CCRL 40/2 FRC
Downloads and Statistics
April 19, 2021
Testing summary:
Total: 327'860 games
played by 250 programs

White wins: 131'950 (40.2%)
Black wins: 111'596 (34.0%)
Draws: 84'314 (25.7%)
White score: 53.1%

Open source engines

Comparing 103 engines!
25 best versions of selected engines played 6778 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 April 19, 2021 with Bayeselo based on 327'860 games
Please refer to the "about" page for comments on engine inclusion
RankNameRatingScoreAverage
Opponent
DrawsGamesLOS
ELO+
1Stockfish 1903213859+14−1478.1%−211.437.0%2160 
100.0%
 Stockfish 1101213821+14−1471.2%−156.440.6%1810
83.9%
 Stockfish 133811+14−1470.2%−145.943.6%1850
100.0%
 Stockfish 123773+11−1167.7%−129.442.0%3050
95.1%
 Stockfish 1707203760+13−1372.1%−154.938.2%2350
100.0%
 Stockfish 103716+11−1177.6%−196.335.6%3612
100.0%
 Stockfish 93667+13−1377.3%−213.134.8%2400
99.8%
 Stockfish 1809173640+14−1477.9%−221.033.0%2100
99.7%
 Stockfish 83614+11−1172.7%−180.536.9%3300
99.9%
2Ethereal 12.753588+10−1043.7%+50.037.0%3680
99.8%
 Ethereal 12.503567+10−1051.5%−8.441.0%3440
66.7%
 Stockfish 2005163563+16−1678.0%−230.727.1%1800
97.5%
3RubiChess 2.13541+11−1145.3%+38.134.5%3300
80.0%
 Stockfish 1503163532+15−1575.2%−199.731.6%1800
90.2%
 Ethereal 12.003519+10−1046.3%+29.438.5%3528
97.7%
 Stockfish 2008153499+15−1571.6%−168.731.6%1800
78.2%
 Ethereal 11.753491+12−1254.9%−38.839.0%2600
91.0%
 RubiChess 2.03478+14−1448.2%+18.234.0%1814
90.7%
 Ethereal 11.503465+12−1251.9%−17.937.4%2464
63.4%
 Stockfish 63462+13−1370.9%−161.832.6%2400
100.0%
 Stockfish 0405143412+15−1579.7%−245.923.0%2100
69.5%
 RubiChess 1.93406+13−1342.9%+49.431.5%2260
100.0%
 Stockfish DD3347+15−1474.9%−200.025.0%2100
99.9%
4Demolito 2020-12-243314+13−1341.5%+61.832.0%2306
91.1%
 Stockfish 1609133301+14−1464.6%−118.128.9%2100
68.3%
 Demolito 2021-04-033296+14−1444.7%+37.833.7%1874
100.0%
 Demolito 2020-02-053232+15−1545.8%+28.433.7%1500
65.2%
 Stockfish 33228+13−1369.2%−157.424.3%2700
99.8%
5‑6Senpai 2.03204+9−947.7%+17.331.5%4330
46.1%
5‑6Vajolet2 2.83204+11−1050.7%−5.235.5%3284
53.8%
 Stockfish 2.3.13203+15−1556.7%−56.029.3%1700
84.1%
 Stockfish 2.2.13191+18−1864.1%−109.827.0%1200
51.4%
 Stockfish VE_093191+16−1653.8%−37.329.5%1600
64.2%
 Stockfish 2.1.13186+19−1966.3%−123.828.6%1100
57.2%
 Stockfish 2.2.23184+20−2066.3%−126.128.5%1000
74.8%
 Demolito 2019-02-063175+16−1650.4%−4.529.9%1516
79.9%
7Stash 29.03166+14−1451.2%−10.228.6%1952
100.0%
8Minic 3.043136+13−1351.5%−11.628.5%2274
48.7%
 Stockfish 2.0.13136+18−1768.7%−144.926.8%1300
75.3%
 Stockfish 1.83127+19−1971.7%−166.823.9%1100
85.6%
9Monolith 23115+11−1152.3%−18.829.7%2932
59.5%
 Stockfish 1.73111+22−2271.5%−162.327.3%800
