CCRL 40/40
Downloads and Statistics
August 7, 2010
Testing summary:
Total: 272'296 games
played by 897 programs
38333 CPU days (X2 4600+)

White wins: 97'526 (35.8%)
Black wins: 72'083 (26.5%)
Draws: 102'687 (37.7%)
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 August 7, 2010 with Bayeselo based on 272'296 games
RankNameRatingScoreAverage
Opponent		DrawsGamesLOS
ELO+−
1Rybka 4 64-bit 4CPU3269+22−2172.3%−150.443.2%720 
100.0%
2Stockfish 1.7.1 64-bit 4CPU3217+20−1962.6%−82.550.4%804
97.2%
3Naum 4.2 64-bit 4CPU3189+23−2358.6%−57.249.9%577
100.0%
4Deep Shredder 12 64-bit OA On 4CPU3124+17−1756.1%−39.645.8%1062
94.6%
5Deep Fritz 11 4CPU3096+29−2954.2%−27.555.2%335
80.2%
6‑7Critter 0.80 64-bit3074+38−3760.0%−66.733.3%240
50.6%
6‑7Zappa Mexico II 64-bit 4CPU3074+13−1355.0%−31.846.7%2022
54.1%
8Spark 0.5 64-bit 4CPU3072+31−3241.0%+60.845.6%318
89.0%
9Komodo 1.2 64-bit3046+26−2549.2%+6.645.2%478
78.7%
10Thinker 5.4C Inert 64-bit 4CPU3033+16−1650.0%+1.038.3%1340
66.2%
11Deep Sjeng WC2008 64-bit 4CPU3029+14−1446.9%+20.039.8%1684
97.1%
12Hiarcs 12.1 4CPU3009+15−1542.7%+45.845.4%1414
59.3%
13Toga II 1.4.1SE 4CPU3007+13−1350.2%−0.841.7%1975
66.3%
14Bright 0.4a 4CPU3003+15−1550.7%−4.040.5%1556
100.0%
15Loop M1-T 64-bit 4CPU2955+12−1243.4%+41.745.3%2471
66.5%
16Protector 1.3.3 64-bit2947+31−3149.4%+4.844.1%311
59.0%
17Gull 0.11a 32-bit2942+29−2949.4%−0.247.5%354
59.2%
18Onno 1.2.70 64-bit2937+32−3343.1%+44.444.4%288
58.7%
19Deep Junior 11.1a 32-bit 1CPU2932+24−2443.7%+40.047.9%532
85.8%
20Crafty 23.1 64-bit 4CPU2909+31−3145.8%+30.437.0%330
54.3%
21Hannibal 1.0a 32-bit2907+30−3142.2%+48.143.6%328
88.3%
22Twisted Logic 20100131x 64-bit2881+27−2750.3%−4.736.0%436
70.5%
23SmarThink 1.20 64-bit2871+27−2752.3%−17.234.3%432
84.8%
24Ktulu 92853+17−1740.5%+64.039.0%1202
71.7%
25Spike 1.2 Turin2848+7−743.5%+42.539.7%8240
88.2%
26Scorpio 2.0 4CPU2834+22−2234.0%+110.336.9%713
67.3%
27Delfi 5.4 2CPU2828+19−1941.0%+62.735.6%985
54.0%
28Bison 9.112826+17−1844.3%+38.438.8%1089
51.9%
29Chessmaster 11 2CPU2825+34−3547.5%+15.839.6%260
73.2%
30Booot 4.15.12809+39−3942.9%+43.345.9%205
58.4%
31Chess Tiger 2007.12804+11−1144.1%+38.542.4%2862
55.8%
32Chronos 1.9.8 64-bit2801+38−3848.6%+8.739.8%216
52.5%
33‑34Daydreamer 1.75 32-bit2800+30−3054.9%−32.644.3%345
48.8%
33‑34Frenzee Feb08 32-bit2800+14−1445.0%+33.437.7%1817
88.1%
35Umko 0.8 32-bit2778+34−3451.1%−12.339.9%273
54.1%
36Movei 00.8.438 (10 10 10)2776+13−1348.4%+8.038.5%2157
88.3%
37Alaric 7072765+13−1349.3%+4.135.3%2007
62.4%
38BugChess2 1.6.4 32-bit2761+22−2247.4%+16.041.0%644
75.5%
39Cyrano 0.6b172751+16−1647.4%+16.841.9%1222
53.9%
