CCRL 40/40
Downloads and Statistics
January 29, 2010
Testing summary:
Total: 229'684 games
played by 768 programs
32773 CPU days (X2 4600+)

White wins: 82'765 (36.0%)
Black wins: 61'394 (26.7%)
Draws: 85'525 (37.2%)
White score: 54.7%

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 January 29, 2010 with Bayeselo based on 229'684 games
RankNameRatingScoreAverage
Opponent		DrawsGamesLOS
ELO+−
1Rybka 3 64-bit 4CPU3232+16−1676.6%−186.536.8%1470 
100.0%
2Naum 4 64-bit 4CPU3156+18−1863.4%−87.343.9%1008
66.9%
3Stockfish 1.6.2 64-bit 4CPU3146+39−3956.9%−41.844.6%202
82.3%
4Deep Shredder 12 64-bit OA On 4CPU3126+22−2261.4%−71.745.0%658
93.4%
5Deep Fritz 11 4CPU3098+29−2954.2%−27.555.2%335
93.5%
6Zappa Mexico II 64-bit 4CPU3073+14−1357.4%−46.946.5%1755
98.0%
7Spark 0.3 64-bit 4CPU3042+25−2549.1%+2.450.7%477
63.4%
8Thinker 5.4C Inert 64-bit 4CPU3036+17−1754.2%−29.539.2%1173
61.4%
9Deep Sjeng WC2008 64-bit 4CPU3033+16−1652.0%−15.640.7%1296
97.4%
10Hiarcs 12.1 4CPU3010+16−1645.0%+30.146.0%1168
58.2%
11Toga II 1.4.1SE 4CPU3008+14−1450.6%−2.741.0%1770
61.2%
12Bright 0.4a 4CPU3005+15−1551.0%−5.740.8%1450
94.7%
13Doch 09.980 64-bit2978+27−2750.9%−7.140.4%446
91.0%
14Loop M1-T 64-bit 4CPU2957+12−1243.9%+38.345.4%2383
98.6%
15Onno 1.1.1 64-bit2924+25−2547.9%+14.445.2%485
78.7%
16Deep Junior 10 4CPU2912+14−1344.0%+43.035.3%1897
73.0%
17Protector 1.3.1b 32-bit2903+23−2348.6%+10.043.8%584
65.3%
18Crafty 23.1 64-bit 4CPU2894+37−3743.7%+43.735.6%239
94.8%
19SmarThink 1.20 32-bit2857+24−2446.1%+25.642.0%550
53.8%
20Ktulu 92856+19−1939.8%+66.839.6%921
80.2%
21Spike 1.2 Turin2847+7−843.8%+40.039.8%7277
83.9%
22Scorpio 2.0 4CPU2835+22−2234.1%+110.036.8%728
67.2%
23Twisted Logic 200909222828+20−2044.7%+32.945.3%757
52.7%
24Delfi 5.4 2CPU2827+19−1941.0%+63.535.6%985
55.1%
25Chessmaster 11 2CPU2825+35−3547.5%+15.339.6%260
56.3%
26Bison 9.112821+31−3152.9%−21.237.6%343
65.3%
27Critter 0.422813+26−2654.5%−29.740.4%478
73.5%
28Chess Tiger 2007.12804+11−1144.1%+38.342.4%2821
66.8%
29Frenzee Feb08 32-bit2800+14−1445.2%+32.537.8%1739
72.7%
30Booot 4.15.02793+16−1643.4%+43.346.8%1189
94.1%
31Movei 00.8.438 (10 10 10)2777+13−1348.9%+4.538.4%1959
85.0%
32Alaric 7072767+14−1448.8%+8.235.1%1748
76.6%
33BugChess2 1.6.4 32-bit2756+27−2747.9%+11.841.6%413
62.8%
34‑35Cyrano 0.6b172750+18−1846.5%+22.940.3%958
51.7%
