CCRL 40/40
Downloads and Statistics
February 5, 2010
Testing summary:
Total: 231'789 games
played by 771 programs
32996 CPU days (X2 4600+)

White wins: 83'519 (36.0%)
Black wins: 61'915 (26.7%)
Draws: 86'355 (37.3%)
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 February 5, 2010 with Bayeselo based on 231'789 games
RankNameRatingScoreAverage
Opponent		DrawsGamesLOS
ELO+−
1Rybka 3 64-bit 4CPU3232+16−1676.6%−186.136.8%1470 
100.0%
2Naum 4 64-bit 4CPU3156+18−1863.4%−86.943.9%1008
66.9%
3Stockfish 1.6.3 64-bit 4CPU3147+39−3956.9%−42.344.6%202
82.3%
4Deep Shredder 12 64-bit OA On 4CPU3127+22−2261.4%−72.345.0%658
93.3%
5Deep Fritz 11 4CPU3098+29−2954.2%−27.255.2%335
93.5%
6Zappa Mexico II 64-bit 4CPU3074+14−1457.4%−47.746.5%1755
98.2%
7Spark 0.3 64-bit 4CPU3042+25−2549.1%+3.250.7%477
64.2%
8Thinker 5.4C Inert 64-bit 4CPU3036+17−1754.2%−29.139.2%1173
61.4%
9Deep Sjeng WC2008 64-bit 4CPU3033+16−1652.0%−15.240.7%1296
97.5%
10Hiarcs 12.1 4CPU3011+16−1644.9%+30.146.3%1220
58.0%
11Toga II 1.4.1SE 4CPU3008+14−1450.6%−2.441.0%1770
61.1%
12Bright 0.4a 4CPU3006+15−1551.0%−6.440.8%1450
70.7%
13Doch 1.2 64-bit2997+26−2652.8%−20.743.3%466
99.5%
14Loop M1-T 64-bit 4CPU2957+12−1243.9%+38.745.4%2383
99.9%
15Onno 1.0 64-bit2921+18−1842.5%+52.341.5%962
76.9%
16Deep Junior 10 4CPU2913+14−1444.0%+42.235.3%1897
71.7%
17Protector 1.3.1b 32-bit2904+23−2348.8%+9.343.6%608
69.0%
18Crafty 23.1 64-bit 4CPU2893+37−3743.7%+43.835.6%239
92.2%
19SmarThink 1.20 32-bit2861+23−2446.7%+21.242.1%565
61.7%
20Ktulu 92856+18−1939.7%+68.739.9%968
82.4%
21Spike 1.2 Turin2847+8−743.7%+40.739.8%7342
83.1%
22Scorpio 2.0 4CPU2836+22−2234.1%+109.336.8%728
70.9%
23‑24Delfi 5.4 2CPU2828+19−1941.0%+63.035.6%985
48.3%
23‑24Twisted Logic 200909222828+20−2044.5%+34.545.3%801
56.3%
25Chessmaster 11 2CPU2825+35−3547.5%+15.639.6%260
57.8%
26Bison 9.112820+30−3051.9%−14.939.1%361
65.6%
27Critter 0.422812+26−2654.3%−27.740.2%480
69.7%
28Chess Tiger 2007.12805+11−1144.2%+37.842.4%2836
66.4%
29Frenzee Feb08 32-bit2801+14−1445.1%+33.037.7%1777
72.2%
30Booot 4.15.02795+16−1643.4%+42.746.4%1213
95.0%
31Movei 00.8.438 (10 10 10)2778+13−1348.9%+4.138.4%1959
86.8%
32Alaric 7072767+14−1449.4%+3.835.2%1856
76.5%
33BugChess2 1.6.4 32-bit2756+27−2747.9%+11.741.6%413
60.9%
34‑35Cyrano 0.6b172751+18−1846.5%+22.840.3%958
51.8%
34‑35E.T. Chess 13.01.082751+16−1650.8%−5.937.6%1334
57.6%
36Colossus 2008b2749+18−1848.8%+8.638.6%1009
60.7%
37Chronos 1.9.72744+25−2552.4%−14.444.9%488
59.9%
38Slow Chess Blitz WV2.12741+13−1348.2%+11.737.0%2098
50.8%
39Pharaon 3.5.1 2CPU2740+32−3331.9%+138.027.4%368
63.3%
40Ruffian 2.1.02734+16−1647.4%+19.735.9%1376
67.5%
41WildCat 82729+18−1847.9%+12.937.8%1014
65.7%
42Gandalf 62724+12−1243.7%+43.536.0%2199
