CCRL 40/40
Downloads and Statistics
July 3, 2009
Testing summary:
Total: 190'762 games
played by 653 programs
27529 CPU days (X2 4600+)

White wins: 68'971 (36.2%)
Black wins: 51'458 (27.0%)
Draws: 70'333 (36.9%)
White score: 54.6%

Rating list

CCRL 40/40 Rating List — All engines (best versions only) (Quote)

Ponder off, General book (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 July 3, 2009 with Bayeselo based on 190'762 games
RankNameRatingScoreAverage
Opponent		DrawsGamesLOS
ELO+−
1Rybka 3 64-bit 4CPU3233+18−1777.5%−194.935.9%1263 
100.0%
2Naum 4 64-bit 4CPU3160+21−2064.2%−93.442.9%767
100.0%
3Deep Fritz 11 4CPU3097+29−2954.2%−26.855.2%335
95.2%
4Zappa Mexico II 64-bit 4CPU3070+15−1557.9%−50.546.8%1479
99.0%
5Thinker 5.4C Inert 64-bit 4CPU3041+20−2055.9%−39.937.3%859
76.2%
6Deep Sjeng WC2008 64-bit 4CPU3032+19−1951.2%−8.439.4%903
83.5%
7Deep Shredder 11 64-bit 4CPU3021+12−1251.6%−12.342.5%2149
54.7%
8Hiarcs 12.1 4CPU3019+32−3242.4%+46.645.4%304
74.1%
9Toga II 1.4.1SE 4CPU3007+15−1550.8%−3.440.7%1518
56.2%
10Glaurung 2.2 64-bit 4CPU3005+19−1950.6%−3.639.3%964
56.8%
11Bright 0.4a 4CPU3003+16−1651.8%−11.140.2%1287
100.0%
12Loop M1-T 64-bit 4CPU2956+12−1245.0%+31.445.9%2104
98.1%
13Onno 1.0 32-bit2918+32−3247.0%+20.657.5%280
64.6%
14Deep Junior 10 4CPU2912+14−1443.8%+43.735.3%1860
98.5%
15Ktulu 92874+30−3142.2%+49.244.0%332
81.2%
16Crafty 23.0 64-bit 4CPU2857+19−2038.6%+81.133.4%918
74.0%
17Spike 1.2 Turin2850+8−844.5%+35.039.8%6472
95.6%
18Delfi 5.4 2CPU2828+23−2347.5%+16.637.1%628
52.5%
19Scorpio 2.0 4CPU2827+23−2335.4%+101.836.4%640
53.8%
20Chessmaster 11 2CPU2825+34−3547.5%+16.039.6%260
63.7%
21‑22SmarThink 1.10 32-bit2816+35−3550.7%−3.334.8%267
50.3%
21‑22Twisted Logic 200806202816+21−2150.5%−3.738.7%754
86.7%
23Chess Tiger 2007.12803+11−1144.0%+39.542.1%2760
83.5%
24Frenzee Feb082793+17−1747.4%+17.738.7%1145
78.4%
25Booot 4.15.02781+25−2544.6%+34.946.2%470
73.1%
26Movei 00.8.438 (10 10 10)2772+15−1552.6%−20.736.7%1446
73.4%
27Alaric 7072765+15−1549.0%+6.834.7%1635
85.0%
28Cyrano 0.6b172752+21−2149.4%+3.240.1%706
55.8%
29Colossus 2008b2750+21−2151.5%−10.536.9%747
62.0%
30E.T. Chess 13.01.082746+18−1850.7%−5.737.8%1060
70.0%
31Slow Chess Blitz WV2.12740+13−1348.2%+11.937.1%2082
52.3%
32‑33Hamsters 0.72739+35−3551.4%−8.839.1%258
49.3%
32‑33Pharaon 3.5.1 2CPU2739+32−3331.9%+137.927.4%368
