CCRL 40/40
Downloads and Statistics
April 11, 2008
Testing summary:
Total: 114'872 games
played by 449 programs
16375 CPU days (X2 4600+)

White wins: 41'478 (36.1%)
Black wins: 31'357 (27.3%)
Draws: 42'037 (36.6%)
White score: 54.4%

Pure list for free 32-bit single-CPU engines

Pure database download

To save space, pure database has all moves stripped out, it contains PGN header and results only. This pure database is useful only for rating calculation or similar analysis, it does not have actual games, only the results.

Download pure database, 4'243 games:0.01 MB

CCRL 40/40 Rating List — Pure free 32-bit single-CPU engines

Ponder off, General books (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 40 minutes on Athlon 64 X2 4600+ (2.4 GHz)
Computed on April 11, 2008 with Bayeselo based on 4'243 games
RankNameRatingScoreAverage
Opponent		DrawsGamesLOS
ELO+−
1Toga II 1.2.1a2874 (+13)+29−2866.6%−115.831.9%389 
91.0%
2Spike 1.2 Turin2850 (−2)+23−2364.3%−94.637.4%583
91.3%
3Naum 2.0 32-bit2826 (+24)+27−2760.4%−67.338.1%399
98.3%
4Scorpio 1.912778 (+13)+34−3449.0%+4.434.0%253
63.5%
5Glaurung 1.2.1 32-bit2770 (+9)+26−2651.8%−11.631.1%441
96.8%
6Slow Chess Blitz WV2.12738 (−3)+21−2151.4%−9.436.3%667
53.7%
7Movei 00.8.4382736 (−8)+35−3451.7%−10.137.8%238
61.1%
8WildCat 72730 (+1)+22−2249.2%+6.737.8%627
66.9%
9Pro Deo 1.22722 (−3)+26−2650.2%−2.129.7%444
60.6%
10List 5.122717 (−4)+26−2645.4%+30.634.5%455
65.3%
11Pharaon 3.5.12710 (0)+23−2346.5%+24.432.7%590
65.3%
12Ruffian 1.0.52703 (−8)+24−2446.0%+26.441.6%500
69.1%
13Pseudo 0.7c2694 (+3)+26−2650.0%−1.337.1%442
54.1%
14Delfi 5.02692 (−11)+27−2747.3%+16.236.5%403
61.2%
15Aristarch 4.502687 (−13)+24−2449.0%+6.936.3%512
89.4%
16‑17Colossus 2006f2662 (+3)+31−3245.1%+34.530.3%304
50.0%
16‑17Jonny 2.83 32-bit2662 (−16)+26−2744.7%+35.628.8%438
62.1%
18SOS 5.12655 (−10)+31−3141.7%+53.337.8%307
85.5%
19AnMon 5.602629 (+12)+36−3739.9%+68.430.6%232
83.4%
20Little Goliath Evolution 3.122604 (−5)+34−3534.7%+103.434.4%262
 

