Author: Frederic Friedel
Date: 07:31:16 04/13/00
Go up one level in this thread
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
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