62.1%
34Ruffian 2.1.02733+16−1647.7%+18.335.7%1331
68.6%
35WildCat 72728+15−1546.1%+27.138.2%1492
75.3%
36Gandalf 62721+13−1343.3%+46.436.4%2159
55.4%
37‑38BugChess2 1.6.32720+20−2046.8%+22.136.7%791
48.6%
37‑38Pro Deo 1.22720+17−1748.9%+4.930.5%1179
72.8%
39Chiron 0.8.72711+24−2352.1%−13.434.5%603
76.3%
40Alfil 8.1.12701+17−1751.6%−15.231.8%1197
54.0%
41Aristarch 4.502699+14−1445.1%+35.533.7%1699
59.2%
42The Baron 1.8.12696+25−2549.3%+3.032.7%550
53.2%
43‑44Petir 4.392694+27−2750.1%−3.540.0%425
50.8%
43‑44Pseudo 0.7c2694+17−1750.3%−1.638.4%1181
58.4%
45Sloppy 0.2.02691+18−1847.0%+20.235.4%1002
64.1%
46Lemming 0.242685+32−3248.4%+10.437.5%307
53.5%
47Chronos 1.9.62683+26−2651.5%−11.138.1%462
59.4%
48Jonny 2.832679+17−1747.0%+18.632.2%1200
89.5%
49SOS 5.12663+18−1846.1%+24.335.7%1036
61.5%
50Anaconda 2.0.12658+30−3048.6%+6.537.0%362
67.8%
51Tornado 2.22648+30−2957.2%−52.737.0%387
71.2%
52‑53AnMon 5.662637+28−2849.3%+4.631.6%424
49.0%
52‑53Ufim 8.022637+20−2048.2%+8.931.9%840
67.7%
54GarboChess 2.202630+21−2149.3%+4.434.1%736
67.7%
55Viper 0.12620+36−3646.7%+22.231.9%260
53.4%
56Brutus 7.022618+31−3065.5%−107.334.8%368
54.9%
57Tao 5.62616+28−2851.5%−10.427.3%447
50.3%
58Cerebro 3.01c2615+31−3147.5%+18.229.2%367
53.1%
59Arasan 10.02614+34−3450.2%−2.630.4%286
53.9%
60Nimzo 82611+32−3241.8%+59.633.8%334
52.4%
61DanaSah 4.242610+26−2652.4%−17.936.7%482
54.2%
62Little Goliath Evolution 3.122608+20−2045.4%+31.032.7%832
65.7%
63Hermann 2.42601+27−2747.3%+19.127.1%462
72.3%
64‑65Matacz 1.32589+28−2847.1%+20.032.2%410
50.8%
64‑65Yace 0.99.872589+27−2749.7%+2.928.7%456
50.6%
66Trace 1.362588+30−3049.0%+7.730.4%388
58.1%
67Quark 2.352584+25−2648.1%+11.731.8%516
51.6%
68SpiderChess 0706032583+32−3248.1%+17.240.4%319
55.1%
69‑70Pepito 1.592581+26−2749.7%+0.034.4%465
49.0%
69‑70Rotor 0.42581+18−1851.8%−12.132.4%1043
55.6%
71Anatoli 0.35k2579+22−2253.2%−24.531.7%682
60.7%
72Amyan 1.5972575+22−2246.6%+24.731.7%715
51.7%
73BBChess 1.3a2574+26−2652.0%−15.330.8%500
57.2%
74Crimson 1.02569+40−3953.2%−25.529.7%222
53.2%
75Bruja 1.92567+29−2953.9%−25.236.5%373
65.7%
76Counter 1.12559+28−2849.8%−1.940.0%403
52.0%
77Delphil 1.9g2558+32−3250.2%−2.537.3%311
66.3%
78‑79Kiwi 0.6d2548+30−3048.8%+4.732.7%376
49.9%
78‑79Typhoon 1.00-3582548+26−2647.5%+16.134.7%478
62.7%