56.8%
 Stockfish 1.9.13109+25−2473.0%−179.921.7%700
68.3%
 Stash 28.03101+15−1548.2%+11.328.6%1540
99.8%
 Stash 27.03069+16−1652.6%−20.327.2%1524
76.5%
 Minic 3.033060+18−1852.8%−20.626.6%1100
95.5%
 Stockfish 1.63035+22−2264.6%−110.426.1%800
78.3%
 Minic 2.483023+20−2053.0%−21.223.9%960
98.2%
 Minic 2.212998+15−1549.2%+5.024.6%1750
94.3%
10Cheng 4.402981+15−1542.3%+52.525.3%1758
61.6%
 Demolito 2017-08-262978+15−1541.3%+66.925.9%1800
99.9%
 Stockfish 1.5.12938+19−1955.2%−39.623.8%1000
99.1%
11Bobcat 8.02910+12−1238.3%+86.725.4%2584
88.4%
12EXchess 7.92b2900+12−1241.5%+65.124.3%2570
73.4%
 EXchess 7.71b2894+14−1538.6%+90.123.1%1900
86.0%
 Cheng 4.392884+12−1243.2%+53.122.7%2570
97.1%
 Bobcat 7.62863+18−1852.0%−15.524.8%1100
99.1%
 Cheng4 0.382833+17−1745.2%+39.820.4%1300
56.9%
 Minic 1.152831+20−2048.6%+7.924.8%870
75.7%
13Cyclone xTreme Fear2823+9−947.3%+20.021.2%6420
82.5%
 EXchess 7.18b2816+14−1446.9%+25.422.1%1900
66.0%
 Bobcat 7.12811+18−1849.5%+3.525.1%1100
71.0%
 Toga CMLX 1.4.5e2802+22−2251.4%−7.425.9%700
76.1%
 Glaurung 2.22793+14−1458.3%−70.519.8%2200
90.8%
14GNU Chess 5.602781+11−1145.7%+32.523.6%3220
99.8%
 GNU Chess 5.502757+13−1354.2%−33.419.0%2500
58.3%
15Octochess 51902755+12−1251.6%−13.124.2%2820
99.6%
 Glaurung 2.12729+15−1451.0%−10.619.8%2000
89.4%
16Karballo 1.82714+17−1753.6%−27.024.6%1210
93.7%
 Glaurung 2.0.12696+15−1548.0%+8.522.6%1900
74.1%
 EXchess 6.50b2689+13−1352.0%−14.619.7%2300
100.0%
17DanaSah 8.302644+17−1747.3%+19.025.3%1200
75.6%
 Glaurung 1.2.12636+13−1346.6%+23.221.4%2400
95.6%
18Fridolin 3.002618+15−1546.0%+29.619.6%1730
73.6%
19Dumb 1.82610+20−2046.4%+28.117.3%1000
53.7%
20Daydreamer 1.752609+9−948.2%+14.321.8%5370
98.6%
 DanaSah 7.902590+15−1555.6%−41.420.5%1640
57.4%
21Maverick 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+16−1551.9%−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%
22Galjoen 0.40.12536+18−1848.9%+7.421.3%1168
83.5%
 Fridolin 2.002524+15−1550.4%−2.822.3%1600
59.6%
 Maverick 1.02521+18−1851.3%−9.720.8%1200
79.1%
 DanaSah 6.302511+18−1848.4%+10.322.1%1200
93.0%
 DanaSah 5.072492+18−1855.5%−41.522.7%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
69.4%
 DanaSah 5.002467+16−1651.6%−13.520.3%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%+9.820.6%1000
97.3%
 Maverick 0.602344+20−2050.4%−3.615.6%1000
81.6%
23Teki 22332+18−1849.8%+2.318.1%1200
100.0%
24Robocide 0.42192+19−2045.0%+39.219.1%1000
100.0%
 Galjoen 0.35.21989+22−2326.8%+189.917.2%900
100.0%
25Sapeli 1.201786+22−2259.5%−87.19.8%1056
78.2%
 Sapeli 1.021773+22−2246.4%+33.512.2%1100
98.5%
 Stash 11.0.11732+29−2854.4%−38.010.8%600
83.7%
 Sapeli 1.161707+36−3819.4%+271.312.3%400
 