52.4%
43Hamsters 0.7.12723+20−2050.0%+1.141.6%826
56.8%
44Pro Deo 1.22721+17−1748.9%+4.730.5%1179
72.3%
45Chiron 0.8.72712+23−2351.3%−8.734.4%636
77.3%
46Alfil 8.1.12702+15−1550.5%−6.733.0%1559
54.9%
47Aristarch 4.502701+14−1445.9%+29.433.2%1801
53.7%
48The Baron 1.8.12699+24−2449.3%+3.731.8%614
54.8%
49‑50Petir 4.392697+27−2750.1%−3.840.0%425
50.3%
49‑50Pseudo 0.7c2697+16−1651.0%−6.538.0%1361
52.2%
51Sloppy 0.2.2 32-bit2696+16−1647.7%+15.637.3%1226
59.2%
52Arasan 11.6 64-bit2691+40−4050.9%−7.624.1%216
56.0%
53Lemming 0.242687+32−3248.4%+10.737.5%307
67.6%
54Jonny 2.832678+16−1746.8%+20.532.4%1232
77.6%
55Rotor 0.52667+23−2348.1%+12.438.9%591
60.8%
56SOS 5.12663+17−1746.5%+21.735.5%1132
58.5%
57Anaconda 2.0.12659+27−2847.8%+13.235.9%426
66.8%
58Tornado 2.22651+29−2855.7%−43.937.7%409
52.3%
59AnMon 5.662650+25−2650.5%−4.030.9%514
59.1%
60Ufim 8.022646+18−1848.7%+6.032.1%1072
92.2%
61‑62DanaSah 4.242627+19−1951.5%−10.937.2%895
49.3%
61‑62GarboChess 2.202627+18−1849.3%+4.335.1%1076
54.0%
63Brutus 7.02b2625+24−2460.2%−70.535.8%576
54.2%
64Viper 0.12623+36−3646.7%+22.231.9%260
58.0%
65Cerebro 3.01c2619+31−3147.5%+17.329.2%367
61.6%
66Nimzo 82612+32−3242.0%+57.433.7%338
56.9%
67Little Goliath Evolution 3.122609+19−2045.7%+28.532.4%890
54.9%
68‑69Hermann 2.42607+23−2349.8%+1.129.3%651
50.0%
68‑69Tao 5.62607+23−2348.2%+12.528.0%646
52.3%
70‑71NanoSzachy 3.72605+39−3956.9%−51.927.3%231
50.7%
70‑71Xpdnt 0910072605+34−3454.7%−32.534.5%278
70.7%
72Trace 1.362592+30−3049.2%+5.630.3%390
54.5%
73‑74Matacz 1.32590+28−2847.1%+20.132.5%412
49.8%
73‑74N2 0.12590+27−2754.9%−29.841.7%417
53.8%
75BBChess 1.3b2588+25−2550.7%−4.037.8%500
55.6%
76Yace 0.99.872585+26−2649.1%+7.528.2%514
54.5%
77‑78Quark 2.352583+24−2448.0%+12.631.3%569
51.1%
77‑78SpiderChess 0706032583+31−3148.1%+16.440.6%323
51.2%
79Pepito 1.59 32-bit2582+27−2749.2%+3.034.3%461
52.7%
80Anatoli 0.35k2581+19−1950.8%−7.632.0%901
66.9%
81Amyan 1.5972574+22−2146.7%+25.331.9%736
76.3%
82Counter 1.12563+23−2350.6%−7.238.9%632
54.9%
83Bruja 1.92561+28−2852.2%−14.735.8%402
51.7%
84‑85Delphil 1.9g2560+29−2950.9%−7.138.4%378
49.4%
84‑85Philou 3.0.02560+29−2949.1%+6.734.3%388
62.9%
86Kiwi 0.6d2553+30−3049.1%+2.532.5%378
57.6%
87Typhoon 1.00-3582549+22−2248.3%+10.734.1%694
70.5%
88PostModernist 10162540+27−2746.1%+25.528.1%459
51.7%
89Pupsi2 0.072539+21−2147.2%+19.930.2%809
51.2%
90Homer 2.012538+23−2349.2%+4.732.2%646
58.3%
91Snitch 1.6.2 32-bit2535+26−2645.3%+31.329.0%503
64.3%
92Muse 0.899b2528+27−2748.4%+12.128.3%470
60.0%
93KnightDreamer 3.32522+36−3648.0%+15.732.5%249
60.2%
94Dragon 4.62517+21−2146.3%+24.634.0%761
51.3%
95Diablo 0.5.12516+24−2451.2%−7.432.6%559
51.9%
96‑97Djinn 0.925x2515+26−2646.4%+23.728.5%516