80Post Modernist 10162542+29−2946.4%+23.126.8%406
51.4%
81Homer 2.012541+24−2450.3%−2.832.3%560
53.8%
82Critter 0.382539+33−3351.9%−13.632.7%312
60.6%
83Snitch 1.6.2 32-bit2533+26−2645.3%+31.528.9%505
53.8%
84Pupsi2 0.072531+25−2546.1%+28.830.6%546
60.4%
85Muse 0.899b2526+29−2947.4%+19.427.6%410
60.0%
86Djinn 0.925x2521+28−2846.6%+21.627.9%456
53.3%
87KnightDreamer 3.32519+36−3648.0%+15.732.5%249
58.4%
88‑89NanoSzachy 3.42514+24−2452.8%−23.528.3%611
51.3%
88‑89Queen 4.02a2514+26−2649.4%+1.133.9%505
53.9%
90Dragon 4.62512+22−2344.7%+35.133.8%662
53.6%
91RomiChess P3k2510+23−2349.8%+2.334.5%609
56.6%
92Diablo 0.5.12507+28−2851.0%−5.831.1%437
53.3%
93Sorgenkind 0.42506+24−2450.6%−3.827.7%588
50.9%
94Gaia 3.5 32-bit2505+27−2748.4%+11.228.0%482
52.7%
95Gosu 0.162504+28−2846.7%+23.026.5%442
51.3%
96Horizon 4.42503+24−2450.2%−1.825.6%626
57.2%
97Amateur 2.822500+27−2745.4%+31.824.7%506
53.1%
98Amy 0.87b2498+33−3349.2%+8.425.7%319
55.3%
99‑101Comet B682495+26−2644.2%+41.525.1%518
50.1%
99‑101Patzer 3.802495+31−3148.5%+12.424.5%364
51.4%
99‑101Sage 3.532495+24−2449.7%+2.728.3%619
55.8%
102Phalanx XXII2491+38−3847.5%+18.525.2%238
52.7%
103Dirty 0.99 OW52490+29−2941.2%+56.630.6%402
54.3%
104GreKo 6.252487+40−4051.2%−10.132.2%208
58.6%
105Thor's Hammer 2.28 32-bit2481+30−3049.1%+7.028.7%380
60.5%
106Philou 2.7.02474+39−3948.2%+12.029.2%226
75.8%
107Tytan 9.32455+35−3549.2%+8.824.4%303
57.9%
108Flux 2.22451+27−2748.5%+9.528.1%470
67.3%
109LittleThought 1.03 32-bit2443+25−2546.1%+29.424.5%584
51.3%
110Aice 0.99.22442+28−2846.3%+25.629.8%423
51.5%
111Chezzz 1.0.32441+38−3850.6%−8.427.7%242
58.4%
112‑113Asterisk 0.62436+23−2349.8%+0.226.7%658
50.7%
112‑113Popochin 2.92436+41−4146.2%+32.232.4%210
62.8%
114KnightX 1.922427+29−2950.8%−5.826.1%421
55.5%
115Arion 1.72425+27−2753.5%−27.228.8%473
52.5%
116Cheese 1.32423+28−2846.1%+29.732.2%450
76.6%
117Anechka 0.082409+27−2744.5%+40.925.9%491
58.4%
118Natwarlal 0.142405+23−2346.0%+28.723.8%663
59.3%
119Averno 0.812400+33−3349.2%+4.226.6%323
53.0%
120‑121Joker 1.1.142399+25−2450.5%−4.326.6%583
50.1%
120‑121Xpdnt 0809272399+31−3151.4%−10.222.2%365
53.4%
122Ant 2006-F2397+27−2846.2%+25.625.4%484
56.6%
123Zeus 1.272393+41−4149.4%−2.322.3%233
52.6%
124Rodin 2.1b2391+34−3447.5%+20.021.9%306
68.2%
125Bison 8.2.4r2380+26−2648.0%+14.123.2%525
54.0%