40E.T. Chess 13.01.082750+15−1550.5%−3.437.5%1426
53.6%
41Colossus 2008b2749+15−1548.7%+9.139.8%1448
72.4%
42Slow Chess Blitz WV2.12743+13−1348.5%+9.837.1%2177
55.4%
43Pharaon 3.5.1 2CPU2741+32−3331.9%+137.627.4%368
63.9%
44Ruffian 2.1.02734+16−1647.4%+19.935.9%1376
62.6%
45WildCat 82731+17−1748.5%+8.537.6%1168
72.2%
46‑47Gandalf 62724+13−1343.8%+42.836.0%2219
49.5%
46‑47Hamsters 0.7.12724+18−1849.6%+3.641.3%1027
59.8%
48Pro Deo 1.22721+17−1748.9%+4.830.5%1179
71.3%
49Chiron 0.8.72713+23−2351.4%−9.734.4%637
53.6%
50Sloppy 0.2.3 64-bit2711+37−3748.6%+9.628.6%248
60.8%
51Deuterium 09.01.26.4922704+25−2550.1%−1.239.5%501
54.9%
52Alfil 8.1.12703+15−1550.8%−9.232.8%1599
56.2%
53Aristarch 4.502701+14−1446.1%+28.333.1%1825
51.9%
54N2 0.4 64-bit2700+28−2852.9%−20.932.6%432
52.3%
55The Baron 1.8.12699+24−2449.3%+3.431.9%615
54.0%
56Pseudo 0.7c2698+15−1551.0%−6.837.9%1386
54.7%
57Petir 4.392696+26−2650.2%−3.939.5%483
59.7%
58Arasan 11.6 64-bit2690+33−3351.6%−10.227.6%312
55.3%
59Lemming 0.24 32-bit2687+32−3248.4%+11.037.5%307
57.1%
60Brutus 8.05 32-bit2683+32−3244.6%+32.738.4%315
56.5%
61Jonny 2.832680+17−1746.9%+19.232.5%1245
71.9%
62Amyan 1.722671+23−2352.3%−15.831.0%619
58.7%
63Rotor 0.52668+19−1949.5%+2.338.0%876
56.5%
64Dirty 6J-222665+33−3354.1%−31.433.0%306
53.4%
65SOS 5.12663+17−1746.4%+22.435.9%1171
58.9%
66Anaconda 2.0.12660+27−2747.8%+12.335.9%426
67.0%
67Tornado 2.22651+29−2955.7%−44.137.7%409
50.4%
68AnMon 5.662650+26−2650.5%−3.230.9%514
63.6%
69Ufim 8.022645+17−1749.8%−1.631.4%1236
87.7%
70DanaSah 4.242631+18−1851.7%−12.537.1%1059
61.3%
71GarboChess 2.202627+17−1749.4%+3.835.0%1135
58.1%
72Viper 0.12623+36−3646.7%+21.931.9%260
58.1%
73Cerebro 3.01c2618+31−3147.5%+18.129.2%367
61.6%
74Nimzo 82612+32−3242.0%+57.333.7%338
50.9%
75LittleThought 1.052 64-bit2611+35−3555.2%−38.025.0%288
54.5%
76Little Goliath Evolution 3.122609+20−2045.7%+28.732.4%890
52.0%
77Hermann 2.42608+23−2349.8%+1.329.3%651
51.7%
78Tao 5.62607+23−2349.0%+7.627.5%670
74.2%
79Philou 3.1.4.12596+25−2545.0%+34.732.1%524
53.2%
80Xpdnt 0910072594+23−2353.9%−26.734.2%611
52.6%
81Gaviota 0.74.41 64-bit2593+34−3545.5%+29.628.5%288
55.2%
82Matacz 1.32590+28−2847.1%+20.232.5%412
52.6%
83BBChess 1.3b2589+25−2550.7%−4.537.8%500
51.3%
84Trace 1.362588+28−2849.0%+7.129.0%438
55.8%
85‑88Anatoli 0.35k2586+18−1851.2%−10.432.0%1098
47.6%
85‑88Pepito 1.59 32-bit2586+24−2449.4%+2.834.0%559
51.2%
85‑88Quark 2.352586+24−2448.6%+8.131.3%607
49.4%
85‑88SpiderChess 0706032586+28−2850.7%−0.840.9%416
53.0%
89Yace 0.99.872585+23−2349.8%+2.727.6%648
83.1%
90Counter 1.22566+29−2947.6%+16.141.8%378
61.5%
91Pupsi2 0.082560+35−3545.9%+30.628.2%280
