessBase 9 (with the latest update), but seems okay so far
in Chess Assistant 8.1:

 [³/µ]  d=15  1.Ke2 Re8 (0:19.32)
 [°]  d=15  1.Rh5 Nxe6 2.dxe6 Qf2 (0:08.53)
 [³]  d=14  1.Rh5 Nxe6 2.dxe6 Re8 3.Rb3 Rxb3 4.cxb3 Qe3 5.Kc2 Qf2 6.Kb1 Qg1
7.Kb2 Qxg6 (0:03.06)
 [=/³]  d=13  1.Rh5 Nxe6 2.dxe6 Re8 3.Rb3 Qf2 4.Qe2 Qxe2 5.Kxe2 Rg1 6.Kd3 Rxg6
7.Rf5 Rgxe6 (0:01.34)
 [=/³]  d=12  1.Rh5 Nxe6 2.dxe6 Re8 3.Rb3 Qf2 4.Qe2 Qxe2 5.Kxe2 Rg1 6.Kd3 Rxg6
7.Rf5 (0:00.50)
 [=/³]  d=11  1.Rh5 Nxe6 2.dxe6 Re8 3.Rb3 Qf2 4.Qe2 Qxe2 5.Kxe2 Rg1 6.Kd3 Rxg6
(0:00.27)
 [=]  d=10  1.Rh5 Nb7 2.Rb3 Qf2 3.Qe2 Qd4 4.Qd3 Qf2 5.Qe2 Qd4 6.Qd3 Qf2 7.Qe2
Qd4 (0:00.12)
 [=]  d=9  1.Rh5 Nb7 2.Rb3 Qf2 3.Qe2 Qd4 4.Qd3 Qf2 5.Qe2 Qd4 6.Qd3 Qf2 7.Qe2 Qd4
(0:00.06)
 [=]  d=8  1.Rh5 Nb7 2.Rb3 Qf2 3.Qe2 Qd4 4.Qd3 (0:00.02)
 [=]  d=7  1.Rh5 Nb7 2.Rb3 Qf2 3.Qe2 (0:00.01)
 [=]  d=6  1.Rh5 Nb7 2.Rb3 (0:00.01)
 [²/=]  d=5  1.Rh5 Nxe6 (0:00.00)
 [=]  d=5  1.Ke2 Re8 (0:00.00)
 [²]  d=4  1.Ke2 (0:00.00)
 [²]  d=3  1.Ke2 (0:00.00)
 [=]  d=3  1.Rh5 (0:00.00)
 [=/³]  d=3  1.Re5 (0:00.00)
 [µ]  d=3  1.a4 (0:00.00)
 [µ]  d=3  1.h3 (0:00.00)
 [µ]  d=3  1.h4 (0:00.00)



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