CCRL 40/40
Downloads and Statistics
February 26, 2010
Testing summary:
Total: 235'069 games
played by 782 programs
33352 CPU days (X2 4600+)

White wins: 84'675 (36.0%)
Black wins: 62'736 (26.7%)
Draws: 87'658 (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 26, 2010 with Bayeselo based on 235'069 games
RankNameRatingScoreAverage
Opponent		DrawsGamesLOS
ELO+−
1Rybka 3 64-bit 4CPU3233+16−1676.6%−185.836.8%1470 
100.0%
2Naum 4 64-bit 4CPU3155+18−1762.5%−80.944.4%1056
61.8%
3Stockfish 1.6.3 64-bit 4CPU3150+27−2762.9%−83.842.8%446
85.5%
4Deep Shredder 12 64-bit OA On 4CPU3133+21−2162.4%−78.644.5%710
96.5%
5Deep Fritz 11 4CPU3099+29−2954.2%−27.155.2%335
93.5%
6Zappa Mexico II 64-bit 4CPU3075+14−1457.4%−47.746.5%1755
98.7%
7Spark 0.3 64-bit 4CPU3042+25−2549.1%+3.050.7%477
60.6%
8Thinker 5.4C Inert 64-bit 4CPU3038+17−1754.2%−29.939.2%1173
60.7%
9Deep Sjeng WC2008 64-bit 4CPU3035+16−1651.3%−11.340.9%1344
67.3%
10Komodo 1.0 64-bit3026+30−3047.4%+13.952.4%311
76.1%
11Hiarcs 12.1 4CPU3012+16−1644.9%+30.546.3%1220
53.3%
12Toga II 1.4.1SE 4CPU3011+13−1350.0%+0.841.6%1872
63.0%
13Bright 0.4a 4CPU3008+15−1550.4%−2.440.3%1499
100.0%
14Loop M1-T 64-bit 4CPU2957+12−1143.4%+42.945.1%2432
99.9%
15Onno 1.0 64-bit2922+18−1842.5%+51.941.5%962
75.9%
16Deep Junior 10 4CPU2914+13−1444.0%+42.335.3%1897
55.6%
17Crafty 23.1 64-bit 4CPU2911+31−3145.8%+30.237.0%330
51.2%
18Protector 1.3.2 32-bit2910+31−3144.7%+32.450.7%304
99.8%
19Ktulu 92857+18−1840.0%+65.639.7%994
60.6%
20Critter 0.52 32-bit2851+34−3447.9%+13.145.8%260
56.7%
21Spike 1.2 Turin2848+7−743.7%+40.840.1%7624
60.3%
22SmarThink 1.20 32-bit2846+20−2043.4%+43.138.5%806
73.1%
23Scorpio 2.0 4CPU2836+22−2234.0%+110.336.9%713
59.3%
24Twisted Logic 200909222832+19−1944.8%+32.744.8%843
58.8%
25Delfi 5.4 2CPU2829+19−1941.0%+63.635.6%985
56.8%
26Chessmaster 11 2CPU2826+34−3547.5%+15.339.6%260
56.1%
27Bison 9.112822+27−2750.4%−4.338.6%453
87.6%
28Chess Tiger 2007.12805+11−1144.2%+38.342.4%2861
67.3%
29Frenzee Feb08 32-bit2801+14−1445.0%+33.437.7%1817
69.4%
30Booot 4.15.02796+16−1643.6%+41.246.6%1243
96.0%
31Movei 00.8.438 (10 10 10)2778+13−1348.9%+4.238.5%1973
85.9%
32Alaric 7072768+14−1449.5%+3.135.2%1870
79.3%
33BugChess2 1.6.4 32-bit2755+27−2747.9%+12.442.1%435
58.1%
34‑35Cyrano 0.6b172752+18−1846.6%+21.740.7%980
50.7%
34‑35E.T. Chess 13.01.082752+16−1650.9%−6.637.8%1356
60.6%
36Colossus 2008b2749+18−1848.8%+8.638.8%1017
64.7%
37Chronos 1.9.72743+24−2451.9%−11.945.7%510
53.5%
38‑39Pharaon 3.5.1 2CPU2741+32−3331.9%+137.527.4%368
48.8%
38‑39Slow Chess Blitz WV2.12741+13−1348.2%+12.237.1%2112
75.9%
40Ruffian 2.1.02734+16−1647.4%+20.035.9%1376
69.6%
41WildCat 72729+15−1546.1%+26.438.1%1506
67.4%
42Gandalf 62724+13−1343.7%+43.936.0%2199
55.5%
