CCRL 40/2 FRC
Downloads and Statistics
May 6, 2021
Testing summary:
Total: 341'114 games
played by 257 programs

White wins: 137'230 (40.2%)
Black wins: 115'634 (33.9%)
Draws: 88'250 (25.9%)
White score: 53.2%

Open source engines

Comparing 109 engines!
26 best versions of selected engines played 8556 games with each other

CCRL 40/2 FRC Rating List — Open source engines (Quote)

Ponder off, 5-men EGTB, 128MB hash, 64-bit executables where available, random openings with switched sides
Time control: Equivalent to 40 moves in 2 minutes on an Intel i7-4770k.
Computed on May 6, 2021 with Bayeselo based on 341'114 games
Please refer to the "about" page for comments on engine inclusion
RankNameRatingScoreAverage
Opponent
DrawsGamesLOS
ELO+
1Stockfish 1903213850+13−1375.5%−189.541.0%2424 
99.9%
 Stockfish 1101213819+15−1570.0%−148.442.9%1500
87.0%
 Stockfish 133807+15−1568.7%−136.445.8%1550
100.0%
 Stockfish 123769+11−1167.7%−128.942.0%3050
95.2%
 Stockfish 1707203756+13−1372.1%−154.838.2%2350
100.0%
 Stockfish 103712+11−1177.6%−195.935.6%3612
100.0%
 Stockfish 93664+13−1377.3%−213.434.8%2400
99.8%
 Stockfish 1809173636+14−1477.9%−220.033.0%2100
99.6%
 Stockfish 83611+11−1172.7%−180.236.9%3300
83.4%
2Fire 8.13603+11−1148.0%+15.540.0%3212
99.9%
3Ethereal 12.753583+10−943.4%+51.537.3%4280
99.6%
 Ethereal 12.503564+10−1051.5%−9.041.0%3440
58.8%
 Stockfish 2005163561+16−1678.0%−230.027.1%1800
99.2%
4RubiChess 2.13535+10−1044.1%+48.933.5%3810
66.9%
 Stockfish 1503163531+15−1575.2%−200.031.6%1800
93.6%
 Ethereal 12.003515+10−1046.3%+29.738.5%3528
96.2%
 Stockfish 2008153498+15−1571.6%−169.231.6%1800
83.0%
 Ethereal 11.753488+12−1254.9%−38.939.0%2600
90.6%
 RubiChess 2.03475+15−1550.8%+2.033.4%1604
89.2%
 Ethereal 11.503462+12−1251.9%−17.837.4%2464
57.1%
 Stockfish 63460+13−1370.9%−161.032.6%2400
100.0%
 Stockfish 0405143411+15−1579.7%−245.923.0%2100
78.4%
 RubiChess 1.93402+13−1342.9%+49.531.5%2260
100.0%
 Stockfish DD3346+15−1574.9%−200.025.0%2100
100.0%
5Demolito 2020-12-243305+11−1142.2%+56.930.9%2940
71.7%
 Stockfish 1609133300+14−1464.6%−118.328.9%2100
73.2%
 Demolito 2021-04-033293+14−1444.7%+38.233.7%1874
88.7%
6Minic 3.063282+11−1155.7%−43.332.5%2914
100.0%
 Demolito 2020-02-053230+15−1545.8%+29.033.7%1500
63.7%
 Stockfish 33227+13−1369.2%−157.224.3%2700
99.7%
7‑8Senpai 2.03205+9−948.3%+12.931.1%4842
46.4%
7‑8Vajolet2 2.83205+10−1051.0%−7.134.9%3786
63.2%
 Stockfish 2.3.13202+15−1556.7%−56.129.3%1700
83.2%
 Stockfish 2.2.13191+18−1864.1%−110.527.0%1200
52.8%
 Stockfish VE_093190+16−1553.8%−37.329.5%1600
62.8%
 Stockfish 2.1.13186+19−1966.3%−124.428.6%1100
57.3%
 Stockfish 2.2.23183+20−2066.3%−125.728.5%1000
52.7%
9Stash 30.03182+13−1349.7%+0.627.9%2240
76.7%
 Demolito 2019-02-063175+16−1650.4%−5.029.9%1516
88.8%
 Stash 29.03162+13−1351.1%−9.728.4%2112
98.9%
 Stockfish 2.0.13136+18−1768.7%−145.426.8%1300
63.0%
 Minic 3.043132+12−1250.5%−3.929.1%2594
66.3%
 Stockfish 1.83127+19−1971.7%−167.123.9%1100
64.3%
10DanaSah 8.83122+13−1346.6%+22.920.9%2432
71.8%
11Monolith 23118+10−1051.1%−9.228.9%3684
69.8%
 Stockfish 1.73111+22−2271.5%−162.527.3%800
