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----  DarkThought  ----


competitive chess program
created by
1.1

               Markus Gille                             Ernst A. Heinz             
<gille@ira.uka.de> <heinz@mit.edu>



Contact Address:

Dr. Ernst A. Heinz, M.I.T. Laboratory for Computer Science (LCS), NE 43 - 228,
Massachussetts Inst. of Technology, 545 Technology Sq., Cambridge, MA 02139, USA
Tel./Fax: +1 - 617 - 253 8853 / 0145, WWW: <http://supertech.lcs.mit.edu/~heinz/>




Tournament History  

9th World Computer-Chess Championship (June 1999):

16th World Microcomputer-Chess Championship (June 1999):

15th World Microcomputer-Chess Championship (October 1997):

1st Karlsruher UniSchau (June 1997):

12th AEGON Man vs. Machine (April 1997):

14th World Microcomputer-Chess Championship (October 1996):

11th AEGON Man vs. Machine (April 1996):

13th World Microcomputer-Chess Championship (October 1995):

8th World Computer-Chess Championship (May 1995):



Latest Performance on Test Suites  

Test Suite Time Result Speed
BS-2830   ( DARKTHOUGHT rating = 2734) 15 min. 18 / 27 391K nps
BT-2630   ( DARKTHOUGHT rating = 2526) 15 min. 27 / 30 340K nps
LCT-II     ( DARKTHOUGHT rating = 2645) 10 min. 28 / 35 410K nps
Bratko / Kopec 1 min. 18 / 24 362K nps
Encyclopedia of Chess Middlegames 5 sec. 534 / 879 401K nps
Win at Chess 5 sec. 290 / 300 446K nps
World's Greatest Chess Games 5 sec. 23 / 50 368K nps
1001 Winning Chess Sacrifices 5 sec. 832 / 1001 435K nps


Solution Times for BS-2830

 #1   #2   #3   #4   #5   #6   #7   #8   #9  #10 (in sec.)
81 13 - 4 - 15 10 - 15 109 #00
- 107 14 94 - 76 471 - 372 - #10
186 263 53 9 - - 21       #20


Solution Times for BT-2630

 #1   #2   #3   #4   #5   #6   #7   #8   #9  #10 (in sec.)
0 1 2 17 0 0 0 0 - 3 #00
0 6 154 1 4 - 2 1 19 1 #10
48 1 0 5 3 - 0 55 67 17 #20


Solution Times for LCT-II

 #1   #2   #3   #4   #5   #6   #7   #8   #9  #10 (in sec.)
3 0 273 - 27 7 205 - 7 - #00
21 75 118 0 2 0 0 53 8 3 #10
1 5 18 9 - - 0 0 0 15 #20
4 0 5 - -           #30


Measured Peak Speed = 1.473M nps

(in position ``8/8/7K/8/6p1/6k1/4R3/8 w - - 0 1'' from ECE3 with timing = 5 sec).


Test Configuration



``Scalable Search in Computer Chess''  --  Ernst's New Book !!

  Author:     Ernst A. Heinz
  Title:      ``Scalable Search in Computer Chess''
  Subtitle:   Algorithmic Enhancements and Experiments at High Search Depths
  Series:     Computational Intelligence (ser. eds. Profs. Bibel and Kruse)
  Publisher:  Vieweg Verlag [268 pages, 31 figures, 57 tables]
  ISBN:       3-528-05732-7

In order to find out more about the book, please click here.



 

Created by Ernst A. Heinz, Thu Dec 16 23:28:11 EST 1999