Author: Mark Young
Date: 00:05:35 07/03/00
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On July 03, 2000 at 02:24:11, blass uri wrote: >On July 03, 2000 at 01:30:17, blass uri wrote: > ><snipped> >>After the game I tried to give hiarcs the position before 43.Bxb6 and was >>surprised to find that it can see that 43.Bxb6 is losing at depth 9 and also can >>find 43.Qe8 in less than 4 minutes > >I tested Hiarcs7.32 with selectivity=7 and was surprised to find that it can >find 43.Qe8 even faster. > >Selectivity=7 also can see at the same time control that I tested the default >hiarcs after the game(1 hour/40 move+3 hours/40 moves that means 4 hours for >moves 42-80) that 42.axb4 is bad at depth 10(the main line begin with axb4 Bxb4 >and 42.axb4 failed low at depth 10). > >It seems that hiarcs is less selective with selectivity=7 because it can see at >the same depth things that the default cannot see. > >I have 2 questions about hiarcs. > >1)Is learning off better than learning on? >2)Is selectivity=6 or 7 better than selectivity=5? I have found that the default setting are best with Hiarcs 7.32. That means learning on, and selectivity = 5. When set up as a position test, Hiarcs 7.32 has no problem seeing that 43. Bxb6 is losing and finding 43. Qe8. Hiarcs 7.32 - Crafty17.11,U 8/1bB3pk/1p3p1p/1Q3P2/1b1q4/6NP/3rR1PK/8 w - - 0 1 Analysis by Hiarcs 7.32: 43.Qb5xb6 Qd4xb6 44.Bc7xb6 µ (-0.74) Depth: 1 00:00:00 43.Qb5xb6 Qd4xb6 44.Bc7xb6 µ (-0.74) Depth: 2/10 00:00:00 43.Qb5xb6 Bb4-c5 44.Qb6-b1 µ (-0.88) Depth: 3/14 00:00:00 43.Bc7xb6 Qd4-d6 44.Bb6-f2 ³ (-0.59) Depth: 3/14 00:00:00 43.Bc7xb6 Qd4-d6 44.Re2xd2 Qd6xd2 45.Qb5-e2 Qd2-d6 46.Qe2-f2 ³ (-0.51) Depth: 4/16 00:00:00 43.Bc7xb6 Qd4-d6 44.Re2xd2 Qd6xd2 45.Qb5-e2 Qd2xe2 46.Ng3xe2 Bb4-d6+ 47.g2-g3 Bb7-f3 ³ (-0.50) Depth: 5/19 00:00:00 30kN 43.Bc7xb6 Rd2xe2 µ (-0.77) Depth: 6/21 00:00:00 60kN 43.Bc7xb6 Rd2xe2 µ (-0.77) Depth: 6/22 00:00:00 102kN 43.Bc7xb6 Rd2xe2 µ (-1.02) Depth: 7/23 00:00:01 170kN 43.Bc7xb6 Rd2xe2 44.Bb6xd4 Re2xg2+ 45.Kh2-h1 Bb7-f3 46.Qb5-d3 Rg2xg3+ 47.Kh1-h2 Rg3-g2+ 48.Kh2-h1 Bf3-c6 µ (-1.27) Depth: 7/25 00:00:07 1001kN 43.Bc7xb6 Rd2xe2 -+ (-1.52) Depth: 8/25 00:00:08 1179kN 43.Bc7xb6 Rd2xe2 44.Bb6xd4 Re2xg2+ 45.Kh2-h1 Bb7-f3 46.Qb5-d3 Rg2xg3+ -+ (-1.54) Depth: 8/27 00:00:11 1547kN 43.Bc7xb6 Rd2xe2 -+ (-1.79) Depth: 9/27 00:00:17 2359kN 43.Bc7xb6 Rd2xe2 44.Bb6xd4 Re2xg2+ 45.Kh2-h1 Bb7-f3 46.Ng3-e4 Bf3xe4 47.Qb5-b8 Bb4-d2 48.Bd4-e5 Rg2-g5+ 49.Kh1-h2 f6xe5 50.Qb8xe5 Be4xf5 -+ (-4.75) Depth: 9/29 00:00:28 3972kN 43.Qb5-e8 Rd2xe2 44.Qe8-g6+ Kh7-g8 45.Ng3xe2 Qd4-e3 46.Ne2-f4 Bb4-c5 47.h3-h4 Qe3-e7 48.Bc7-b8 Qe7-e1 49.h4-h5 -+ (-1.72) Depth: 9/29 00:01:31 11632kN (Young, 03.07.2000) > >Uri
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