Author: Dusan Dobes
Date: 00:59:26 01/23/01
Go up one level in this thread
On January 23, 2001 at 03:46:15, Dann Corbit wrote: >On January 23, 2001 at 03:06:53, Dusan Dobes wrote: > >>On January 22, 2001 at 15:57:52, Dann Corbit wrote: >> >>>>I am interested if "your" engine could resist to play 46.Qe6+ in a blitz game. >>>> >>>>[D]6k1/2pq4/5Q2/p2PPP2/1p1P4/8/P6P/7K w >>>> >>>>Best wishes, >>>>Steffen. >>>> >>>>[Event "ICS rated blitz match"] >>> >>>Phalanx has a time of it: >>> >>>[ white, 1 ] >>>6k1/2pq4/5Q2/p2PPP2/1p1P4/8/P6P/7K w >>> >>>6k1/2pq4/5Q2/p2PPP2/1p1P4/8/P6P/7K w >>> -> increment adds 1440 s to soft time limit >>> -> soft time limit 3154.28 s >>> -> hard time limit 41599.9 s >>> 6 654 112 213089 Qf6-e6 Qd7-f7 Pf5-f6 Pa5-a4 Qe6-c8 Kg8-h7 >>> Pe5-e6 Qf7xf6 Qc8xc7 Kh7-g6 >>> 6 -> 0:01.60 305919 0 turns >>> 7 654 583 1226489 Qf6-e6 ?? >>> 7 352 742 1585651 Qf6-e6 Qd7xe6 Pf5xe6 Pa5-a4 Pd5-d6 Pc7xd6 >>> Pe5xd6 Kg8-f8 Pd6-d7 Kf8-e7 Pd7-d8B Ke7xd8 >>> Ph2-h4 Kd8-e7 >>> 7 357 762 1623830 Qf6-g6 ! >>> 7 525 919 1926808 Qf6-g6 Kg8-f8 Qg6-h6 Kf8-g8 Qh6-g5 Kg8-f8 >>> Kh1-g1 Qd7xd5 >>> 7 -> 0:10.26 2108193 1 turn >>> 8 525 1161 2360687 Qf6-g6 Kg8-f8 Qg6-h6 Kf8-g8 Qh6-g5 >>> 8 -> 0:23.94 4694659 0 turns >>> 9 525 2935 5710337 Qf6-g6 Kg8-f8 Qg6-h6 Kf8-g8 Qh6-g5 >>> 9 526 3916 7666834 Qf6-g5 Kg8-f8 Pd5-d6 Pc7xd6 >>> 9 -> 1:10.73 13328419 1 turn >>> 10 526 8747 16329005 Qf6-g5 Kg8-f8 Pd5-d6 Pc7xd6 Pe5-e6 Qd7-b7 >>> Kh1-g1 Qb7-g7 Qg5xg7 Kf8xg7 Pe6-e7 Kg7-f7 >>> 10 -> 3:58.68 42938008 0 turns >>> 11 526 40425 71196909 Qf6-g5 Kg8-f8 Pd5-d6 Pc7xd6 Qg5-h6 Kf8-g8 >>> Pe5-e6 Qd7-b7 Kh1-g1 Qb7-g7 >>> 11 -> 17:32.80 184157117 0 turns >> >>So that's 7.62 seconds to switch to a different move. >>Phalanx has special knowledge that helps it to see >>those things quickly. It has huge extensions (like several >>full plies) on piece exchanges leading to pawn-only endgames. > >I had not noticed how quickly Phalanx switched off from Qe6+. I wonder if Qg5 >is a better choice than e6, which is what all the other engines were choosing. > >It has a higher evaluation, but the reported search depth is not great. I might >let this one run 24 hours just for fun Just try if you have a machine available. I cannot do it as i am about 2000 km away from my computers. I'm now on a professional training in Helsinki trying hard to keep attention :-) Of course Qg5 is better as black cannot exchange the Q. The extension trick should be working anywhere in the tree. It might give about 4 plies for the Q exchange in this case. Dusan
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.