43Hamsters 0.7.12723+19−1949.9%+0.841.6%844
54.0%
44Pro Deo 1.22721+17−1748.9%+5.030.5%1179
72.7%
45Chiron 0.8.72713+23−2351.3%−9.434.4%636
77.4%
46Alfil 8.1.12702+15−1550.6%−7.033.0%1567
53.7%
47Aristarch 4.502701+14−1445.9%+29.833.2%1801
54.4%
48The Baron 1.8.12699+24−2449.3%+3.931.8%614
55.9%
49‑50Petir 4.392697+27−2750.1%−3.840.0%435
48.5%
49‑50Pseudo 0.7c2697+15−1551.0%−6.137.9%1386
61.7%
51Sloppy 0.2.2 32-bit2694+16−1647.3%+17.637.2%1248
54.6%
52Arasan 11.6 64-bit2691+40−4050.9%−7.424.1%216
56.4%
53Lemming 0.242687+32−3248.4%+10.837.5%307
65.0%
54Jonny 2.832680+16−1646.9%+18.832.5%1245
53.5%
55Amyan 1.722678+39−3955.1%−35.229.9%224
66.4%
56Rotor 0.52668+23−2348.3%+11.038.3%624
63.6%
57SOS 5.12663+17−1746.4%+22.135.8%1147
58.4%
58Anaconda 2.0.12660+28−2747.8%+12.335.9%426
67.2%
59Tornado 2.22651+29−2955.7%−43.937.7%409
52.4%
60AnMon 5.662650+26−2550.5%−4.130.9%514
58.4%
61Ufim 8.022646+18−1848.7%+6.332.1%1072
93.7%
62GarboChess 2.202627+17−1749.4%+3.335.0%1102
51.9%
63‑64Brutus 7.02b2626+24−2460.2%−71.235.8%576
49.0%
63‑64DanaSah 4.242626+19−1951.3%−9.637.3%903
55.7%
65Viper 0.12623+36−3646.7%+22.331.9%260
57.6%
66Cerebro 3.01c2619+31−3147.5%+17.629.2%367
61.8%
67Nimzo 82612+32−3242.0%+57.833.7%338
56.7%
68Little Goliath Evolution 3.122609+20−2045.7%+28.832.4%890
55.5%
69‑70Hermann 2.42607+23−2349.8%+1.229.3%651
49.4%
69‑70Tao 5.62607+23−2348.2%+12.828.0%646
52.0%
71NanoSzachy 3.72606+39−3956.9%−52.627.3%231
52.0%
72Xpdnt 0910072605+33−3354.6%−31.734.4%294
70.2%
73Trace 1.362592+30−3049.2%+5.930.3%390
52.1%
74N2 0.12591+27−2754.8%−28.941.9%425
52.7%
75Matacz 1.32590+28−2847.1%+20.332.5%412
53.1%
76BBChess 1.3b2588+25−2550.7%−3.737.8%500
56.4%
77Yace 0.99.872585+26−2649.1%+7.628.2%514
54.0%
78Quark 2.352584+24−2448.0%+11.931.3%569
51.1%
79SpiderChess 0706032583+31−3148.1%+16.840.6%323
51.4%
80Pepito 1.59 32-bit2582+27−2749.2%+3.134.3%461
57.1%
81Anatoli 0.35k2579+19−1950.6%−5.231.8%909
81.2%
82Counter 1.12566+22−2251.0%−9.438.7%648
55.4%
83Philou 3.0.02564+28−2849.5%+3.134.7%404
55.6%
84‑85Bruja 1.92561+28−2852.2%−14.735.8%402
50.2%
84‑85Delphil 1.9g2561+29−2950.9%−7.338.4%378
63.1%
86Kiwi 0.6d2553+30−3049.1%+2.732.5%378
55.6%
87Typhoon 1.00-3582551+22−2248.5%+9.334.4%710
72.5%
88PostModernist 10162540+27−2746.1%+25.728.1%459
52.7%
89‑90Homer 2.012539+23−2349.2%+4.032.2%646
48.5%
89‑90Pupsi2 0.072539+21−2047.2%+20.330.2%809
59.8%
91Snitch 1.6.2 32-bit2535+26−2645.3%+31.629.0%503
63.9%
92Muse 0.899b2528+27−2748.4%+12.528.3%470
60.3%
93KnightDreamer 3.32522+36−3648.0%+15.832.5%249
60.1%
94Dragon 4.62517+21−2146.3%+24.834.0%761
51.2%
95‑96Diablo 0.5.12516+24−2451.2%−7.032.6%559
51.7%
95‑96Djinn 0.925x2516+26−2646.4%+23.128.5%516
52.5%
97RomiChess P3k 32-bit2514+20−2049.2%+5.133.4%883
57.5%
