Author: Dieter Buerssner
Date: 12:36:30 12/10/00
Go up one level in this thread
On December 10, 2000 at 11:17:58, Uri Blass wrote:
>b7/1q2p2k/3p1p1p/1Pr1nP2/6PP/1rN5/2RKBQ2/2R5 b - - 0 1
>
>This position is from Fritz-Gambittiger.
>
>The target is to find Rd5+ that is winning.
>
>How much time does your program need to find Rd5+?
Yace on AMD K6-2 475 needs 141 seconds. The score only rises slowly
after this.
15228130 80.89 1.01 9t : 1...Nc4+ 2.Bxc4 Rxc4 3.g5 fxg5 4.hxg5 hxg5 5.Rg1
Rf4 6.Qe3 Rxf5 7.Rxg5 Rxg5 8.Qxg5 {90}
27888566 141.0 1.02 9t+: 1...Rd5+ 2.Nxd5 Qxd5+ 3.Ke1 Rh3 4.Rc3 Rh1+ 5.Bf1
Nd3+ 6.Rxd3 Qxd3 7.Qg1 Rxg1 8.b6 {1001}
29784391 151.1 1.17 9t : 1...Rd5+ 2.Nxd5 Qxd5+ 3.Ke1 Rh3 4.Rc3 Rh1+ 5.Bf1
Nd3+ 6.Rxd3 Qxd3 7.Qe2 Qg3+ 8.Qf2 Qe5+ 9.Kd1
Qxb5 10.Ke1 {80}
29809414 151.2 1.17 9. : 1...Rd5+ 2.Nxd5 Qxd5+ 3.Ke1 Rh3 4.Rc3 Rh1+ 5.Bf1
Nd3+ 6.Rxd3 Qxd3 7.Qe2 Qg3+ 8.Qf2 Qe5+ 9.Kd1
Qxb5 10.Ke1 {80}
38830457 193.0 1.21 10t : 1...Rd5+ 2.Ke1 Rd3 3.Qf1 Nf3+ 4.Bxf3 Qxf3 5.Qxf3
Bxf3 6.g5 hxg5 7.hxg5 fxg5 8.Rh2+ Kg8 {90}
58325176 282.5 1.21 10. : 1...Rd5+ 2.Ke1 Rd3 3.Qf1 Nf3+ 4.Bxf3 Qxf3 5.Qxf3
Bxf3 6.g5 hxg5 7.hxg5 fxg5 8.Rh2+ Kg8 {90}
71092682 348.4 1.30 11t : 1...Rd5+ 2.Ke1 Rd3 3.Qf1 Nf3+ 4.Bxf3 Qxf3 5.Qxf3
Bxf3 6.g5 hxg5 7.hxg5 fxg5 8.Rh2+ Kg8 9.Rhc2 {90}
123099344 588.3 1.30 11. : 1...Rd5+ 2.Ke1 Rd3 3.Qf1 Nf3+ 4.Bxf3 Qxf3 5.Qxf3
Bxf3 6.g5 hxg5 7.hxg5 fxg5 8.Rh2+ Kg8 9.Rhc2 {90}
Regards,
Dieter
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