Author: Dieter Buerssner
Date: 14:20:34 06/30/04
Go up one level in this thread
On June 30, 2004 at 16:53:50, Stuart Cracraft wrote:
>On June 30, 2004 at 08:56:28, Daniel Jackson wrote:
>
>>2r4k/ppqbpp1p/3p1npQ/3R4/2r1P1P1/2N2P2/PPP1N3/1K5R w
>>
>>
>>I tested this position with the Mach III Master back in 1989, it took about
>>1hr.09min. to find Rf5!! with the double threat of Rxf6! and Nd5!
>>
>>Daniel
>
>Woops -- I take that back. Hit it on the 11th ply though possibly not
>for the right reason but unknown without the PV. Took about 4 hours 40
>minutes. This box is about 3-4x slower than the P4 models out now so I'd
>expect about 1 hour for the solution. That's a big difference from the
>tiny cpu's Dan and Kathe Spracklen were running. I wouldn't expect
>this problem to be much of an issue for today's crop of PC programs,
>certainly nothing like even an hour. Probably just a few minutes.
>Wish there were other takers for this challenge. This is getting boring.
Doesn't seem too difficult for Yace. 7 s on P4 2.53 Ghz. I guess others will
solve it in a second.
1180559 1.464 0.14 7. 1.Rd2 Bc6 2.g5 Nh5 3.Nf4 Qb6 4.Ncd5 Bxd5 5.Nxd5
{-80}
1809014 2.380 0.21 8t 1.Rd2 Be6 2.Nd4 Rxc3 3.Nxe6 fxe6 4.bxc3 Qxc3
5.Rdh2 Kg8 {0}
2838085 3.857 0.22 8t+ 1.Rd3 Rc5 2.g5 Nh5 3.Nf4 Bb5 4.Re3 Qb6 5.Nxh5
gxh5 6.Rxh5 Rxg5 {-90}
3191244 4.427 0.54 8++ 1.Rd3 Rc5 2.g5 Nh5 3.Nf4 Rxg5 4.Qxg5 Kg8 {330}
3812415 5.386 0.61 8t 1.Rd3 Be6 2.Nf4 Qb6 3.Ka1 Kg8 4.g5 Rxc3 {-430}
5280783 7.363 0.62 8t+ 1.Rf5 Bxf5 2.Nd5 Rxe4 3.Nxf6 Qxc2+ 4.Ka1 Qxb2+
5.Kxb2 Rxe2+ 6.Ka3 b5
5599709 7.928 1.54 8++ 1.Rf5 Bxf5 2.Nd5 Rxe4 3.Nxf6 Qd8 4.fxe4 Rxc2
5.gxf5 Rxe2H {100}
6110355 8.747 1.81 8t 1.Rf5 Qd8 2.Rxf6 Qg8 3.Rf4 g5 4.Rf5 Bxf5 5.gxf5
{100}
6186273 8.831 1.81 8. 1.Rf5 Qd8 2.Rxf6 Qg8 3.Rf4 g5 4.Rf5 Bxf5 5.gxf5
{100}
6760234 9.651 2.21 9++ 1.Rf5 Qd8 2.Rxf6 Qg8 3.Nd5 g5 4.Nxe7 Rc3 {330}
7574823 10.937 2.98 9t 1.Rf5 Bxf5 2.Nd5 Kg8 3.Nxc7 R4xc7 4.gxf5 Rxc2
5.Nc3 Rf2 6.fxg6H {421}
9105020 12.599 2.98 9. 1.Rf5 Bxf5 2.Nd5 Kg8 3.Nxc7 R4xc7 4.gxf5 Rxc2
5.Nc3 Rf2 6.fxg6 {421}
11486447 16.018 3.20 10t 1.Rf5 Bxf5 2.Nd5 Kg8 3.Nxc7 Bxe4 4.fxe4 R8xc7
5.g5 Nh5 6.Nc3 e5 {341}
22498315 29.773 3.20 10. 1.Rf5 Bxf5 2.Nd5 Kg8 3.Nxc7 Bxe4 4.fxe4 R8xc7
5.g5 Nh5 6.Nc3 e5 {341}
33185157 44.380 3.27 11t 1.Rf5 Qd8 2.Rxf6 Qg8 3.Nd5H Re8H 4.Rxd6H Bb5H
5.Nd4H Qg7H 6.Qxg7+H Kxg7H {HT} {330}
61378370 1:19.4 3.27 11. 1.Rf5 Qd8 2.Rxf6 Qg8 3.Nd5 Re8 4.Rxd6 Bb5 5.Nd4
Qg7 6.Qxg7+ Kxg7 {HT} {330}
96955400 2:10.4 3.29 12t 1.Rf5 Qd8 2.Rxf6 Qg8 3.Nd5 Re8 4.Rxd6 Bb5 5.Nd4
Qg7 6.Nxb5 exd6 7.Nxa7 {260}
Regards,
Dieter
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