56.8%
 Stockfish 1.9.13108+25−2473.0%−179.121.7%700
66.7%
 Stash 28.03102+15−1548.2%+10.528.6%1540
99.8%
 Stash 27.03070+15−1552.6%−20.427.2%1524
76.4%
 Minic 3.033062+18−1852.8%−21.726.6%1100
96.3%
12Cheng 4.413041+14−1449.8%−0.223.9%2004
66.7%
 Stockfish 1.63035+22−2264.6%−110.626.1%800
72.6%
 Minic 2.483026+20−1953.0%−21.823.9%960
98.7%
 Minic 2.212999+15−1549.2%+4.924.6%1750
95.4%
 Cheng 4.402981+15−1542.3%+52.525.3%1758
61.4%
 Demolito 2017-08-262978+15−1541.3%+66.825.9%1800
99.9%
 Stockfish 1.5.12938+19−1955.2%−39.823.8%1000
97.7%
13Bobcat 8.02915+11−1140.3%+70.724.3%3184
98.3%
14EXchess 7.92b2898+12−1240.4%+72.524.0%2746
64.0%
 EXchess 7.71b2894+15−1538.6%+90.323.1%1900
85.5%
 Cheng 4.392884+12−1243.2%+53.622.7%2570
97.4%
 Bobcat 7.62863+18−1852.0%−15.724.8%1100
99.0%
 Cheng4 0.382833+17−1745.2%+39.820.4%1300
57.8%
 Minic 1.152831+20−2048.6%+7.724.8%870
75.0%
15Cyclone xTreme Fear2823+9−947.3%+20.121.2%6420
83.0%
 EXchess 7.18b2815+14−1446.9%+26.222.1%1900
65.4%
 Bobcat 7.12811+18−1849.5%+3.525.1%1100
71.4%
 Toga CMLX 1.4.5e2802+22−2251.4%−7.625.9%700
76.1%
 Glaurung 2.22793+14−1458.3%−70.619.8%2200
90.6%
16GNU Chess 5.602781+11−1145.7%+32.523.6%3220
99.8%
 GNU Chess 5.502756+13−1354.2%−32.519.0%2500
57.8%
17Octochess 51902755+12−1251.6%−13.224.2%2820
99.6%
 Glaurung 2.12729+14−1551.0%−10.619.8%2000
89.2%
18Karballo 1.82714+17−1753.6%−27.024.6%1210
93.8%
 Glaurung 2.0.12696+15−1548.0%+8.522.6%1900
74.0%
 EXchess 6.50b2689+13−1452.0%−14.619.7%2300
100.0%
 DanaSah 8.302644+16−1643.0%+55.023.9%1400
76.9%
 Glaurung 1.2.12636+13−1346.6%+23.221.4%2400
95.5%
19Fridolin 3.002618+15−1546.0%+29.619.6%1730
73.6%
20Dumb 1.82610+19−2046.4%+28.117.3%1000
53.8%
21Daydreamer 1.752609+9−948.2%+14.221.8%5370
98.6%
 DanaSah 7.902590+15−1555.6%−41.420.5%1640
57.3%
22Maverick 1.52588+13−1349.4%+4.919.5%2370
97.5%
 Monolith 0.42569+16−1649.1%+5.919.9%1510
69.6%
 DanaSah 7.302563+16−1651.9%−14.422.8%1520
84.0%
 Dumb 1.72551+19−1949.9%+0.414.1%1050
48.4%
 GNU Chess 5.07.173b2551+13−1352.0%−17.316.3%2700
92.0%
23Galjoen 0.40.12536+18−1848.9%+7.421.3%1168
83.5%
 Fridolin 2.002524+15−1550.4%−2.822.3%1600
59.7%
 Maverick 1.02521+17−1851.3%−9.720.8%1200
79.0%
 DanaSah 6.302511+18−1848.4%+10.322.1%1200
93.0%
 DanaSah 5.072492+18−1855.5%−41.622.7%1100
55.5%
 Galjoen 0.41.12489+29−2939.4%+79.718.0%450
59.6%
 Dumb 1.62484+36−3651.8%−15.314.3%300
67.6%
 DanaSah 4.662475+13−1347.2%+20.419.4%2500
58.1%
 Daydreamer 1.612473+16−1645.4%+35.119.0%1700
69.3%
 DanaSah 5.002467+15−1651.6%−13.620.3%1600
97.1%
 DanaSah 4.202448+12−1245.0%+38.320.1%2800
90.5%
 DanaSah 4.602436+13−1345.9%+31.817.9%2400
100.0%
 Galjoen 0.39.22372+19−1948.5%+9.720.6%1000
97.3%
 Maverick 0.602344+20−2050.4%−3.715.6%1000
81.6%
24Teki 22332+18−1849.8%+2.318.1%1200
100.0%
25Robocide 0.42192+19−2045.0%+39.319.1%1000
100.0%
 Galjoen 0.35.21989+22−2326.8%+190.117.2%900
100.0%
26Sapeli 2.01868+25−2562.3%−126.413.7%782
100.0%
 Sapeli 1.201786+22−2259.5%−87.09.8%1056
76.9%
 Sapeli 1.021774+22−2246.4%+33.112.2%1100
98.6%
 Stash 11.0.11733+29−2854.4%−38.810.8%600
84.6%
 Sapeli 1.161707+36−3819.4%+271.312.3%400
 