126Glass 1.22378+33−3353.4%−22.129.3%307
53.0%
127Chispa 4.0.32377+28−2852.2%−15.526.5%437
89.8%
128AliChess 4.062348+35−3544.3%+36.031.2%279
51.4%
129EXchess 5.01b2347+30−3046.1%+24.232.3%368
73.5%
130Ayito 0.2.9942334+30−3045.1%+32.923.1%402
56.5%
131Deuterium 06.08.25.042330+29−2945.0%+34.828.8%406
53.2%
132Gibbon 2.52a2328+40−4049.3%+4.931.3%208
59.9%
133Feuerstein 0.4.6.12321+32−3249.4%+3.728.6%325
70.1%
134Uralochka 1.1b2310+28−2850.0%+1.723.4%462
56.1%
135ZCT 0.3.24512307+28−2849.0%+6.726.1%445
52.8%
136EveAnn 1.622305+34−3449.0%+3.927.5%306
53.4%
137ChessAlex 2.0r42303+31−3149.3%+3.927.4%365
54.3%
138Sinobyl 1.502301+33−3351.8%−16.525.0%328
55.6%
139Atlas 2.202297+36−3650.0%−1.821.3%277
52.2%
140Buzz 0.08 32-bit2296+30−2951.8%−13.127.2%408
52.1%
141Alf 1.092295+30−3051.2%−12.028.7%380
52.4%
142RattateChess Bologna 20072293+28−2852.2%−15.924.1%453
55.3%
143Amundsen 0.65.12290+38−3851.3%−10.023.5%238
62.4%
144Neurosis 2.42282+31−3150.7%−4.323.8%374
56.4%
145‑146BlackBishop 0.472278+38−3849.8%+2.124.3%239
50.4%
145‑146NagaSkaki 5.122278+32−3251.5%−11.530.1%326
61.5%
147OBender 3.2.4.22272+27−2747.3%+19.028.3%467
63.4%
148Lime 662264+33−3352.0%−17.320.4%333
68.3%
149Bearded 06-292252+38−3849.2%+7.324.7%247
55.5%
150Atak 6.02248+40−4049.3%+1.824.0%225
52.3%
151TJchess 0.1212247+29−2945.1%+37.223.0%440
54.2%
152Mediocre 0.3342244+32−3247.5%+19.222.0%354
57.5%
153Parrot 07.01.162239+40−4045.0%+36.720.8%231
63.5%
154Prophet 2.02231+26−2645.5%+32.722.9%550
57.0%
155Clarabit 1.002227+30−3048.7%+7.730.9%382
86.8%
156Adam 3.12204+27−2747.6%+15.718.8%537
91.8%
157Matheus 2.32174+34−3447.2%+19.223.0%317
64.9%
158BigLion 2.23x2165+27−2744.6%+38.428.6%472
51.0%
159FireFly 2.5.42164+39−3950.2%−5.119.9%241
65.2%
160Mustang 4.972154+32−3245.7%+30.132.3%341
54.6%
161BikJump 1.82152+38−3849.6%+1.920.2%258
82.8%
162Monarch 1.72129+27−2742.6%+68.220.6%569
73.3%
163BibiChess 0.52114+40−4046.9%+21.222.1%226
96.0%
164Smash 1.0.32068+32−3239.7%+82.018.7%379
55.8%
165Marvin 1.3.02065+29−3040.5%+70.623.1%425
75.2%
166Rival 1.182050+30−3142.2%+56.427.1%384
72.2%
167Micro-Max 4.8 (DM-PII)2039+26−2648.2%+14.825.1%517
93.5%
168ECE 0.32010+30−3139.0%+83.720.5%410
52.5%
169Clueless 1.42008+26−2637.6%+99.117.7%577
55.1%
170Warrior 1.0.32006+35−3641.3%+63.724.7%287
64.3%
171Surprise 4.3b131997+34−3437.8%+94.219.0%336
 