49.5%
96‑97RomiChess P3k 32-bit2515+20−2049.5%+2.833.1%867
61.5%
98‑99Gaia 3.5 32-bit2511+25−2548.0%+14.128.7%544
47.8%
98‑99Queen 4.032511+21−2148.7%+7.536.0%733
65.3%
100Comet B682505+26−2645.8%+29.725.3%549
59.1%
101Gosu 0.162501+27−2746.3%+26.426.9%494
51.5%
102Amy 0.87b2500+33−3349.2%+7.825.7%319
53.3%
103‑105Horizon 4.42498+21−2150.1%−1.626.8%833
49.3%
103‑105Sage 3.532498+21−2150.5%−3.027.1%820
50.7%
103‑105Sorgenkind 0.42498+20−2052.3%−15.027.7%907
51.5%
106Patzer 3.802497+31−3148.5%+12.624.5%364
53.6%
107‑108Amateur 2.822496+23−2346.2%+25.424.9%672
49.7%
107‑108Dirty ACCA32496+29−2945.9%+27.434.7%375
51.3%
109GreKo 6.302495+37−3747.9%+14.132.5%237
52.8%
110Phalanx XXII2493+38−3847.5%+18.125.2%238
68.9%
111Thor's Hammer 2.28 32-bit2481+30−3048.8%+9.329.0%379
80.9%
112Tytan 9.32462+30−3050.1%+1.224.6%399
54.5%
113Glass 1.32460+28−2850.5%−2.832.2%416
69.1%
114Flux 2.22450+25−2548.7%+9.228.9%546
58.5%
115WChess 1.62446+32−3247.5%+14.733.1%317
52.6%
116LittleThought 1.03 32-bit2444+21−2147.5%+19.924.9%826
53.1%
117Aice 0.99.22443+27−2846.4%+25.328.4%454
53.7%
118Popochin 2.92441+41−4146.2%+31.832.4%210
51.9%
119Chezzz 1.0.32439+33−3351.8%−14.929.3%304
53.2%
120‑121Asterisk 0.62438+21−2149.7%+1.127.2%801
49.4%
120‑121Rodin 2.3a2438+30−3055.4%−37.826.9%391
58.9%
122KnightX 1.922433+29−2950.8%−6.126.1%429
54.8%
123‑124Amundsen 0.802430+35−3548.7%+12.829.6%277
50.5%
123‑124Arion 1.72430+27−2753.6%−28.029.1%481
85.7%
125‑126Cheese 1.32411+22−2246.3%+27.329.4%761
50.2%
125‑126Daydreamer 1.52411+31−3057.2%−56.333.7%377
54.1%
127Natwarlal 0.142409+23−2346.5%+24.723.4%696
51.0%
128Anechka 0.082408+23−2345.1%+37.826.8%657
55.2%
129‑130Averno 0.812406+31−3148.9%+6.426.1%357
49.2%
129‑130Zeus 1.272406+36−3650.7%−10.623.4%303
56.2%
131Joker 1.1.142403+23−2350.5%−3.527.8%654
53.2%
132Ant 2006-F2401+27−2846.4%+24.625.5%482
55.8%
133Matilde 20082398+40−3957.0%−47.532.4%213
92.1%
134Chispa 4.0.32365+24−2449.2%+6.126.9%629
72.1%
135‑137AliChess 4.062353+35−3544.3%+35.931.2%279
50.0%
135‑137EXchess 5.01b2353+30−3046.1%+23.932.3%368
48.7%
135‑137Waxman 20092353+28−2849.4%+4.328.2%439
53.4%
138Ares 1.02351+33−3341.6%+58.029.4%316
61.9%
139Ayito 0.2.9942345+28−2946.0%+27.023.2%436
52.0%
140Feuerstein 0.4.6.12344+25−2548.7%+8.228.0%539
64.7%
141Deuterium 06.08.25.042336+29−2945.0%+34.828.8%406
58.1%
142BlackBishop 1.02332+27−2749.9%−0.127.9%456
52.8%
143Gibbon 2.52a2331+25−2449.1%+4.729.6%568
54.2%
144Uralochka 1.1b2329+22−2249.4%+3.326.0%722
51.4%
145ChessAlex 2.0r42328+24−2449.0%+4.929.0%589
74.4%
146ZCT 0.3.24512316+28−2849.1%+5.826.2%447
55.8%
147EveAnn 1.622313+34−3448.9%+4.527.4%310
53.7%
148RattateChess Bologna 20072311+25−2552.1%−15.625.3%576
