CCRL 40/4
Downloads and Statistics
October 19, 2019
Testing summary:
Total: 2'120'567 games
played by 2'479 programs
28673 CPU days (X2 4600+)

White wins: 822'832 (38.8%)
Black wins: 665'262 (31.4%)
Draws: 632'473 (29.8%)
White score: 53.7%

Custom engine selection

Comparing 3 engines!
3 selected engines played 0 games with each other

CCRL 40/4 Rating List — Custom engine selection (Quote)

Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 4 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 1.5 minutes on a modern CPU.
Computed on October 19, 2019 with Bayeselo based on 2'120'567 games

Color legend: Commercial, Free, Open source, Private.
Bold font - tested with 300 games or more. Normal font - less than 300 games.

RankNameRatingScoreAverage
Opponent
DrawsGamesLOS
Elo+
1Giraffe 20150908 64-bit2410+18−1849.9%+0.418.4%1213 
100.0%
 Giraffe 20161023 64-bit2370+14−1442.7%+60.013.3%2237
99.3%
 Giraffe 20150828 64-bit2322+36−3646.8%+25.018.4%293
 

Results matrix

Custom engine selection
#NameElo123
1Giraffe 20150908 64-bit2410   
2Giraffe 20161023 64-bit2370   
3Giraffe 20150828 64-bit2322   
Performance color legend:
(Only pairs with at least 30 games)
-120 -100 -80 -60 -40 -20 0 20 40 60 80 100 120

LOS matrix

Custom engine selection
#NameElo123
1Giraffe 20150908 64-bit2410 100.0100.0
2Giraffe 20161023 64-bit23700.0 99.3
3Giraffe 20150828 64-bit23220.00.7 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo123
1Giraffe 20150908 64-bit2410 658183
2Giraffe 20161023 64-bit2370658 429
3Giraffe 20150828 64-bit2322183429 
Number of connecting games color legend:
0 200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000

Percentage of connecting games matrix

Custom engine selection
#NameElo123
1Giraffe 20150908 64-bit2410 19.112.2
2Giraffe 20161023 64-bit237019.1 17.0
3Giraffe 20150828 64-bit232212.217.0 
Percentage of connecting games color legend:
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100

Score with 29 common opponents

Custom engine selection
NameEloGiraffe
20150908
64-bit
Giraffe
20161023
64-bit
Giraffe
20150828
64-bit
Schooner 1.7.0 64-bit2463 5%
0.5/10
53%
17/32
Counter 1.2244648%
15.5/32
50%
0.5/1
 
Eeyore 1.52 64-bit242748%
15.5/32
0%
0/1
 
Gaia 3.5 64-bit242556%
18/32
0%
0/1
 
Nejmet 3.07242552%
16.5/32
50%
1/2
 
Dragon 4.6241733%
10.5/32
50%
0.5/1
30%
3/10
Ifrit m1.8 64-bit240353%
17/32
31%
8.5/27
25%
2.5/10
TJchess 1.3 64-bit239842%
13.5/32
0%
0/1
 
PostModernist 10162389 43%
11.5/27
30%
3/10
Comet B50238846%
11.5/25
64%
16/25
 
Leila 0.53h238755%
17.5/32
48%
12.5/26
50%
5/10
Amy 0.87b238559%
19/32
59%
19/32
 
Diablo 0.5.1238553%
17/32
61%
16.5/27
45%
4.5/10
Capture R01238461%
19.5/32
41%
11/27
 
Gosu 0.16238245%
14.5/32
47%
15/32
 
Myrddin 0.87 64-bit238042%
13.5/32
54%
14/26
 
Cmcchess 2.6 64-bit2377 27%
7.5/28
45%
4.5/10
Laser 0.1 64-bit237452%
16.5/32
 30%
3/10
Patzer 3.80237453%
16.5/31
36%
9/25
 
Der Bringer 1.9237359%
16.5/28
58%
14/24
45%
5/11
NameEloGiraffe
20150908
64-bit
Giraffe
20161023
64-bit
Giraffe
20150828
64-bit
Terra 3.42368 42%
11/26
45%
4.5/10
Lozza 1.16 64-bit236067%
21.5/32
54%
14/26
 
Amateur 2.822351 47%
15/32
50%
5/10
Tigran 2.4n 64-bit2346 61%
19/31
50%
5/10
Plisk 0.2.7d 64-bit2343 50%
16/32
35%
3.5/10
Horizon 4.42341 67%
21.5/32
70%
7/10
Chezzz 1.0.32323 52%
16.5/32
40%
4/10
Aice 0.99.22315 53%
17/32
70%
7/10
Ant 2006-F2235 100%
1/1
65%
6.5/10
Score color legend:
(Only pairs with at least 30 games)
0% 5% 10% 15% 20% 25% 30% 35% 40% 45% 50% 55% 60% 65% 70% 75% 80% 85% 90% 95% 100%

Alter engine selection



Alter output selection

Rating list
Testing profile
  (Step: , Numbers: )

Results table
Performance table
Score table
LOS table
Proportion of draws
Number of games
Number of connecting games
Percentage of connecting games
Score with common opponents
Score with all opponents
Performance with common opponents
Performance with all opponents
LOS with common opponents
LOS with all opponents

Maximum size of cross-tables (from 2 to 100):
Limit crosstables to engines in Elo range: to
Match length (Minimum number of games to highlight with color):

Cross-tables show only best version of each engine
Sort cross-tables by:   Rating   Name
Highlight diagonal of cells wide. (0 to highlight everything)

Reference rating list:
Recalibrate:
  No recalibration (reference and current list are compared as they are)
  Recalibrate reference list to current one using selected engines only
  Recalibrate reference list to current one using all common engines
  Recalibrate current list to reference using selected engines only
  Recalibrate current list to reference using all common engines


Created in 2005-2013 by CCRL team
Last games added on October 19, 2019