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Subject: Re: Positions from Tao vs Ruffian matches

Author: Bryan Hofmann

Date: 08:19:26 05/08/04

On May 08, 2004 at 10:04:47, Johan Havegheer wrote:

>On May 08, 2004 at 08:54:55, Bryan Hofmann wrote:
>
>>[D]8/5k1p/3p2r1/PP3p2/3Rn3/B1r4P/1R5K/8 w - - 1 49
>>
>>In move 49 Tao finds Rxe4 at PLY 9 in only 10 seconds. Most other engines take
>>much longer and would have lost this game. I would like to see what the
>>commercial engines do in this position. (game PGN is below round 13)
>>
>>
>>
>
>Ruffian 2.1.0 needs 22sec an AMDXP2800+
>Analysis by Ruffian 2.1.0:
>
>-+  (-3.86) 1.h4 Txa3   00:00:00
>-+  (-3.33) 1.a6 Txa3   00:00:00
>²  (0.33) 1.Lb4   00:00:00
>=  (0.22) 1.Lb4 Tcg3   00:00:00
>±  (0.73) 1.Lb4 Tcg3 2.a6   00:00:00
>±  (1.01) 1.Lb4 Tf3 2.Tg2 Kf8   00:00:00
>±  (0.79) 1.Lb4 Pg5 2.Tf2 Txh3+ 3.Kg2 Pf3+ 4.Kxh3 Pxd4   00:00:00
>²  (0.46) 1.Lb4 Pg5 2.Tf2 Pf3+ 3.Txf3 Txf3 4.Lxd6 Tf2+ 5.Kh1   00:00:00
>²  (0.50) 1.Lb4 Pg5 2.Tf4 Txh3+ 3.Kg2 Pe6+ 4.Kxh3 Pxf4+ 5.Kh2 Ke6   00:00:00
>=  (0.20) 1.Lb4 Pg5 2.Tf4 Txh3+ 3.Kg2 Th5 4.Kf1 Ph3 5.Tc4   00:00:00
>³  (-0.38) 1.Lb4 Pg5 2.Tf2 Txh3+ 3.Kg2 Tb3 4.Kf1 Tb1+ 5.Ke2 Te6+ 6.Kd3 Kg6
>00:00:00
>=  (0.00) 1.Lb4 Pg5 2.Tf2 Pf3+ 3.Txf3 Txf3 4.Lxd6 Tf2+ 5.Kh1 Tf1+ 6.Kh2 Tf2+
>00:00:01
>=  (-0.21) 1.Lb4 Pg5 2.Tf2 Txh3+ 3.Kg2 Tb3 4.Kf1 Tb1+ 5.Ke2 Te6+ 6.Kd3 Kg6 7.Tg2
>h5   00:00:02
>=  (0.00) 1.Lb4 Pg5 2.Tf2 Txh3+ 3.Kg2 Tb3 4.Kf1 Tb1+ 5.Ke2 Tb2+ 6.Kf1 Tb1+
>00:00:04
>=  (0.00) 1.Lb4 Pg5 2.Tf2 Txh3+ 3.Kg2 Tb3 4.Kf1 Tb1+ 5.Ke2 Tb2+ 6.Kf1 Tb1+
>00:00:17
>²  (0.35) 1.Txe4   00:00:22
>²  (0.36) 1.Txe4 fxe4 2.Lb4 Tc8 3.b6 d5 4.b7 Tb8 5.Le1 e3 6.Lg3 e2 7.Tb1 Txg3
>8.Kxg3 d4   00:00:24
>²  (0.54) 1.Txe4 fxe4 2.Lb4 Tc8 3.b6 Tb8 4.Lc3 d5 5.Ld4 Te6 6.a6 Tee8 7.a7 Tb7
>8.Tf2+ Ke6 9.Kg3   00:00:32
>
>(Johan Havegheer, Diksmuide 08.05.2004)


Thanks, I'm very interested in seeing 2.1.0 output for the second position if
you can. 1.0.5 did not see the a4 move coming.

[D]r1q3k1/pp1R1pb1/2n1r2p/3Q2p1/2P5/1P4B1/P4PPP/2KN3R b - - 6 22

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