58.0%
149Atlas 2.202306+36−3650.4%−4.621.5%275
53.4%
150Latista (Sinobyl) 1.52304+32−3250.8%−8.724.4%360
55.3%
151Alf 1.092301+25−2549.6%−0.329.3%566
52.6%
152Neurosis 2.52300+25−2549.7%+1.532.5%526
51.7%
153Buzz 0.08 32-bit2299+28−2851.1%−7.025.4%472
52.9%
154Atak 6.52298+29−2951.4%−11.523.8%425
52.3%
155Mediocre 0.342297+35−3550.6%−7.122.7%308
60.1%
156OBender 3.2.4.22291+22−2250.1%−0.129.5%712
61.3%
157NagaSkaki 5.122286+25−2651.1%−8.128.8%525
60.9%
158Lime 662282+25−2550.5%−7.122.9%586
55.6%
159Pawny 0.132278+39−3855.6%−41.618.4%250
52.7%
160OliThink 5.1.92277+34−3446.3%+29.322.7%309
52.0%
161Sungorus 1.22275+28−2853.3%−23.227.8%439
80.4%
162Bearded 06_292256+34−3449.2%+7.125.0%308
51.9%
163TJchess 0.1212255+24−2446.6%+26.823.2%639
55.1%
164Parrot 07.07.222253+27−2750.3%−2.822.3%503
79.2%
165Prophet 2.02238+24−2545.5%+32.422.5%608
62.4%
166Clarabit 1.002232+24−2449.2%+3.030.8%585
89.6%
167Adam 3.12210+25−2547.0%+20.419.8%607
96.8%
168BikJump 2.012176+26−2651.4%−9.230.1%495
50.8%
169FireFly 2.5.42175+39−3950.6%−8.419.6%245
54.8%
170BigLion 2.23x2173+25−2544.8%+36.427.7%588
56.7%
171Matheus 2.32169+31−3144.6%+38.821.9%383
61.2%
172Mustang 4.972163+32−3245.6%+30.432.4%343
79.8%
173KMTChess 1.1 32-bit2143+33−3444.9%+35.425.1%315
63.1%
174Monarch 1.72135+26−2642.6%+67.820.4%589
75.8%
175BibiChess 0.52119+37−3744.9%+35.922.2%266
70.0%
176Heracles 0.6.162105+38−3849.0%+7.928.8%243
86.7%
177Smash 1.0.32077+31−3140.4%+76.318.4%403
55.6%
178Marvin 1.3.02074+28−2940.8%+67.823.0%457
73.7%
179Rival 1.182061+29−3042.7%+52.026.7%412
77.9%
180Micro-Max 4.8 (DM-PII)2046+26−2648.2%+14.825.1%517
69.5%
181Slibo 0.4.82032+43−4530.7%+157.213.3%225
72.0%
182ECE 0.32017+27−2738.2%+91.020.2%530
55.7%
183Clueless 1.42014+25−2637.5%+99.517.9%605
53.4%
184Warrior 1.0.32012+34−3441.3%+65.524.8%311
75.9%
185Surprise 4.3b131996+31−3236.3%+108.019.3%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
+8		29 − 16
+18−5=22
−16		27 − 13
+17−3=20
−28		39.5 − 14.5
+26−1=27
−19		 44.5 − 9.5
+38−3=13
+48		36 − 11
+27−2=18
−23		25 − 7
+18−0=14
−43		39.5 − 10.5
+33−4=13
−11		38.5 − 7.5
+33−2=11
+30
2Naum 4 64-bit 4CPU315624 − 51
+7−34=34
−36		  36.5 − 24.5
+23−11=27
+32		21.5 − 18.5
+5−2=33
−41		20 − 12
+11−3=18
−11		 36 − 13
+26−3=20
+33		33 − 15
+23−5=20
−3		36.5 − 11.5
+26−1=21
+20		31.5 − 10.5
+23−2=17
+15		44 − 10
+36−2=16
+75
3Stockfish 1.6.3 64-bit 4CPU314718.5 − 33.5
+8−23=21
−8		  26.5 − 24.5
+14−12=25
−6		  32.5 − 16.5
+19−3=27
−12		  37.5 − 12.5
+29−4=17
+31		  
4Deep Shredder 12 64-bit OA On 4CPU312716 − 29
+5−18=22
+16		24.5 − 36.5
+11−23=27
−32		24.5 − 26.5
+12−14=25
+6		   28.5 − 21.5
+15−8=27
−44		34.5 − 16.5
+24−6=21
+21		41.5 − 25.5
+26−10=31
−21		72.5 − 31.5