98Queen 4.032512+21−2148.7%+6.836.0%733
52.2%
99Gaia 3.5 32-bit2511+25−2548.0%+14.528.7%544
62.4%
100Comet B682505+26−2645.8%+30.025.3%549
59.1%
101Gosu 0.162501+27−2746.3%+26.626.9%494
52.0%
102Amy 0.87b2500+33−3349.2%+7.925.7%319
52.3%
103Sorgenkind 0.42499+19−1952.4%−16.227.8%950
52.1%
104Patzer 3.802498+31−3148.5%+11.824.5%364
51.7%
105Sage 3.532497+20−2050.3%−2.627.2%863
52.3%
106‑107Amateur 2.822496+23−2346.2%+25.724.9%672
49.1%
106‑107Dirty ACCA32496+29−2945.9%+27.934.7%375
51.3%
108‑109GreKo 6.302495+37−3747.9%+14.532.5%237
50.4%
108‑109Horizon 4.42495+20−2049.8%+0.726.4%876
53.5%
110Phalanx XXII2493+38−3847.5%+18.325.2%238
69.0%
111Thor's Hammer 2.28 32-bit2481+30−3048.8%+9.529.0%379
81.9%
112‑113Glass 1.32462+27−2750.5%−2.732.1%458
50.1%
112‑113Tytan 9.32462+30−3050.1%+1.124.6%399
71.5%
114Flux 2.22451+25−2548.7%+8.628.9%546
64.2%
115‑116LittleThought 1.03 32-bit2445+21−2147.5%+19.324.9%826
48.2%
115‑116WChess 1.62445+32−3247.5%+15.633.1%317
54.4%
117Aice 0.99.22443+28−2846.4%+25.428.4%454
53.9%
118Popochin 2.92441+41−4146.2%+31.932.4%210
51.4%
119Chezzz 1.0.32440+33−3351.8%−15.529.3%304
53.0%
120Asterisk 0.62438+21−2149.7%+1.427.2%801
61.0%
121‑122Amundsen 0.802433+33−3348.3%+15.029.5%319
48.9%
121‑122KnightX 1.922433+29−2950.8%−6.026.1%429
54.3%
123Rodin 2.3a2431+28−2853.1%−21.927.0%434
51.6%
124Arion 1.72430+27−2753.6%−27.729.1%481
83.0%
125Cheese 1.32413+21−2146.1%+28.829.1%804
54.8%
126Daydreamer 1.52411+31−3057.2%−56.233.7%377
54.1%
127‑128Anechka 0.082409+23−2345.1%+37.326.8%657
49.8%
127‑128Natwarlal 0.142409+23−2346.5%+25.023.4%696
54.4%
129Zeus 1.272407+36−3650.7%−11.223.4%303
51.2%
130Averno 0.812406+31−3148.9%+6.426.1%357
55.9%
131Joker 1.1.142403+23−2350.5%−3.427.8%654
53.1%
132Ant 2006-F2402+28−2846.4%+23.825.5%482
54.3%
133Matilde 20082399+40−3957.0%−47.232.4%213
68.3%
134Butcher 1.60n12385+39−3949.1%+6.834.6%214
81.3%
135Chispa 4.0.32365+24−2349.2%+5.826.9%629
71.5%
136Waxman 20092355+27−2749.9%+0.427.7%483
53.6%
137‑139AliChess 4.062353+35−3544.3%+36.031.2%279
50.3%
137‑139Ares 1.02353+33−3341.6%+56.929.4%316
49.9%
137‑139EXchess 5.01b2353+30−3046.1%+23.932.3%368
63.4%
140Feuerstein 0.4.6.12346+24−2449.0%+6.327.6%583
53.5%
141Ayito 0.2.9942344+29−2946.0%+27.623.2%436
65.1%
142Deuterium 06.08.25.042336+29−2945.0%+34.728.8%406
64.7%
143‑144ChessAlex 2.0r42329+24−2449.0%+4.429.0%589
49.9%
143‑144Uralochka 1.1b2329+22−2249.3%+4.525.7%766
51.5%
145Gibbon 2.52a2328+24−2449.7%+1.930.3%600
58.1%
146BlackBishop 1.02325+26−2648.6%+8.527.8%496
67.8%
147ZCT 0.3.24512315+28−2849.1%+6.326.2%447
54.8%
148EveAnn 1.622313+34−3448.9%+4.527.4%310
54.8%
149RattateChess Bologna 20072310+25−2552.1%−15.125.3%576
57.4%
150Atlas 2.202306+36−3650.4%−4.921.5%275
54.1%
151‑152Latista (Sinobyl) 1.52303+32−3150.8%−8.424.4%360