34‑35E.T. Chess 13.01.082750+16−1650.8%−5.837.6%1334
57.1%
36Colossus 2008b2748+18−1848.8%+8.838.6%1009
60.6%
37Chronos 1.9.72744+25−2552.4%−15.244.9%488
57.4%
38Slow Chess Blitz WV2.12741+13−1348.2%+11.837.0%2098
51.7%
39Pharaon 3.5.1 2CPU2740+32−3331.9%+137.627.4%368
63.6%
40Ruffian 2.1.02734+16−1647.4%+19.335.9%1376
67.1%
41WildCat 72729+15−1546.1%+26.438.1%1506
69.8%
42Gandalf 62724+13−1343.7%+43.236.0%2199
54.9%
43Hamsters 0.7.12722+20−2050.0%+1.041.6%826
53.1%
44Pro Deo 1.22721+17−1748.9%+4.930.5%1179
74.3%
45Chiron 0.8.72712+23−2351.3%−9.234.4%636
78.1%
46‑47Alfil 8.1.12701+15−1550.4%−6.133.1%1553
50.6%
46‑47Aristarch 4.502701+14−1445.9%+29.433.2%1801
55.8%
48The Baron 1.8.12699+24−2449.3%+3.131.8%614
54.9%
49‑50Petir 4.392696+27−2750.1%−3.540.0%425
49.8%
49‑50Pseudo 0.7c2696+16−1651.0%−6.038.0%1361
53.1%
51Sloppy 0.2.2 32-bit2695+16−1647.7%+15.837.3%1226
69.0%
52Lemming 0.242686+32−3248.4%+11.137.5%307
66.4%
53Jonny 2.832678+17−1746.8%+20.432.4%1232
80.2%
54Rotor 0.52666+24−2447.9%+13.139.0%585
58.5%
55SOS 5.12662+17−1746.5%+22.235.5%1132
58.0%
56Anaconda 2.0.12659+28−2847.8%+12.635.9%426
67.7%
57Tornado 2.22650+29−2855.7%−43.837.7%409
53.4%
58AnMon 5.662648+26−2650.5%−3.530.9%514
70.1%
59Ufim 8.022640+19−1948.9%+4.431.8%964
84.1%
60‑61DanaSah 4.242626+19−1951.4%−10.337.1%889
50.6%
60‑61GarboChess 2.202626+18−1849.0%+5.935.0%1066
51.6%
62Brutus 7.02b2625+24−2460.2%−70.835.8%576
55.1%
63Viper 0.12622+36−3646.7%+22.431.9%260
58.1%
64Cerebro 3.01c2618+31−3147.5%+17.529.2%367
50.5%
65Hermann 2.52617+34−3449.7%+1.925.4%295
53.2%
66Arasan 10.02615+34−3550.2%−1.830.4%286
56.8%
67Nimzo 82611+32−3242.0%+58.033.7%338
56.6%
68Little Goliath Evolution 3.122608+20−2045.7%+29.132.4%890
55.7%
69‑70Tao 5.62606+23−2348.2%+12.728.0%646
50.8%
69‑70Xpdnt 0910072606+35−3554.9%−33.534.3%268
52.0%
71NanoSzachy 3.72604+39−3956.9%−52.127.3%231
68.9%
72Trace 1.362592+30−3049.2%+5.130.3%390
55.1%
73Matacz 1.32589+28−2847.1%+20.432.5%412
53.0%
74‑75BBChess 1.3b2588+25−2550.7%−4.637.8%500
49.4%
74‑75N2 0.12588+28−2754.6%−28.441.6%411
55.7%
76Yace 0.99.872585+26−2649.1%+7.028.2%514
54.5%
77Quark 2.352583+24−2448.0%+12.231.3%569
53.2%
78‑80Anatoli 0.35k2582+20−2051.0%−9.332.1%895
50.1%
78‑80Pepito 1.59 32-bit2582+27−2749.2%+2.334.3%461
48.7%
78‑80SpiderChess 0706032582+31−3148.1%+16.940.6%323
66.6%
81Amyan 1.5972574+22−2146.7%+24.731.9%736
75.5%