Results matrix

Pure free 32-bit single-CPU engines
#NameELO1
Toga
2
Spike
3
Naum
4
Scorp
5
Glaur
6
Slow
7
Movei
8
WildC
9
Pro D
10
List
11
Phara
12
Ruffi
13
Pseud
14
Delfi
15
Arist
16
Colos
17
Jonny
18
SOS 5
19
AnMon
20
Littl
1Toga II 1.2.1a2874 39 − 42
+22−25=34
−36		20 − 12
+14−6=12
+33		23.5 − 9.5
+18−4=11
+43		21.5 − 14.5
+17−10=9
−34		29 − 8
+24−3=10
+70		 26 − 9
+21−4=10
+26		1 − 1
+1−1=0
−152		22 − 10
+17−5=10
−27		23.5 − 8.5
+20−5=7
+7		25.5 − 6.5
+21−2=9
+40		2 − 1
+1−0=2
−84		4 − 2
+3−1=2
−72		  1 − 0
+1−0=0
+INF		9 − 3
+7−1=4
−46		 12 − 3
+10−1=4
−52
2Spike 1.2 Turin285042 − 39
+25−22=34
+36		 32.5 − 29.5
+21−18=23
−7		30 − 14
+22−6=16
+43		36.5 − 21.5
+27−12=19
+4		25.5 − 19.5
+15−9=21
−71		5.5 − 2.5
+4−1=3
+8		41 − 16
+30−5=22
+25		15 − 7
+11−3=8
−7		42.5 − 19.5
+30−7=25
−16		27 − 13
+20−6=14
−24		27 − 9
+22−4=10
+30		6 − 4
+4−2=4
−97		6 − 2
+4−0=4
−8		1.5 − 0.5
+1−0=1
−20		7.5 − 2.5
+6−1=3
−17		6.5 − 1.5
+5−0=3
+18		8 − 3
+6−1=4
−51		9.5 − 3.5
+8−2=3
−50		5.5 − 0.5
+5−0=1
+113
3Naum 2.0 32-bit282612 − 20
+6−14=12
−33		29.5 − 32.5
+18−21=23
+7		 18 − 13
+13−8=10
+7		21.5 − 18.5
+15−12=13
−29		24 − 13
+16−5=16
+6		 31.5 − 16.5
+22−7=19
+3		11 − 5
+9−3=4
+29		22.5 − 9.5
+17−4=11
+26		30.5 − 12.5
+21−3=19
+14		21 − 11
+13−3=16
−30		2.5 − 1.5
+1−0=3
−64		2.5 − 0.5
+2−0=1
+109		1.5 − 0.5
+1−0=1
+17		5.5 − 1.5
+5−1=1
+70		1.5 − 1.5
+1−1=1
−178		2 − 1
+1−0=2
−88		2 − 0
+2−0=0
+INF		2 − 0
+2−0=0
+INF
4Scorpio 1.9127789.5 − 23.5
+4−18=11
−43		14 − 30
+6−22=16
−43		13 − 18
+8−13=10
−7		 16 − 15
+11−10=10
+3		17.5 − 20.5
+11−14=13
−64		25.5 − 12.5
+18−5=15
+69		4.5 − 1.5
+4−1=1
+146		4 − 2
+3−1=2
+62		 2.5 − 1.5
+2−1=1
+13		 3.5 − 2.5
+2−1=3
−32		2 − 0
+2−0=0
+INF		 1.5 − 0.5
+1−0=1
+40		4 − 0
+4−0=0
+INF		5 − 1
+4−0=2
+106		 1.5 − 0.5
+1−0=1
−17
5Glaurung 1.2.1 32-bit277014.5 − 21.5
+10−17=9
+34		21.5 − 36.5
+12−27=19
−4		18.5 − 21.5
+12−15=13
+29		15 − 16
+10−11=10
−3		 24 − 18
+19−13=10
+19		 25 − 23
+17−15=16
−24		10.5 − 14.5
+7−11=7
−105		26.5 − 13.5
+19−6=15
+52		28.5 − 15.5
+23−10=11
+46		17 − 15
+11−9=12
−46		4.5 − 3.5
+3−2=3
−39		5.5 − 3.5
+4−2=3
−10		0 − 2
+0−2=0
−INF		5.5 − 2.5
+5−2=1
+38		4 − 2
+3−1=2
+2		3 − 3
+1−1=4
−115		1.5 − 0.5
+1−0=1
+15		3.5 − 0.5
+3−0=1
+115
6Slow Chess Blitz WV2.127388 − 29
+3−24=10
−70		19.5 − 25.5
+9−15=21
+71		13 − 24
+5−16=16
−6		20.5 − 17.5
+14−11=13
+64		18 − 24
+13−19=10
−19		 18.5 − 22.5
+11−15=15
−29		23.5 − 22.5
+14−13=19
0		22.5 − 15.5
+17−10=11
+43		16.5 − 15.5
+10−9=13
−10		21 − 25
+13−17=16
−53		16 − 16
+7−7=18
−35		7.5 − 5.5
+4−2=7
−5		24.5 − 16.5
+17−9=15
+11		24 − 19
+16−11=16
−14		3 − 1
+3−1=0
+149		27 − 14
+22−9=10
+39		12 − 8
+9−5=6
−19		24.5 − 13.5
+18−7=13
−10		23.5 − 9.5
+17−3=13
+3
7Movei 00.8.4382736 2.5 − 5.5
+1−4=3
−8		 12.5 − 25.5
+5−18=15
−69		 22.5 − 18.5
+15−11=15
+29		 18 − 17
+10−9=16