50.2%
151‑152Neurosis 2.52303+24−2449.6%+2.432.5%570
55.4%
153Alf 1.092301+25−2549.6%−0.829.3%566
54.5%
154Buzz 0.08 32-bit2299+28−2851.1%−7.625.4%472
57.0%
155‑156Atak 6.52295+28−2850.7%−6.324.9%442
49.6%
155‑156Mediocre 0.342295+32−3249.6%+2.722.4%352
61.3%
157OBender 3.2.4.22290+22−2249.9%+0.529.3%706
64.3%
158NagaSkaki 5.122284+25−2551.0%−8.128.3%559
55.9%
159Lime 662281+25−2550.5%−6.622.7%582
55.7%
160Pawny 0.132278+39−3955.3%−39.918.9%244
53.4%
161OliThink 5.1.92275+34−3446.3%+30.322.7%309
51.7%
162Sungorus 1.22274+28−2853.4%−23.928.3%446
76.5%
163Bearded 06_292258+34−3449.5%+5.225.2%306
60.7%
164Parrot 07.07.222252+27−2750.3%−2.322.3%503
53.2%
165TJchess 0.1212251+23−2345.1%+37.323.3%677
78.0%
166Prophet 2.02237+24−2545.5%+33.122.5%608
66.7%
167Clarabit 1.002230+24−2448.6%+6.830.2%612
87.4%
168Adam 3.12210+25−2546.9%+20.319.8%605
93.4%
169FireFly 2.5.42175+39−3950.6%−8.919.6%245
54.8%
170BigLion 2.23x2172+24−2544.8%+37.227.7%588
52.4%
171BikJump 2.012171+26−2649.6%+3.829.7%509
53.2%
172Matheus 2.32170+31−3144.6%+38.421.9%383
62.1%
173Mustang 4.972163+32−3245.6%+30.332.4%343
80.9%
174KMTChess 1.1 32-bit2142+34−3444.8%+35.824.9%309
61.0%
175Monarch 1.72136+26−2642.6%+67.020.4%589
76.1%
176BibiChess 0.52119+37−3744.9%+35.922.2%266
80.0%
177Heracles 0.6.162096+38−3848.1%+13.728.5%242
77.2%
178Smash 1.0.32077+31−3140.4%+76.618.4%403
56.9%
179Marvin 1.3.02073+28−2940.8%+68.523.0%457
73.2%
180Rival 1.182061+29−3042.7%+51.726.7%412
77.4%
181Micro-Max 4.8 (DM-PII)2046+26−2648.2%+14.925.1%517
93.6%
182ECE 0.32018+26−2738.5%+88.820.7%536
58.4%
183Clueless 1.42014+25−2637.5%+99.917.9%605
53.8%
184Warrior 1.0.32012+34−3441.3%+65.524.8%311
57.0%
185Slibo 0.4.82007+44−4629.1%+173.612.3%227
64.9%
186Surprise 4.3b131996+31−3236.3%+107.719.3%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
Komod
11
Hiarc
12
Toga
1Rybka 3 64-bit 4CPU3233 51 − 24
+34−7=34
+34		33.5 − 18.5
+23−8=21
+10		29 − 16
+18−5=22
−11		27 − 13
+17−3=20
−28		39.5 − 14.5
+26−1=27
−19		 44.5 − 9.5
+38−3=13
+49		36 − 11
+27−2=18
−22		 25 − 7
+18−0=14
−43		39.5 − 10.5
+33−4=13
−9
2Naum 4 64-bit 4CPU315524 − 51
+7−34=34
−34		 20 − 28
+7−15=26
−50		36.5 − 24.5
+23−11=27
+39		21.5 − 18.5
+5−2=33
−39		20 − 12
+11−3=18
−9		 36 − 13
+26−3=20
+36		33 − 15
+23−5=20
0		 36.5 − 11.5
+26−1=21
+22		31.5 − 10.5
+23−2=17
+19
3Stockfish 1.6.3 64-bit 4CPU315018.5 − 33.5
+8−23=21
−10		28 − 20
+15−7=26
+50		 26.5 − 24.5
+14−12=25
−3		  32.5 − 16.5
+19−3=27
−14		 32.5 − 15.5
+21−4=23
−6		 37.5 − 12.5
+29−4=17
+30		32 − 18
+19−5=26
−54
4Deep Shredder 12 64-bit OA On 4CPU313316 − 29
+5−18=22
+11		24.5 − 36.5
+11−23=27
−39		24.5 − 26.5
+12−14=25
+3		   28.5 − 21.5
+15−8=27
−50		34.5 − 16.5
+24−6=21
+17		41.5 − 25.5
+26−10=31