82Counter 1.12563+23−2350.7%−8.038.7%622
52.3%
83Philou 3.0.02562+29−2949.3%+4.234.7%378
52.6%
84‑85Bruja 1.92560+28−2852.2%−13.935.8%402
51.2%
84‑85Delphil 1.9g2560+29−2950.9%−7.038.4%378
63.2%
86Kiwi 0.6d2553+30−3049.1%+2.032.5%378
52.3%
87Typhoon 1.00-3582551+22−2248.8%+8.334.4%684
75.2%
88‑89Post Modernist 10162539+27−2746.1%+26.028.1%459
51.1%
88‑89Pupsi2 0.072539+21−2147.2%+19.830.2%809
51.4%
90Homer 2.012538+23−2349.2%+4.432.2%646
58.7%
91Snitch 1.6.2 32-bit2534+26−2645.3%+31.729.0%503
64.3%
92Muse 0.899b2527+27−2748.4%+12.528.3%470
60.0%
93KnightDreamer 3.32521+36−3648.0%+15.932.5%249
60.1%
94‑95Diablo 0.5.12516+24−2451.2%−7.732.6%559
48.8%
94‑95Dragon 4.62516+21−2146.3%+25.134.0%761
53.4%
96Djinn 0.925x2515+26−2646.4%+23.228.5%516
51.2%
97RomiChess P3k 32-bit2514+20−2049.5%+2.933.3%857
58.0%
98Queen 4.032511+21−2148.7%+7.236.0%733
52.9%
99Gaia 3.5 32-bit2510+25−2548.0%+14.528.7%544
62.3%
100Comet B682504+25−2645.8%+30.125.3%549
59.1%
101Gosu 0.162500+27−2746.3%+26.926.9%494
51.2%
102Amy 0.87b2499+33−3349.2%+8.525.7%319
52.5%
103‑104Sage 3.532498+21−2150.5%−3.327.1%820
51.1%
103‑104Sorgenkind 0.42498+20−2052.3%−15.427.7%907
51.2%
105‑106Horizon 4.42497+21−2150.1%−1.426.8%833
50.7%
105‑106Patzer 3.802497+31−3148.5%+12.124.5%364
52.4%
107Dirty ACCA32496+29−2945.9%+27.334.7%375
50.7%
108Amateur 2.822495+23−2346.2%+26.024.9%672
51.3%
109GreKo 6.302494+37−3747.9%+14.632.5%237
52.4%
110Phalanx XXII2493+38−3847.5%+18.125.2%238
69.4%
111Thor's Hammer 2.28 32-bit2481+30−3048.8%+8.829.0%379
80.6%
112Tytan 9.32462+30−3050.1%+0.924.6%399
54.7%
113Glass 1.32459+28−2850.5%−2.132.2%416
69.3%
114Flux 2.22450+25−2548.7%+8.728.9%546
56.7%
115Rodin 2.3a2446+35−3554.2%−29.727.2%283
51.0%
116WChess 1.62445+32−3247.5%+15.433.1%317
53.1%
117LittleThought 1.03 32-bit2444+21−2147.5%+19.624.9%826
53.2%
118Aice 0.99.22442+28−2846.4%+25.628.4%454
53.7%
119Popochin 2.92440+41−4146.2%+32.432.4%210
52.0%
120Chezzz 1.0.32439+33−3351.8%−15.429.3%304
53.0%
121Asterisk 0.62437+21−2149.7%+1.527.2%801
60.0%
122KnightX 1.922433+29−2950.8%−6.726.1%429
54.7%
123Amundsen 0.802430+35−3548.7%+12.429.6%277
50.6%
124Arion 1.72429+27−2753.6%−27.429.1%481
81.4%
125Daydreamer 1.52411+31−3057.2%−56.633.7%377
52.8%
126Cheese 1.32409+21−2246.3%+27.429.5%765
52.9%
127‑128Anechka 0.082408+23−2345.1%+37.326.8%657
49.3%
127‑128Natwarlal 0.142408+23−2346.5%+25.223.4%696