52.6%
92NanoSzachy 3.82559+23−2352.3%−19.328.7%642
51.7%
93Delphil 1.9g2558+29−2950.9%−7.038.4%378
56.6%
94Bruja 1.9.1 32-bit2555+25−2550.6%−4.533.7%516
74.2%
95Typhoon 1.00-3582544+19−1948.4%+10.133.1%924
60.8%
96PostModernist 10162539+27−2746.1%+26.028.1%459
52.8%
97Homer 2.012538+23−2349.2%+4.432.2%646
59.5%
98Snitch 1.6.2 32-bit2534+25−2645.8%+28.229.0%527
57.3%
99Kiwi 0.6d2531+25−2547.0%+18.030.1%574
55.3%
100Muse 0.899b2528+23−2348.0%+15.327.9%628
62.0%
101KnightDreamer 3.32522+36−3648.0%+14.932.5%249
59.9%
102Queen 4.032516+21−2149.7%+0.534.7%777
51.6%
103Dragon 4.62515+21−2146.3%+25.534.0%761
54.2%
104Djinn 0.925x2514+26−2646.7%+21.527.8%540
51.4%
105Diablo 0.5.12513+23−2350.6%−3.332.4%645
53.5%
106RomiChess P3k 32-bit2512+20−2049.2%+4.733.0%871
61.2%
107Gaia 3.5 32-bit2507+25−2548.0%+14.528.7%544
53.9%
108Rodin 3.02505+29−2947.3%+19.926.2%427
52.4%
109Comet B682504+25−2645.8%+29.825.3%549
55.4%
110Gosu 0.162501+24−2446.8%+23.526.4%590
52.6%
111Pawny 0.1.9 64-bit2500+38−3843.1%+47.427.1%240
53.9%
112Amy 0.87b2498+31−3147.5%+20.126.2%363
53.8%
113‑114Horizon 4.42496+20−2050.0%−1.126.5%898
48.6%
113‑114Patzer 3.802496+31−3148.5%+12.724.5%364
53.5%
115GreKo 6.302494+37−3747.9%+14.332.5%237
52.8%
116Sage 3.532493+19−1950.8%−5.628.0%957
51.6%
117‑118Amateur 2.822492+23−2346.2%+26.024.9%672
50.7%
117‑118Sorgenkind 0.42492+18−1852.7%−16.928.6%1105
68.5%
119Ares 1.0042483+30−3048.6%+8.925.6%394
58.1%
120‑121Phalanx XXII2479+34−3446.8%+22.724.5%310
49.3%
120‑121Thor's Hammer 2.28 32-bit2479+29−2948.6%+10.328.8%403
75.4%
122Tytan 9.32465+29−2950.4%−1.724.8%447
57.3%
123Glass 1.32461+27−2750.9%−5.231.9%477
73.2%
124Flux 2.22450+25−2548.7%+8.628.9%546
60.5%
125‑127Aice 0.99.22445+27−2746.9%+21.128.0%478
48.8%
125‑127Amundsen 0.802445+27−2747.3%+19.732.1%470
50.8%
125‑127WChess 1.62445+32−3247.5%+14.833.1%317
58.4%
128Popochin 2.92439+41−4146.2%+32.432.4%210
52.0%
129Chezzz 1.0.32438+33−3351.8%−15.429.3%304
50.8%
130Asterisk 0.62437+21−2149.7%+1.627.2%801
61.0%
131KnightX 1.922432+29−2950.8%−6.226.1%429
54.3%
132Arion 1.72430+27−2753.3%−26.029.1%491
76.7%
133Zeus 1.272414+34−3452.1%−22.423.2%328
52.3%
134Cheese 1.32413+19−2046.6%+25.328.7%934
55.8%
135Anechka 0.082410+23−2345.8%+31.826.2%682
52.9%
136Natwarlal 0.142409+22−2347.0%+21.223.6%721
58.5%
137Averno 0.812405+31−3148.9%+6.326.1%357
51.6%
138‑139Ant 2006-F2404+27−2747.2%+18.425.2%515
50.0%
138‑139Joker 1.1.142404+23−2350.9%−6.327.7%686
63.2%
140Matilde 20082396+40−3957.0%−47.132.4%213
69.7%
141Butcher 1.60n12383+31−3147.0%+19.534.6%347
60.5%
142AliChess 4.202376+41−4147.4%+20.021.2%212
69.7%
143Chispa 4.0.32364+23−2349.2%+5.826.9%661