Results matrix

Open source engines (best versions only), top 12
#NameELO123456789101112
1Stockfish 1903213850 247 − 53
+202−8=90
−15
271.5 − 38.5
+236−3=71
+28
267.5 − 32.5
+235−0=65
0
        
2Fire 8.1360353 − 247
+8−202=90
+15
 165 − 135
+86−56=158
+9
186 − 114
+127−55=118
+8
        
3Ethereal 12.75358338.5 − 271.5
+3−236=71
−28
135 − 165
+56−86=158
−9
 172.5 − 127.5
+96−51=153
−3
        
4RubiChess 2.1353532.5 − 267.5
+0−235=65
0
114 − 186
+55−127=118
−8
127.5 − 172.5
+51−96=153
+3
         
5Demolito 2020-12-243305     101 − 99
+72−70=58
−19
65 − 35
+49−19=32
+2
65.5 − 34.5
+43−12=45
−3
124 − 76
+95−47=58
−40
   
6Minic 3.063282    99 − 101
+70−72=58
+19
 119 − 73
+89−43=60
+4
112.5 − 73.5
+85−46=55
−5
127 − 65
+90−28=74
+4
128.5 − 63.5
+104−39=49
−39
137.5 − 54.5
+107−24=61
−15
 
7Senpai 2.03205    35 − 65
+19−49=32
−2
73 − 119
+43−89=60
−4
 52.5 − 57.5
+34−39=37
−14
96.5 − 63.5
+74−41=45
+48
102 − 58
+85−41=34
+18
121 − 79
+87−45=68
−16
 
8Vajolet2 2.83205    34.5 − 65.5
+12−43=45
+3
73.5 − 112.5
+46−85=55
+5
57.5 − 52.5
+39−34=37
+14
 92.5 − 65.5
+62−35=61
+31
99.5 − 58.5
+80−39=39
+9
132 − 68
+100−36=64
+21
 
9Stash 30.03182    76 − 124
+47−95=58
+40
65 − 127
+28−90=74
−4
63.5 − 96.5
+41−74=45
−48
65.5 − 92.5
+35−62=61
−31
 114 − 86
+99−71=30
−6
114.5 − 85.5
+92−63=45
−11
146 − 64
+116−34=60
−4
10DanaSah 8.83122     63.5 − 128.5
+39−104=49
+39
58 − 102
+41−85=34
−18
58.5 − 99.5
+39−80=39
−9
86 − 114
+71−99=30
+6
 74.5 − 85.5
+61−72=27
−30
113.5 − 86.5
+96−69=35
−29
11Monolith 23118     54.5 − 137.5
+24−107=61
+15
79 − 121
+45−87=68
+16
68 − 132
+36−100=64
−21
85.5 − 114.5
+63−92=45
+11
85.5 − 74.5
+72−61=27
+30
 121.5 − 78.5
+91−48=61
−4
12Cheng 4.413041        64 − 146
+34−116=60
+4
86.5 − 113.5
+69−96=35
+29
78.5 − 121.5
+48−91=61
+4
 
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

Open source engines (best versions only), top 12
#NameELO123456789101112
1Stockfish 1903213850 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Fire 8.136030.0 99.9100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Ethereal 12.7535830.00.1 100.0100.0100.0100.0100.0100.0100.0100.0100.0
4RubiChess 2.135350.00.00.0 100.0100.0100.0100.0100.0100.0100.0100.0
5Demolito 2020-12-2433050.00.00.00.0 99.8100.0100.0100.0100.0100.0100.0
6Minic 3.0632820.00.00.00.00.2 100.0100.0100.0100.0100.0100.0
7Senpai 2.032050.00.00.00.00.00.0 46.499.8100.0100.0100.0
8Vajolet2 2.832050.00.00.00.00.00.053.6 99.8100.0100.0100.0
9Stash 30.031820.00.00.00.00.00.00.20.2 100.0100.0100.0
10DanaSah 8.831220.00.00.00.00.00.00.00.00.0 71.8100.0
11Monolith 231180.00.00.00.00.00.00.00.00.028.2 100.0
12Cheng 4.4130410.00.00.00.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

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Results table
Performance table
Score table
LOS table
Proportion of draws
White score
Number of 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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Reference rating list:
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Created in 2005-2008 by CCRL team
Last games added on May 6, 2021