Results matrix

Open source engines (best versions only), top 12
#NameELO123456789101112
1Stockfish 1903213859 271.5 − 38.5
+236−3=71
+24
267.5 − 32.5
+235−0=65
−2
         
2Ethereal 12.75358838.5 − 271.5
+3−236=71
−24
 172.5 − 127.5
+96−51=153
−2
         
3RubiChess 2.1354132.5 − 267.5
+0−235=65
+2
127.5 − 172.5
+51−96=153
+2
          
4Demolito 2020-12-243314    65 − 35
+49−19=32
−7
65.5 − 34.5
+43−12=45
−13
104 − 46
+83−25=42
−11
     
5Senpai 2.03204   35 − 65
+19−49=32
+7
 52.5 − 57.5
+34−39=37
−14
83 − 67
+57−41=52
−2
84 − 66
+57−39=54
−28
121 − 79
+87−45=68
−18
   
6Vajolet2 2.83204   34.5 − 65.5
+12−43=45
+13
57.5 − 52.5
+39−34=37
+14
 87.5 − 62.5
+56−31=63
+14
177.5 − 122.5
+126−71=103
−6
132 − 68
+100−36=64
+19
   
7Stash 29.03166   46 − 104
+25−83=42
+11
67 − 83
+41−57=52
+2
62.5 − 87.5
+31−56=63
−14
 75.5 − 74.5
+55−54=41
−29
90 − 60
+73−43=34
+23
120.5 − 29.5
+102−11=37
+41
  
8Minic 3.043136    66 − 84
+39−57=54
+28
122.5 − 177.5
+71−126=103
+6
74.5 − 75.5
+54−55=41
+29
 88 − 70
+65−47=46
+18
207.5 − 92.5
+164−49=87
−22
  
9Monolith 23115    79 − 121
+45−87=68
+18
68 − 132
+36−100=64
−19
60 − 90
+43−73=34
−23
70 − 88
+47−65=46
−18
 68 − 32
+54−18=28
−8
  
10Cheng 4.402981      29.5 − 120.5
+11−102=37
−41
92.5 − 207.5
+49−164=87
+22
32 − 68
+18−54=28
+8
 65.5 − 34.5
+52−21=27
+38
61.5 − 38.5
+49−26=25
+1
11Bobcat 8.02910         34.5 − 65.5
+21−52=27
−38
 47 − 53
+36−42=22
−32
12EXchess 7.92b2900         38.5 − 61.5
+26−49=25
−1
53 − 47
+42−36=22
+32
 
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 1903213859 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Ethereal 12.7535880.0 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
3RubiChess 2.135410.00.0 100.0100.0100.0100.0100.0100.0100.0100.0100.0
4Demolito 2020-12-2433140.00.00.0 100.0100.0100.0100.0100.0100.0100.0100.0
5Senpai 2.032040.00.00.00.0 46.1100.0100.0100.0100.0100.0100.0
6Vajolet2 2.832040.00.00.00.053.9 100.0100.0100.0100.0100.0100.0
7Stash 29.031660.00.00.00.00.00.0 100.0100.0100.0100.0100.0
8Minic 3.0431360.00.00.00.00.00.00.0 99.5100.0100.0100.0
9Monolith 231150.00.00.00.00.00.00.00.5 100.0100.0100.0
10Cheng 4.4029810.00.00.00.00.00.00.00.00.0 100.0100.0
11Bobcat 8.029100.00.00.00.00.00.00.00.00.00.0 88.4
12EXchess 7.92b29000.00.00.00.00.00.00.00.00.00.011.6 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

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Performance table
Score table
LOS table
Proportion of draws
White score
Number of games
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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 April 19, 2021