54.6%
129Zeus 1.272406+35−3650.7%−11.223.4%303
50.6%
130Averno 0.812405+31−3148.9%+6.826.1%357
56.1%
131Joker 1.1.142402+23−2350.5%−3.127.8%654
53.2%
132Ant 2006-F2401+27−2846.4%+24.025.5%482
95.7%
133Chispa 4.0.32368+26−2649.7%+1.826.5%521
75.8%
134‑135AliChess 4.062352+35−3544.3%+36.531.2%279
50.2%
134‑135EXchess 5.01b2352+30−3046.1%+24.532.3%368
51.6%
136Ares 1.02351+41−4238.9%+77.626.0%208
60.7%
137‑138Ayito 0.2.9942344+29−2946.0%+27.323.2%436
50.3%
137‑138Feuerstein 0.4.6.12344+25−2548.9%+7.027.8%543
58.0%
139Waxman 20092340+32−3248.4%+11.227.5%335
56.9%
140Deuterium 06.08.25.042336+29−2945.0%+34.228.8%406
61.4%
141BlackBishop 1.02330+27−2749.9%−0.227.9%456
51.1%
142ChessAlex 2.0r42329+24−2449.2%+2.929.0%593
56.4%
143‑144Gibbon 2.52a2326+27−2749.9%−0.530.2%460
50.2%
143‑144Uralochka 1.1b2326+22−2249.3%+4.626.2%726
72.3%
145ZCT 0.3.24512315+28−2849.1%+6.126.2%447
55.2%
146EveAnn 1.622312+34−3448.9%+5.127.4%310
54.4%
147RattateChess Bologna 20072310+25−2552.1%−15.325.3%576
57.9%
148Atlas 2.202305+36−3650.4%−4.421.5%275
53.3%
149Latista (Sinobyl) 1.52303+32−3150.8%−8.324.4%360
57.2%
150‑151Alf 1.092300+25−2549.6%−0.929.3%566
49.1%
150‑151Neurosis 2.52300+25−2549.8%+0.732.5%530
53.0%
152Buzz 0.08 32-bit2299+28−2851.1%−7.725.4%472
53.5%
153Atak 6.52297+29−2951.4%−11.423.8%425
51.9%
154Mediocre 0.342296+35−3550.6%−6.722.7%308
60.7%
155OBender 3.2.4.22290+22−2250.1%−0.229.5%712
60.8%
156NagaSkaki 5.122286+25−2651.1%−9.028.8%525
60.9%
157Lime 662281+25−2550.5%−6.922.9%586
55.5%
158Pawny 0.132278+39−3855.6%−42.518.4%250
53.0%
159OliThink 5.1.92276+34−3446.3%+29.422.7%309
51.8%
160Sungorus 1.22275+28−2853.3%−24.127.8%439
80.2%
161Bearded 06_292255+34−3449.2%+7.425.0%308
53.6%
162TJchess 0.1212253+24−2446.5%+28.223.3%643
53.3%
163Parrot 07.07.222252+27−2750.3%−2.522.3%503
79.0%
164Prophet 2.02237+24−2545.5%+32.922.5%608
62.6%
165Clarabit 1.002231+24−2449.2%+3.230.8%585
89.6%
166Adam 3.12209+25−2547.0%+20.819.8%607
96.8%
167‑168BikJump 2.012175+26−2651.4%−9.030.1%495
50.6%
167‑168FireFly 2.5.42175+39−3950.6%−9.319.6%245
54.9%
169BigLion 2.23x2172+25−2544.8%+36.627.7%588
56.4%
170Matheus 2.32168+31−3144.6%+39.321.9%383
61.2%
171Mustang 4.972162+32−3245.6%+30.732.4%343
80.0%
172KMTChess 1.12142+33−3444.9%+35.825.1%315
62.9%
173Monarch 1.72135+26−2642.6%+67.120.4%589
75.9%
