CCRL 40/4
Downloads and Statistics
July 20, 2019
Testing summary:
Total: 2'069'919 games
played by 2'400 programs
27811 CPU days (X2 4600+)

White wins: 804'066 (38.8%)
Black wins: 650'528 (31.4%)
Draws: 615'325 (29.7%)
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 Intel CPU.
Computed on July 20, 2019 with Bayeselo based on 2'069'919 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+
1Monik 2.2.3 64-bit1968+16−1650.2%−1.316.6%1714 
62.5%
 Monik 2.2.2 32-bit1958+57−6022.8%+288.612.7%189
73.2%
 Monik 2.2.6 64-bit1939+15−1547.0%+21.519.4%1625
 

Results matrix

Custom engine selection
#NameElo123
1Monik 2.2.3 64-bit1968   
2Monik 2.2.2 32-bit1958   
3Monik 2.2.6 64-bit1939   
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
1Monik 2.2.3 64-bit1968 62.599.5
2Monik 2.2.2 32-bit195837.5 73.2
3Monik 2.2.6 64-bit19390.526.8 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo123
1Monik 2.2.3 64-bit1968 105641
2Monik 2.2.2 32-bit1958105 63
3Monik 2.2.6 64-bit193964163 
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
1Monik 2.2.3 64-bit1968 5.519.2
2Monik 2.2.2 32-bit19585.5 3.5
3Monik 2.2.6 64-bit193919.23.5 
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 24 common opponents

Custom engine selection
NameEloMonik
2.2.3
64-bit
Monik
2.2.2
32-bit
Monik
2.2.6
64-bit
Lime 66214321%
7/33
26%
5.5/21
 
Merlin 2.3.121250%
0/1
 0%
0/1
Monarch 1.7205620%
6.5/32
 100%
1/1
Plywood 1.7320190%
0/1
 100%
1/1
Small Potato 0.6.1199239%
12.5/32
 45%
14.5/32
Elephant 1.061989100%
1/1
 42%
13.5/32
BigLion 2.23x198858%
18.5/32
 51%
32.5/64
Bubble 1.519870%
0/1
 53%
16/30
SSEChessII 2.05 DC196758%
18/31
 55%
35/64
Sissa 2.0196738%
9/24
 0%
0/1
Cilian 4.14196145%
14/31
 47%
30.5/65
BSC 3.9196056%
18/32
 100%
1/1
ALChess 1.84195950%
1/2
 39%
25/64
Etude 0.1.21954100%
1/1
 66%
41/62
Micro-Max 4.8195362%
18.5/30
43%
9/21
43%
27/63
JanWillem 1.13195168%
21/31
 46%
43.5/95
Smash 1.0.3192453%
17.5/33
 0%
0/1
Heracles 0.6.16192270%
23/33
 45%
14/31
Dabbaba 7.4919080%
0/1
 40%
12.5/31
Clueless 1.4190451%
17.5/34
 50%
0.5/1
NameEloMonik
2.2.3
64-bit
Monik
2.2.2
32-bit
Monik
2.2.6
64-bit
Roce 0.0390185368%
20.5/30
 100%
1/1
Celes 0.77c1826100%
1/1
 0%
0/1
Embracer 1.12178581%
26/32
 100%
1/1
GChess IV 0.2.0173289%
27.5/31
 100%
1/1
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
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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

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Match length (Minimum number of games to highlight with color):

Cross-tables show only best version of each engine
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Reference rating list:
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  Recalibrate current list to reference using all common engines


Created in 2005-2013 by CCRL team
Last games added on July 20, 2019