Appendix  --  Performance on Test Suites as of July 31, 1997

Test Configuration


Test Suite Results
Test Suite Time Result Speed
BS-2830   ( DARKTHOUGHT rating = 2638) 15 min. 14 / 27 225K nps
BT-2630   ( DARKTHOUGHT rating = 2494) 15 min. 27 / 30 264K nps
LCT-II     ( DARKTHOUGHT rating = 2535) 10 min. 26 / 35 249K nps
Bratko / Kopec 1 min. 18 / 24 214K nps
Encyclopedia of Chess Middlegames 20 sec. 609 / 879 249K nps
Win at Chess 5 sec. 287 / 300 267K nps
World's Greatest Chess Games 10 sec. 22 / 50 224K nps
1001 Brilliant Ways to Checkmate 5 sec. 946 / 1001 313K nps
1001 Winning Chess Sacrifices 5 sec. 830 / 1001 259K nps
Nolot Positions   (#1 Nxh6! 20:40 min. - 60 min. 3 / 11 210K nps
#10 Rxf7! 44:25 min. - #11 Rxh6! 2:40 min.)      

Solution Times for BS-2830
 #1   #2   #3   #4   #5   #6   #7   #8   #9  #10 (in sec.)
516 17 - 18 - 282 13 - 24 298 #00
- 342 31 - - - - - - - #10
405 245 204 11 - - 41       #20

Solution Times for BT-2630
 #1   #2   #3   #4   #5   #6   #7   #8   #9  #10 (in sec.)
0 2 6 48 0 0 0 1 - 6 #00
1 14 572 2 8 - 9 0 24 2 #10
122 2 179 7 12 - 4 119 208 48 #20

Solution Times for LCT-II
 #1   #2   #3   #4   #5   #6   #7   #8   #9  #10 (in sec.)
15 0 - - 66 42 264 - 5 - #00
52 164 525 0 2 0 1 110 3 12 #10
11 15 - 15 - - 0 0 3 30 #20
5 2 25 - -           #30

Measured Peak Speed = 665K nps
(in position ``6R1/8/3K4/8/8/7p/7k/8 w - - 0 1'' from ECE3 with timing = 5 sec).



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