174BibiChess 0.52119+37−3744.9%+35.322.2%266
70.1%
175Heracles 0.6.162104+38−3849.0%+8.028.8%243
86.6%
176Smash 1.0.32076+31−3140.4%+76.718.4%403
55.6%
177Marvin 1.3.02073+28−2940.8%+68.123.0%457
73.8%
178Rival 1.182060+29−3042.7%+52.126.7%412
77.8%
179Micro-Max 4.8 (DM-PII)2045+26−2648.2%+15.025.1%517
70.4%
180Slibo 0.4.82031+43−4530.7%+156.513.3%225
71.2%
181ECE 0.32016+27−2738.2%+91.220.2%530
55.6%
182Clueless 1.42013+25−2637.5%+99.917.9%605
53.5%
183Warrior 1.0.32011+34−3441.3%+65.824.8%311
75.9%
184Surprise 4.3b131996+31−3236.3%+107.119.3%394
 

Results matrix

All engines (top 12, best versions only)
#NameELO1
Rybka
2
Naum
3
Stock
4
Deep
5
Deep
6
Zappa
7
Spark
8
Think
9
Deep
10
Hiarc
11
Toga
12
Brigh
1Rybka 3 64-bit 4CPU3232 51 − 24
+34−7=34
+36		33.5 − 18.5
+23−8=21
+7		29 − 16
+18−5=22
−17		27 − 13
+17−3=20
−28		39.5 − 14.5
+26−1=27
−20		 44.5 − 9.5
+38−3=13
+48		36 − 11
+27−2=18
−23		25 − 7
+18−0=14
−44		39.5 − 10.5
+33−4=13
−11		38.5 − 7.5
+33−2=11
+29
2Naum 4 64-bit 4CPU315624 − 51
+7−34=34
−36		  36.5 − 24.5
+23−11=27
+31		21.5 − 18.5
+5−2=33
−41		20 − 12
+11−3=18
−12		 36 − 13
+26−3=20
+33		33 − 15
+23−5=20
−3		36.5 − 11.5
+26−1=21
+19		31.5 − 10.5
+23−2=17
+15		44 − 10
+36−2=16
+74
3Stockfish 1.6.2 64-bit 4CPU314618.5 − 33.5
+8−23=21
−7		  26.5 − 24.5
+14−12=25
−6		  32.5 − 16.5
+19−3=27
−11		  37.5 − 12.5
+29−4=17
+31		  
4Deep Shredder 12 64-bit OA On 4CPU312616 − 29
+5−18=22
+17		24.5 − 36.5
+11−23=27
−31		24.5 − 26.5
+12−14=25
+6		   28.5 − 21.5
+15−8=27
−43		34.5 − 16.5
+24−6=21
+22		41.5 − 25.5
+26−10=31
−20		72.5 − 31.5
+46−5=53
0		35.5 − 14.5
+26−5=19
+19		34.5 − 17.5
+25−8=19
−11
5Deep Fritz 11 4CPU309813 − 27
+3−17=20
+28		18.5 − 21.5
+2−5=33
+41		   23.5 − 16.5
+11−4=25
+22		  24 − 13
+13−2=22
+20		 27 − 13
+19−5=16
+22		 
6Zappa Mexico II 64-bit 4CPU307314.5 − 39.5
+1−26=27
+20		12 − 20
+3−11=18
+12		  16.5 − 23.5
+4−11=25
−22		 17 − 15
+6−4=22
−14		21.5 − 23.5
+11−13=21
−50		45.5 − 28.5
+26−9=39
+27		17 − 15
+9−7=16
−44		33 − 20
+22−9=22
+12		50.5 − 25.5
+33−8=35
+33
7Spark 0.3 64-bit 4CPU3042  16.5 − 32.5
+3−19=27
+11		21.5 − 28.5
+8−15=27
+43		 15 − 17
+4−6=22
+14		  16.5 − 15.5
+8−7=17
0		43.5 − 40.5
+23−20=41
−21		  
8Thinker 5.4C Inert 64-bit 4CPU30369.5 − 44.5
+3−38=13
−48		13 − 36
+3−26=20
−33		 16.5 − 34.5
+6−24=21
−22		 23.5 − 21.5
+13−11=21
+50		  31 − 25
+23−17=16
+35		36.5 − 24.5