+3		1.5 − 1.5
+1−1=1
−14		 22.5 − 14.5
+17−9=11
+48		 17 − 17
+10−10=14
−42		 23 − 12
+17−6=12
+54		 0.5 − 1.5
+0−1=1
−215		1 − 1
+0−0=2
−81		2 − 1
+2−1=0
+25		 
8WildCat 727309 − 26
+4−21=10
−26		16 − 41
+5−30=22
−25		16.5 − 31.5
+7−22=19
−3		1.5 − 4.5
+1−4=1
−146		23 − 25
+15−17=16
+24		22.5 − 23.5
+13−14=19
0		17 − 18
+9−10=16
−3		 34.5 − 31.5
+25−22=19
+5		18 − 16
+11−9=14
+4		20.5 − 21.5
+15−16=11
−30		18.5 − 13.5
+11−6=15
+22		4.5 − 0.5
+4−0=1
+293		19.5 − 14.5
+12−7=15
+8		16 − 20
+8−12=16
−74		23 − 9
+19−5=8
+91		2.5 − 1.5
+1−0=3
−8		16.5 − 7.5
+10−1=13
+31		8 − 4
+5−1=6
0		21.5 − 9.5
+15−3=13
−6
9Pro Deo 1.227221 − 1
+1−1=0
+152		7 − 15
+3−11=8
+7		5 − 11
+3−9=4
−29		2 − 4
+1−3=2
−62		14.5 − 10.5
+11−7=7
+105		15.5 − 22.5
+10−17=11
−43		1.5 − 1.5
+1−1=1
+14		31.5 − 34.5
+22−25=19
−5		 18.5 − 11.5
+16−9=5
+85		19 − 16
+13−10=12
+15		14.5 − 15.5
+7−8=15
−29		22 − 14
+16−8=12
+47		14 − 18
+8−12=12
−72		25 − 20
+20−15=10
+9		0 − 1
+0−1=0
−INF		17.5 − 16.5
+15−14=5
−49		13 − 8
+9−4=8
+9		 1.5 − 0.5
+1−0=1
+24
10List 5.12271710 − 22
+5−17=10
+27		19.5 − 42.5
+7−30=25
+16		9.5 − 22.5
+4−17=11
−26		 13.5 − 26.5
+6−19=15
−52		15.5 − 16.5
+9−10=13
+10		 16 − 18
+9−11=14
−4		11.5 − 18.5
+9−16=5
−85		 14 − 18
+11−15=6
−54		20 − 12
+12−4=16
+57		 16 − 16
+11−11=10
−25		17 − 15
+9−7=16
−12		1 − 0
+1−0=0
+INF		24.5 − 7.5
+21−4=7
+141		18.5 − 13.5
+14−9=9
−8		  
11Pharaon 3.5.127108.5 − 23.5
+5−20=7
−7		13 − 27
+6−20=14
+24		12.5 − 30.5
+3−21=19
−14		1.5 − 2.5
+1−2=1
−13		15.5 − 28.5
+10−23=11
−46		25 − 21
+17−13=16
+53		14.5 − 22.5
+9−17=11
−48		21.5 − 20.5
+16−15=11
+30		16 − 19
+10−13=12
−15		18 − 14
+15−11=6
+54		 14 − 18
+8−12=12
−47		18.5 − 21.5
+11−14=15
−39		19 − 18
+13−12=12
−8		23.5 − 14.5
+15−6=17
+50		7 − 3
+5−1=4
+78		23 − 19
+17−13=12
−17		3 − 1
+3−1=0
+170		10.5 − 5.5
+8−3=5
+20		10 − 6
+6−2=8
−32
12Ruffian 1.0.527036.5 − 25.5
+2−21=9
−40		9 − 27
+4−22=10
−30		11 − 21
+3−13=16
+30		 15 − 17
+9−11=12
+46		16 − 16
+7−7=18
+35		 13.5 − 18.5
+6−11=15
−22		15.5 − 14.5
+8−7=15
+29		12 − 20
+4−12=16
−57		18 − 14
+12−8=12
+47		 17 − 14
+10−7=14
+18		15.5 − 16.5
+8−9=15
−21		16.5 − 19.5
+8−11=17
−40		18.5 − 13.5
+14−9=9
+14		20 − 16
+14−10=12
−2		12.5 − 9.5
+8−5=9
−4		7 − 4
+4−1=6
+5		6.5 − 3.5
+5−2=3
−2
13Pseudo 0.7c26941 − 2
+0−1=2
+84		4 − 6
+2−4=4
+97		1.5 − 2.5
+0−1=3
+64		2.5 − 3.5
+1−2=3
+32		3.5 − 4.5
+2−3=3
+39		5.5 − 7.5
+2−4=7
+5		17 − 17
+10−10=14
+42		0.5 − 4.5
+0−4=1
−293		14 − 22
+8−16=12
−47		 21.5 − 18.5
+14−11=15
+39		14 − 17
+7−10=14
−18		 25.5 − 12.5
+18−5=15
+106		22 − 17
+16−11=12
+35		17.5 − 16.5
+11−10=13
−22		23.5 − 25.5
+16−18=15
−46		23.5 − 22.5
+14−13=19
−30		9 − 12
+7−10=4
−121		15 − 10
+11−6=8
−20
14Delfi 5.026922 − 4
+1−3=2
+72		2 − 6
+0−4=4
+8		0.5 − 2.5
+0−2=1
−109		0 − 2
+0−2=0
−INF		3.5 − 5.5
+2−4=3
+10		16.5 − 24.5
+9−17=15
−11		 14.5 − 19.5
