Author: Christophe Theron
Date: 11:25:46 04/13/00
Go up one level in this thread
On April 13, 2000 at 10:31:16, Frederic Friedel wrote:
>Okay, I gave the problem to Junior 6 on my slow (400 MHz) machine.
>Below the protocol. Junior gives the entire line with both
>underpromotions and the mate in ten seconds, and it confirms the
>mate in 33 seconds.
>
>Woops there goes another rubber tree plant.
>
>Underpromotion problem
>[D]r7/p1pRpP1n/K3Pp1b/5B1n/4NkP1/2B5/2N1Pp2/1b6 w - - 0 1
>
>Analysis by Junior 6.0:
>
>1.e2-e3+ Kf4-f3 2.Ne4-d2+ Kf3-g2 3.Bf5-e4+ Kg2-g1 4.g4xh5 Bb1xc2 5.Be4xa8 f2-f1R
>6.Nd2xf1
> +- (3.39) Depth: 6 00:00:00 16kN
>1.Ne4xf2!
> +- (3.54) Depth: 6 00:00:00 34kN
>1.Ne4xf2! Nh7-g5 2.Nf2-d3+ Kf4-g3 3.Nc2-a3 Bb1xd3+ 4.Rd7xd3+ Kg3-f2 5.Bc3-d4+
>Kf2xe2 6.g4xh5
> +- (4.04) Depth: 6 00:00:00 94kN
>1.Bc3-d2+!
> +- (4.05) Depth: 6 00:00:00 115kN
>1.Bc3-d2+! Kf4-e5 2.Ne4xf2 Bb1xc2 3.Bd2-c3+ Ke5-f4 4.Bf5xc2
> +- (4.51) Depth: 6 00:00:00 127kN
>1.Bc3-d2+ Kf4-e5 2.Bd2-a5 Ra8-c8 3.Ne4xf2 Bb1xc2 4.Ba5-c3+ Ke5-f4 5.Bf5xc2
>Nh7-f8 6.g4xh5 Nf8xd7 7.Bc3-d2+ Kf4-g3 8.e6xd7
> +- (4.57) Depth: 9 00:00:02 839kN
>1.Bc3-d2+!
> +- (4.87) Depth: 12 00:00:10 3433kN
>1.Bc3-d2+! Kf4-e5 2.Bd2-a5 Ra8-c8 3.f7-f8N Nh7xf8 4.Ba5-c3+ Ke5-f4 5.Rd7-d5
>f2-f1N 6.Rd5-d3 Nf1-e3 7.Rd3xe3 Bb1xc2 8.Re3-f3#
> +- (#8) Depth: 12 00:00:33 10259kN
Yes, I think these results have already been published last week.
Christophe
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