+21−9=31
+32		33.5 − 25.5
+22−14=23
+16		35.5 − 20.5
+26−11=19
+58
9Deep Sjeng WC2008 64-bit 4CPU303311 − 36
+2−27=18
+23		15 − 33
+5−23=20
+3		 25.5 − 41.5
+10−26=31
+20		13 − 24
+2−13=22
−20		28.5 − 45.5
+9−26=39
−27		15.5 − 16.5
+7−8=17
0		25 − 31
+17−23=16
−35		 17.5 − 14.5
+10−7=15
+3		33.5 − 20.5
+24−11=19
+53		18 − 16
+10−8=16
−10
10Hiarcs 12.1 4CPU30107 − 25
+0−18=14
+44		11.5 − 36.5
+1−26=21
−19		12.5 − 37.5
+4−29=17
−31		31.5 − 72.5
+5−46=53
0		 15 − 17
+7−9=16
+44		40.5 − 43.5
+20−23=41
+21		24.5 − 36.5
+9−21=31
−32		14.5 − 17.5
+7−10=15
−3		 19 − 13
+12−6=14
+58		14.5 − 17.5
+9−12=11
−34
11Toga II 1.4.1SE 4CPU300810.5 − 39.5
+4−33=13
+11		10.5 − 31.5
+2−23=17
−15		 14.5 − 35.5
+5−26=19
−19		13 − 27
+5−19=16
−22		20 − 33
+9−22=22
−12		 25.5 − 33.5
+14−22=23
−16		20.5 − 33.5
+11−24=19
−53		13 − 19
+6−12=14
−58		 43.5 − 35.5
+26−18=35
+28
12Bright 0.4a 4CPU30057.5 − 38.5
+2−33=11
−29		10 − 44
+2−36=16
−74		 17.5 − 34.5
+8−25=19
+11		 25.5 − 50.5
+8−33=35
−33		 20.5 − 35.5
+11−26=19
−58		16 − 18
+8−10=16
+10		17.5 − 14.5
+12−9=11
+34		35.5 − 43.5
+18−26=35
−28		 
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
Sto
4
Dee
5
Dee
6
Zap
7
Spa
8
Thi
9
Dee
10
Hia
11
Tog
12
Bri
1Rybka 3 64-bit 4CPU3232 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Naum 4 64-bit 4CPU31560.0 66.998.3100.0100.0100.0100.0100.0100.0100.0100.0
3Stockfish 1.6.2 64-bit 4CPU31460.033.1 82.397.1100.0100.0100.0100.0100.0100.0100.0
4Deep Shredder 12 64-bit OA On 4CPU31260.01.717.7 93.4100.0100.0100.0100.0100.0100.0100.0
5Deep Fritz 11 4CPU30980.00.02.96.6 93.599.7100.0100.0100.0100.0100.0
6Zappa Mexico II 64-bit 4CPU30730.00.00.00.06.5 98.0100.0100.0100.0100.0100.0
7Spark 0.3 64-bit 4CPU30420.00.00.00.00.32.0 63.471.398.198.498.9
8Thinker 5.4C Inert 64-bit 4CPU30360.00.00.00.00.00.036.6 61.498.699.599.7
9Deep Sjeng WC2008 64-bit 4CPU30330.00.00.00.00.00.028.638.6 97.499.099.4
10Hiarcs 12.1 4CPU30100.00.00.00.00.00.01.91.42.6 58.267.5
11Toga II 1.4.1SE 4CPU30080.00.00.00.00.00.01.60.51.041.8 61.2
12Bright 0.4a 4CPU30050.00.00.00.00.00.01.10.30.632.538.8 
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

229'684 games (44.05 MB)

All games with comments

229'684 games (136.45 MB)
(Please don't use aggressive download managers)

Various statistics

Created in 2005-2008 by CCRL team
Last games added on January 29, 2010