+7−12=15
−8		18 − 14
+12−8=12
+72		16 − 16
+11−11=10
+25		18 − 19
+12−13=12
+8		16.5 − 15.5
+9−8=15
+21		12.5 − 25.5
+5−18=15
−106		 22.5 − 15.5
+16−9=13
+58		20.5 − 21.5
+13−14=15
−37		20.5 − 18.5
+15−13=11
−10		3.5 − 2.5
+2−1=3
+15		1.5 − 0.5
+1−0=1
+93		2 − 0
+2−0=0
+INF
15Aristarch 4.502687 0.5 − 1.5
+0−1=1
+20		0.5 − 1.5
+0−1=1
−17		 2 − 0
+2−0=0
+INF		19 − 24
+11−16=16
+14		12 − 23
+6−17=12
−54		20 − 16
+12−8=16
+74		20 − 25
+15−20=10
−9		15 − 17
+7−9=16
+12		14.5 − 23.5
+6−15=17
−50		19.5 − 16.5
+11−8=17
+40		17 − 22
+11−16=12
−35		15.5 − 22.5
+9−16=13
−58		 20.5 − 17.5
+14−11=13
0		22 − 17
+15−10=14
+14		13 − 9
+9−5=8
+24		20.5 − 14.5
+15−9=11
−2		19.5 − 10.5
+15−6=9
+20
16Colossus 2006f2662 2.5 − 7.5
+1−6=3
+17		1.5 − 5.5
+1−5=1
−70		0.5 − 1.5
+0−1=1
−40		2.5 − 5.5
+2−5=1
−38		1 − 3
+1−3=0
−149		 9 − 23
+5−19=8
−91		1 − 0
+1−0=0
+INF		0 − 1
+0−1=0
−INF		3 − 7
+1−5=4
−78		13.5 − 18.5
+9−14=9
−14		16.5 − 17.5
+10−11=13
+22		21.5 − 20.5
+14−13=15
+37		17.5 − 20.5
+11−14=13
0		 20.5 − 18.5
+13−11=15
+14		10.5 − 7.5
+9−6=3
+57		6.5 − 6.5
+5−5=3
−36		9.5 − 3.5
+8−2=3
+111
17Jonny 2.83 32-bit26620 − 1
+0−1=0
−INF		1.5 − 6.5
+0−5=3
−18		1.5 − 1.5
+1−1=1
+178		0 − 4
+0−4=0
−INF		2 − 4
+1−3=2
−2		14 − 27
+9−22=10
−39		1.5 − 0.5
+1−0=1
+215		1.5 − 2.5
+0−1=3
+8		16.5 − 17.5
+14−15=5
+49		7.5 − 24.5
+4−21=7
−141		19 − 23
+13−17=12
+17		16 − 20
+10−14=12
+2		25.5 − 23.5
+18−16=15
+46		18.5 − 20.5
+13−15=11
+10		17 − 22
+10−15=14
−14		18.5 − 20.5
+11−13=15
−14		 7.5 − 4.5
+5−2=5
+68		10 − 11
+8−9=4
−51		18 − 8
+15−5=6
+81
18SOS 5.126553 − 9
+1−7=4
+46		3 − 8
+1−6=4
+51		1 − 2
+0−1=2
+88		1 − 5
+0−4=2
−106		3 − 3
+1−1=4
+115		8 − 12
+5−9=6
+19		1 − 1
+0−0=2
+81		7.5 − 16.5
+1−10=13
−31		8 − 13
+4−9=8
−9		13.5 − 18.5
+9−14=9
+8		1 − 3
+1−3=0
−170		9.5 − 12.5
+5−8=9
+4		22.5 − 23.5
+13−14=19
+30		2.5 − 3.5
+1−2=3
−15		9 − 13
+5−9=8
−24		7.5 − 10.5
+6−9=3
−57		4.5 − 7.5
+2−5=5
−68		 11.5 − 7.5
+9−5=5
+47		11 − 10
+6−5=10
−37
19AnMon 5.602629 3.5 − 9.5
+2−8=3
+50		0 − 2
+0−2=0
−INF		 0.5 − 1.5
+0−1=1
−15		13.5 − 24.5
+7−18=13
+10		1 − 2
+1−2=0
−25		4 − 8
+1−5=6
0		  5.5 − 10.5
+3−8=5
−20		4 − 7
+1−4=6
−5		12 − 9
+10−7=4
+121		0.5 − 1.5
+0−1=1
−93		14.5 − 20.5
+9−15=11
+2		6.5 − 6.5
+5−5=3
+36		11 − 10
+9−8=4
+51		7.5 − 11.5
+5−9=5
−47		 8.5 − 15.5
+4−11=9
−114
20Little Goliath Evolution 3.1226043 − 12
+1−10=4
+52		0.5 − 5.5
+0−5=1
−113		0 − 2
+0−2=0
−INF		0.5 − 1.5
+0−1=1
+17		0.5 − 3.5
+0−3=1
−115		9.5 − 23.5
+3−17=13
−3		 9.5 − 21.5
+3−15=13
+6		0.5 − 1.5
+0−1=1
−24		 6 − 10
+2−6=8
+32		3.5 − 6.5
+2−5=3
+2		10 − 15
+6−11=8
+20		0 − 2
+0−2=0
−INF		10.5 − 19.5
+6−15=9
−20		3.5 − 9.5
+2−8=3
−111		8 − 18
+5−15=6
−81		10 − 11
+5−6=10
+37		15.5 − 8.5
+11−4=9
+114		 
Performance color legend:
(Only pairs with at least 30 games)
-120 -100 -80 -60 -40 -20 0 20 40 60 80 100 120