+46−5=53
0		35.5 − 14.5
+26−5=19
+18		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
+23		  24 − 13
+13−2=22
+20		 27 − 13
+19−5=16
+22		 
6Zappa Mexico II 64-bit 4CPU307414.5 − 39.5
+1−26=27
+19		12 − 20
+3−11=18
+11		  16.5 − 23.5
+4−11=25
−23		 17 − 15
+6−4=22
−15		21.5 − 23.5
+11−13=21
−51		45.5 − 28.5
+26−9=39
+26		17 − 15
+9−7=16
−44		33 − 20
+22−9=22
+11		50.5 − 25.5
+33−8=35
+33
7Spark 0.3 64-bit 4CPU3042  16.5 − 32.5
+3−19=27
+12		21.5 − 28.5
+8−15=27
+44		 15 − 17
+4−6=22
+15		  16.5 − 15.5
+8−7=17
0		43.5 − 40.5
+23−20=41
−20		  
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
−21		 23.5 − 21.5
+13−11=21
+51		  31 − 25
+23−17=16
+35		36.5 − 24.5
+21−9=31
+33		33.5 − 25.5
+22−14=23
+16		35.5 − 20.5
+26−11=19
+59
9Deep Sjeng WC2008 64-bit 4CPU303311 − 36
+2−27=18
+23		15 − 33
+5−23=20
+3		 25.5 − 41.5
+10−26=31
+21		13 − 24
+2−13=22
−20		28.5 − 45.5
+9−26=39
−26		15.5 − 16.5
+7−8=17
0		25 − 31
+17−23=16
−35		 17.5 − 14.5
+10−7=15
+4		33.5 − 20.5
+24−11=19
+53		18 − 16
+10−8=16
−9
10Hiarcs 12.1 4CPU30117 − 25
+0−18=14
+43		11.5 − 36.5
+1−26=21
−20		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
+20		24.5 − 36.5
+9−21=31
−33		14.5 − 17.5
+7−10=15
−4		 19 − 13
+12−6=14
+57		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
−18		13 − 27
+5−19=16
−22		20 − 33
+9−22=22
−11		 25.5 − 33.5
+14−22=23
−16		20.5 − 33.5
+11−24=19
−53		13 − 19
+6−12=14
−57		 43.5 − 35.5
+26−18=35
+29
12Bright 0.4a 4CPU30067.5 − 38.5
+2−33=11
−30		10 − 44
+2−36=16
−75		 17.5 − 34.5
+8−25=19
+11		 25.5 − 50.5
+8−33=35
−33		 20.5 − 35.5
+11−26=19
−59		16 − 18
+8−10=16
+9		17.5 − 14.5
+12−9=11
+34		35.5 − 43.5
+18−26=35
−29		 
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 1.6.3 64-bit 4CPU31470.033.1 82.397.1100.0100.0100.0100.0100.0100.0100.0
4Deep Shredder 12 64-bit OA On 4CPU31270.01.717.7 93.3100.0100.0100.0100.0100.0100.0100.0
5Deep Fritz 11 4CPU30980.00.02.96.7 93.599.7100.0100.0100.0100.0100.0
6Zappa Mexico II 64-bit 4CPU30740.00.00.00.06.5 98.2100.0100.0100.0100.0100.0
7Spark 0.3 64-bit 4CPU30420.00.00.00.00.31.8 64.272.298.598.799.1
8Thinker 5.4C Inert 64-bit 4CPU30360.00.00.00.00.00.035.8 61.498.799.599.7
9Deep Sjeng WC2008 64-bit 4CPU30330.00.00.00.00.00.027.838.6 97.599.199.4
10Hiarcs 12.1 4CPU30110.00.00.00.00.00.01.51.32.5 58.067.1
11Toga II 1.4.1SE 4CPU30080.00.00.00.00.00.01.30.50.942.0 61.1
12Bright 0.4a 4CPU30060.00.00.00.00.00.00.90.30.632.938.9 
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

231'789 games (44.47 MB)

All games with comments

231'789 games (137.66 MB)

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

Various statistics

Created in 2005-2008 by CCRL team
Last games added on February 5, 2010