Author: Dieter Buerssner
Date: 11:23:14 09/16/01
Go up one level in this thread
On September 15, 2001 at 23:37:17, Uri Blass wrote:
>How much time do your programs need to find 19.Qf1?
See below.
>Deep Fritz on PIII850(64 Mbytes hash) needed more than 2 hours to find this move
>and even after more than 5 hours it cannot se that the line 19.Qf1 Nxe4 is a
>clear advantage for white.
>
>Deep Fritz missed 24.h4 in it's main line.
In the line below (Yace gets the same line), when doing all the moves, Yace sees
a big advantage for Qg4 soon (and also a big but smaller advantage for h4).
[Deep Fritz]
>19.Qf1 Nxe4 20.Qf4 cxb2 21.Rh5 Nf6 22.Rh6 Ne4 23.Qf5 Ng5 24.Qg4
> = (0.03) Depth: 17/46 05:09:19 10158100kN
Yace, K6-2 475, 35M hash:
8110597 1:05.5 -0.82 8. 1.Bxc3 Qxe4 2.Rf2 d5 3.Qa6 Rc8 4.Re1 Qh4 5.Rfe2
{-180}
10157809 1:24.0 -0.69 9t 1.Bxc3 Qxe4 2.Rf2 Rd7 3.Re1 Qh4 4.g3 Qg5 5.Qe6
Rb7 {-180}
26441293 3:41.9 -0.69 9. 1.Bxc3 Qxe4 2.Rf2 Rd7 3.Re1 Qh4 4.g3 Qg5 5.Qe6
Rb7 {-180}
31559943 4:26.7 -0.87 10t 1.Bxc3 Qxe4 2.Rf2 d5 3.Qa6 d4 4.Bd2 Qh4 5.Re2
Qg4 {HT} {-180}
134015558 18:41.2 -0.87 10. 1.Bxc3 Qxe4 2.Rf2 d5 3.Qa6 d4 4.Bd2 Qh4 5.Re2
Qg4 {HT} {-180}
148984406 20:49.3 -1.04 11t 1.Bxc3 Qxe4 2.Rf2 d5 3.Qa6 Qg4 4.Rfd2 Rd6 5.h3
Qd7 6.Be5 Rxf7 {-260}
213935781 29:32.8 -1.03 11t+ 1.Rg5 d5 2.exd5 Rxd5 3.Rxd5 Nxd5 4.Qf3 a5
5.bxc3 Nxc3+ 6.Bxc3 Qxb3+ 7.cxb3 Bf6
295123500 41:17.5 -0.93 11t 1.Rg5 d5 2.Bxc3 Qxe4 3.Qxe4 dxe4 4.Bd4 Bb7
5.Rb5 Bc8 6.h3 Rd7 7.Re5 Bb7 {-180}
564220184 1:20:12 -0.92 11t+ 1.Qf1 Nxe4 2.Rh5 Bg5 3.Qf5 d5 4.Rxg5 Nxg5
5.Qxg5 Qa3 6.bxa3 Rxf7 {851}
586940921 1:23:33 -0.72 11t 1.Qf1 Nxe4 2.Rh5 Nf6 3.Rh6 Ng4 4.Re6 Qb7 5.Qe2
Ne5 6.Bxc3 {HT} {-180}
607773594 1:26:33 -0.72 11. 1.Qf1 Nxe4 2.Rh5 Nf6 3.Rh6 Ng4 4.Re6 Qb7 5.Qe2
Ne5 6.Bxc3 {HT} {-180}
670136487 1:35:27 -0.32 12++ 1.Qf1 Nxe4 2.Rh5 Nf6 3.Rh6 Ng4 4.Qf4 Nxh6
5.Bxg7+ Kxg7 6.Qxb4 Kh8 7.Qxc3+ Bf6 {51}
742640039 1:46:15 0.00 12t 1.Qf1 Nxe4 2.Rh5 Nf6 3.Rh6 Qxd4 4.Rxd4 gxh6
5.Qe1 Rd7 6.Be6 Rdd8 7.Bb3 Rd7H 8.Be6H Rdd8
9.Bb3HR {-109}
1008898395 2:22:25 0.00 12. 1.Qf1 Nxe4 2.Rh5 Nf6 3.Rh6 Qxd4 4.Rxd4 gxh6
5.Qe1 Rd7 6.Be6 Rdd8 7.Bb3 Rd7 8.Be6 Rdd8 9.Bb3
{-109}
1484194993 3:26:33 0.04 13t 1.Qf1 Nxe4 2.Qf4 cxb2 3.Rh5 Nf6 4.Rh6 Ne4 5.Qf5
Ng5 6.Qg4 Be4 7.Rxh7+ Bxh7 8.Bxg7+ {HT} {-680}
Regards,
Dieter
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