Results matrix

All engines (top 12, best versions only)
#NameELO1
Rybka
2
Naum
3
Deep
4
Zappa
5
Think
6
Deep
7
Deep
8
Hiarc
9
Toga
10
Glaur
11
Brigh
12
Loop
1Rybka 3 64-bit 4CPU3233 51 − 24
+34−7=34
+39		27 − 13
+17−3=20
−30		39.5 − 14.5
+26−1=27
−24		44.5 − 9.5
+38−3=13
+52		36 − 11
+27−2=18
−25		34.5 − 11.5
+25−2=19
−52		25 − 7
+18−0=14
−36		39.5 − 10.5
+33−4=13
−14		81.5 − 14.5
+68−1=27
+28		38.5 − 7.5
+33−2=11
+26		36.5 − 9.5
+28−1=17
−80
2Naum 4 64-bit 4CPU316024 − 51
+7−34=34
−39		 21.5 − 18.5
+5−2=33
−46		20 − 12
+11−3=18
−19		36 − 13
+26−3=20
+34		33 − 15
+23−5=20
−9		33 − 14
+26−7=14
+2		36.5 − 11.5
+26−1=21
+24		31.5 − 10.5
+23−2=17
+10		32.5 − 7.5
+27−2=11
+71		44 − 10
+36−2=16
+68		34 − 10
+24−0=20
−34
3Deep Fritz 11 4CPU309713 − 27
+3−17=20
+30		18.5 − 21.5
+2−5=33
+46		 23.5 − 16.5
+11−4=25
+20		 24 − 13
+13−2=22
+20		22 − 18
+12−8=20
−46		 27 − 13
+19−5=16
+22		   
4Zappa Mexico II 64-bit 4CPU307014.5 − 39.5
+1−26=27
+24		12 − 20
+3−11=18
+19		16.5 − 23.5
+4−11=25
−20		 21.5 − 23.5
+11−13=21
−42		45.5 − 28.5
+26−9=39
+29		26.5 − 27.5
+10−11=33
−54		17 − 15
+9−7=16
−32		33 − 20
+22−9=22
+14		25 − 21
+13−9=24
−40		50.5 − 25.5
+33−8=35
+34		27.5 − 10.5
+19−2=17
+25
5Thinker 5.4C Inert 64-bit 4CPU30419.5 − 44.5
+3−38=13
−52		13 − 36
+3−26=20
−34		 23.5 − 21.5
+13−11=21
+42		 31 − 25
+23−17=16
+29		29 − 25
+18−14=22
+3		 33.5 − 25.5
+22−14=23
+10		31 − 34
+17−20=28
−51		35.5 − 20.5
+26−11=19
+51		28.5 − 17.5
+17−6=23
−13
6Deep Sjeng WC2008 64-bit 4CPU303211 − 36
+2−27=18
+25		15 − 33
+5−23=20
+9		13 − 24
+2−13=22
−20		28.5 − 45.5
+9−26=39
−29		25 − 31
+17−23=16
−29		 30 − 30
+21−21=18
−10		17.5 − 14.5
+10−7=15
+13		33.5 − 20.5
+24−11=19
+53		28 − 28
+17−17=22
−27		18 − 16
+10−8=16
−11		31 − 15
+21−5=20
+33
7Deep Shredder 11 64-bit 4CPU302111.5 − 34.5
+2−25=19
+52		14 − 33
+7−26=14
−2		18 − 22
+8−12=20
+46		27.5 − 26.5
+11−10=33
+54		25 − 29
+14−18=22
−3		30 − 30
+21−21=18
+10		 16 − 16
+9−9=14
−2		20.5 − 24.5
+14−18=13
−47		29 − 26
+16−13=26
0		30 − 27
+18−15=24
−1		44.5 − 26.5
+27−9=35
+11
8Hiarcs 12.1 4CPU30197 − 25
+0−18=14
+36		11.5 − 36.5
+1−26=21
−24		 15 − 17
+7−9=16
+32		 14.5 − 17.5
+7−10=15
−13		16 − 16
+9−9=14
+2		 19 − 13
+12−6=14
+47		17.5 − 14.5
+9−6=17
+15		14.5 − 17.5
+9−12=11
−45		 
9Toga II 1.4.1SE 4CPU300710.5 − 39.5
+4−33=13
+14		10.5 − 31.5
+2−23=17
−10		13 − 27
+5−19=16
−22		20 − 33
+9−22=22
−14		25.5 − 33.5
+14−22=23
−10		20.5 − 33.5
+11−24=19
−53		24.5 − 20.5
+18−14=13
+47		13 − 19
+6−12=14
−47		 18.5 − 15.5
+12−9=13
+23		43.5 − 35.5
+26−18=35
+27		31.5 − 16.5
+17−2=29
+36
10Glaurung 2.2 64-bit 4CPU300514.5 − 81.5
+1−68=27
−28		7.5 − 32.5
+2−27=11
−71		 21 − 25
+9−13=24
+40		34 − 31
+20−17=28
+51		28 − 28
+17−17=22
+27		26 − 29
+13−16=26
0		14.5 − 17.5
+6−9=17
−15		15.5 − 18.5
+9−12=13
−23		 15 − 17
+7−9=16
−20		27 − 20
+18−11=18
−1
11Bright 0.4a 4CPU30037.5 − 38.5
+2−33=11
−26		10 − 44
+2−36=16
−68		 25.5 − 50.5
+8−33=35
−34		20.5 − 35.5
+11−26=19
−51		16 − 18
+8−10=16
+11		27 − 30
+15−18=24
+1		17.5 − 14.5
+12−9=11
+45		35.5 − 43.5
+18−26=35
−27		17 − 15
+9−7=16
+20		 79.5 − 50.5
+49−20=61
+23
12Loop M1-T 64-bit 4CPU29569.5 − 36.5
+1−28=17
+80		10 − 34
+0−24=20
+34		 10.5 − 27.5
+2−19=17
−25		17.5 − 28.5
+6−17=23
+13		15 − 31
+5−21=20
−33		26.5 − 44.5
+9−27=35
−11		 16.5 − 31.5
+2−17=29
−36		20 − 27
+11−18=18
+1		50.5 − 79.5
+20−49=61
−23		 
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