History of "pure" testing for free 32-bit single-CPU engines

LOS matrix

Pure free 32-bit single-CPU engines
#NameELO1
Tog
2
Spi
3
Nau
4
Sco
5
Gla
6
Slo
7
Mov
8
Wil
9
Pro
10
Lis
11
Pha
12
Ruf
13
Pse
14
Del
15
Ari
16
Col
17
Jon
18
SOS
19
AnM
20
Lit
1Toga II 1.2.1a2874 91.099.2100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Spike 1.2 Turin28509.0 91.3100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Naum 2.0 32-bit28260.88.7 98.399.8100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
4Scorpio 1.9127780.00.01.6 63.597.295.798.799.199.699.999.9100.0100.0100.0100.0100.0100.0100.0100.0
5Glaurung 1.2.1 32-bit27700.00.00.236.5 96.892.898.999.399.8100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
6Slow Chess Blitz WV2.127380.00.00.02.83.2 53.769.681.288.495.998.199.399.599.9100.0100.0100.0100.0100.0
7Movei 00.8.43827360.00.00.04.37.246.3 61.171.978.788.592.396.996.798.799.899.999.9100.0100.0
8WildCat 727300.00.00.01.31.130.438.9 66.976.788.894.397.698.299.5100.0100.0100.0100.0100.0
9Pro Deo 1.227220.00.00.00.90.718.828.133.1 60.675.184.992.993.997.399.799.999.9100.0100.0
10List 5.1227170.00.00.00.40.211.621.323.339.4 65.377.787.790.094.999.499.899.8100.0100.0
11Pharaon 3.5.127100.00.00.00.10.04.111.511.224.934.6 65.381.383.691.299.099.699.6100.0100.0
12Ruffian 1.0.527030.00.00.00.10.01.97.75.715.122.334.7 69.172.582.597.998.899.199.9100.0
13Pseudo 0.7c26940.00.00.00.00.00.73.12.47.112.318.730.9 54.165.694.195.897.399.7100.0
14Delfi 5.026920.00.00.00.00.00.53.31.86.110.016.427.545.9 61.292.794.395.699.6100.0
15Aristarch 4.5026870.00.00.00.00.00.11.30.52.75.18.817.534.438.8 89.491.794.199.5100.0
16Colossus 2006f26620.00.00.00.00.00.00.20.00.30.61.02.15.97.310.6 50.061.290.299.1
17Jonny 2.83 32-bit26620.00.00.00.00.00.00.10.00.10.20.41.24.25.78.350.0 62.191.999.5
18SOS 5.126550.00.00.00.00.00.00.10.00.10.20.40.92.74.45.938.837.9 85.598.4
19AnMon 5.6026290.00.00.00.00.00.00.00.00.00.00.00.10.30.40.59.88.114.5 83.4
20Little Goliath Evolution 3.1226040.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.90.51.616.6 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100
Created in 2005-2008 by CCRL team
Last games added on April 11, 2008