−25		 72.5 − 31.5
+46−5=53
−4		35.5 − 14.5
+26−5=19
+15
5Deep Fritz 11 4CPU309913 − 27
+3−17=20
+28		18.5 − 21.5
+2−5=33
+39		   23.5 − 16.5
+11−4=25
+23		  24 − 13
+13−2=22
+21		  27 − 13
+19−5=16
+24
6Zappa Mexico II 64-bit 4CPU307514.5 − 39.5
+1−26=27
+19		12 − 20
+3−11=18
+9		  16.5 − 23.5
+4−11=25
−23		 17 − 15
+6−4=22
−16		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
+13
7Spark 0.3 64-bit 4CPU3042  16.5 − 32.5
+3−19=27
+14		21.5 − 28.5
+8−15=27
+50		 15 − 17
+4−6=22
+16		  16.5 − 15.5
+8−7=17
+2		 43.5 − 40.5
+23−20=41
−19		 
8Thinker 5.4C Inert 64-bit 4CPU30389.5 − 44.5
+3−38=13
−49		13 − 36
+3−26=20
−36		 16.5 − 34.5
+6−24=21
−17		 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
+17
9Deep Sjeng WC2008 64-bit 4CPU303511 − 36
+2−27=18
+22		15 − 33
+5−23=20
0		15.5 − 32.5
+4−21=23
+6		25.5 − 41.5
+10−26=31
+25		13 − 24
+2−13=22
−21		28.5 − 45.5
+9−26=39
−27		15.5 − 16.5
+7−8=17
−2		25 − 31
+17−23=16
−35		  17.5 − 14.5
+10−7=15
+3		33.5 − 20.5
+24−11=19
+54
10Komodo 1.0 64-bit3026            
11Hiarcs 12.1 4CPU30127 − 25
+0−18=14
+43		11.5 − 36.5
+1−26=21
−22		12.5 − 37.5
+4−29=17
−30		31.5 − 72.5
+5−46=53
+4		 15 − 17
+7−9=16
+44		40.5 − 43.5
+20−23=41
+19		24.5 − 36.5
+9−21=31
−32		14.5 − 17.5
+7−10=15
−3		  19 − 13
+12−6=14
+59
12Toga II 1.4.1SE 4CPU301110.5 − 39.5
+4−33=13
+9		10.5 − 31.5
+2−23=17
−19		18 − 32
+5−19=26
+54		14.5 − 35.5
+5−26=19
−15		13 − 27
+5−19=16
−24		20 − 33
+9−22=22
−13		 25.5 − 33.5
+14−22=23
−17		20.5 − 33.5
+11−24=19
−54		 13 − 19
+6−12=14
−59		 
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
Kom
11
Hia
12
Tog
1Rybka 3 64-bit 4CPU3233 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Naum 4 64-bit 4CPU31550.0 61.894.9100.0100.0100.0100.0100.0100.0100.0100.0
3Stockfish 1.6.3 64-bit 4CPU31500.038.2 85.599.4100.0100.0100.0100.0100.0100.0100.0
4Deep Shredder 12 64-bit OA On 4CPU31330.05.114.5 96.5100.0100.0100.0100.0100.0100.0100.0
5Deep Fritz 11 4CPU30990.00.00.63.5 93.599.8100.0100.099.9100.0100.0
6Zappa Mexico II 64-bit 4CPU30750.00.00.00.06.5 98.7100.0100.099.5100.0100.0
7Spark 0.3 64-bit 4CPU30420.00.00.00.00.21.3 60.668.676.498.298.2
8Thinker 5.4C Inert 64-bit 4CPU30380.00.00.00.00.00.039.4 60.772.698.899.4
9Deep Sjeng WC2008 64-bit 4CPU30350.00.00.00.00.00.031.439.3 67.397.999.0
10Komodo 1.0 64-bit30260.00.00.00.00.10.523.627.432.7 76.178.4
11Hiarcs 12.1 4CPU30120.00.00.00.00.00.01.81.22.123.9 53.3
12Toga II 1.4.1SE 4CPU30110.00.00.00.00.00.01.80.61.021.646.7 
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

235'069 games (45.16 MB)

All games with comments

235'069 games (139.55 MB)
(Please don't use aggressive download managers)

Various statistics

Created in 2005-2008 by CCRL team
Last games added on February 26, 2010