All engines (top 12, best versions only)
#NameELO1
Ryb
2
Nau
3
Dee
4
Zap
5
Thi
6
Dee
7
Dee
8
Hia
9
Tog
10
Gla
11
Bri
12
Loo
1Rybka 3 64-bit 4CPU3233 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Naum 4 64-bit 4CPU31600.0 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Deep Fritz 11 4CPU30970.00.0 95.299.9100.0100.0100.0100.0100.0100.0100.0
4Zappa Mexico II 64-bit 4CPU30700.00.04.8 99.099.9100.099.8100.0100.0100.0100.0
5Thinker 5.4C Inert 64-bit 4CPU30410.00.00.11.0 76.296.288.499.799.799.9100.0
6Deep Sjeng WC2008 64-bit 4CPU30320.00.00.00.123.8 83.576.398.097.898.9100.0
7Deep Shredder 11 64-bit 4CPU30210.00.00.00.03.816.5 54.791.991.495.7100.0
8Hiarcs 12.1 4CPU30190.00.00.00.211.623.745.3 74.176.680.4100.0
9Toga II 1.4.1SE 4CPU30070.00.00.00.00.32.08.125.9 56.264.5100.0
10Glaurung 2.2 64-bit 4CPU30050.00.00.00.00.32.28.623.443.8 56.8100.0
11Bright 0.4a 4CPU30030.00.00.00.00.11.14.319.635.543.2 100.0
12Loop M1-T 64-bit 4CPU29560.00.00.00.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Complete list (all engines and versions)

Pure list (removes rating distortions)

Selections from the complete rating list:

All engines   |   32-bit

1-2-CPU engines   |   32-bit

Single-CPU engines   |   32-bit

Multi-CPU engines   |   32-bit

2-CPU engines   |   32-bit

4-CPU engines   |   32-bit

Free engines   |   32-bit

Free 1-2-CPU engines   |   32-bit

Free single-CPU engines   |   32-bit

Free multi-CPU engines   |   32-bit

Free 2-CPU engines   |   32-bit

Free 4-CPU engines   |   32-bit

Open source engines   |   32-bit

Open source 1-2-CPU engines   |   32-bit

Open source single-CPU engines   |   32-bit

Open source multi-CPU engines   |   32-bit

Open source 2-CPU engines   |   32-bit

Open source 4-CPU engines   |   32-bit

Custom comparison

Step 1. Select class of engines to compare:

Only public releases (no private engines)
Only stable versions (no beta versions)
Only engines with default settings
Only new versions
Only best versions from each family

Select additional individual engines or engine families. You can select multiple items in each list by pressing SHIFT or CTRL while selecting. These lists can be used all at the same time, all selections will be simply combined together.

Families

Engines


Step 2. Select output that you want to see.

Rating list
Testing profile
  (Step: , Numbers: )

Results table
Performance table
Score table
LOS table
Ponder hit table
Eval difference 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
Ponder hit with common opponents
Ponder hit with all opponents
Eval difference with common opponents
Eval difference with all opponents

Ponder hit: most similar pairs
Ponder hit: most similar pairs (different families only)
Ponder hit: most different pairs
Ponder hit: most different pairs (same families only)
Eval diff: most similar pairs
Eval diff: most similar pairs (different families only)
Eval diff: most different pairs
Eval diff: most different pairs (same families only)

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


Step 3.


Download games in PGN format

All games are compressed with 7-zip.

All games, without comments

190'762 games (36.57 MB)

All games with comments

190'762 games (114.64 MB)

Selection of games
(Please don't use aggressive download managers)

Various statistics

Created in 2005-2008 by CCRL team
Last games added on July 3, 2009