62.9%
144Waxman 20092358+23−2348.6%+9.029.9%658
55.9%
145Sungorus 1.3 32-bit2355+35−3552.8%−17.324.4%283
55.3%
146EXchess 5.01b2352+30−3046.2%+23.332.2%369
65.2%
147KMTChess 1.2.1 64-bit2342+40−4054.6%−34.428.7%216
53.8%
148‑149Ayito 0.2.9942339+28−2845.5%+31.622.6%468
50.6%
148‑149Feuerstein 0.4.6.12339+21−2248.3%+11.727.3%755
79.6%
150‑151ChessAlex 2.0r42326+24−2449.0%+4.329.0%589
48.3%
150‑151Gibbon 2.52a2326+20−2051.4%−10.628.7%910
56.3%
152Uralochka 1.1b2324+21−2149.1%+6.026.5%808
78.7%
153‑155BlackBishop 1.02312+22−2348.6%+8.127.3%689
49.5%
153‑155EveAnn 1.622312+34−3449.0%+3.527.3%311
49.3%
153‑155ZCT 0.3.24512312+27−2749.4%+4.425.5%478
61.7%
156RattateChess Bologna 20072307+25−2552.1%−15.425.3%576
52.8%
157Neurosis 2.52306+21−2250.9%−7.031.5%728
53.3%
158Atlas 2.202304+36−3650.4%−4.921.5%275
59.4%
159‑160Alf 1.092299+25−2549.6%−1.029.3%566
48.7%
159‑160Latista (Sinobyl) 1.52299+32−3250.7%−7.524.4%361
56.0%
161Mediocre 0.342296+28−2850.2%−2.022.3%479
53.1%
162Buzz 0.08 32-bit2294+28−2851.1%−7.025.4%472
65.7%
163‑164Atak 6.52287+25−2551.0%−9.023.7%574
49.1%
163‑164OBender 3.2.4.22287+22−2249.9%+1.129.1%738
52.3%
165Alex 2.032286+30−3049.3%+4.524.7%384
68.5%
166Lime 662277+24−2451.2%−11.222.7%638
50.3%
167NagaSkaki 5.122276+22−2250.0%−0.328.9%703
63.7%
168KnockOut 0.7.12270+30−3060.6%−75.426.6%398
62.6%
169OliThink 5.1.92263+30−3046.6%+27.821.3%417
55.0%
170Bearded 06_292260+32−3249.9%+2.425.7%338
68.6%
171‑172Adam 3.22249+31−3152.6%−19.221.6%385
49.4%
171‑172Parrot 07.01.162249+37−3747.1%+21.820.9%273
63.4%
173TJchess 0.1212242+20−2045.6%+33.224.7%906
58.5%
174Prophet 2.02238+23−2346.7%+24.123.2%664
85.4%
175Clarabit 1.002221+22−2347.8%+12.130.0%686
80.4%
176Ifrit j2.92201+41−4150.5%−4.318.1%215
68.3%
177FireFly 2.5.62189+25−2546.0%+26.024.6%558
59.6%
178BikJump 2.012185+22−2250.8%−5.528.6%721
77.0%
179BigLion 2.23x2172+24−2544.8%+37.127.7%588
72.8%
180Mustang 4.972161+30−3045.3%+32.132.2%391
53.5%
181‑182ChessMind 0.822159+36−3651.4%−10.519.4%278
48.3%
181‑182Matheus 2.32159+28−2943.5%+48.920.8%453
54.6%
183ECE 1.12157+39−3944.7%+40.018.7%246
85.4%
184Monarch 1.72131+25−2542.0%+71.819.9%637
60.8%
185Kurt 2710092124+41−4146.7%+19.026.3%209
53.9%
186BibiChess 0.52121+33−3344.5%+38.425.2%326
52.2%
187Schola 1.1.02120+37−3848.6%+10.727.0%248
74.7%
188Heracles 0.6.162104+29−3045.9%+29.927.5%404
94.0%
189Marvin 1.3.02071+28−2940.8%+68.623.0%457
66.1%
190Smash 1.0.32063+29−3038.1%+94.717.7%451
56.7%
191Carballo 0.4 32-bit2059+40−4131.9%+130.631.9%226
51.7%
192Rival 1.182057+29−2942.1%+57.126.4%436
78.2%
193Micro-Max 4.8 (DM-PII)2043+26−2648.2%+14.225.1%517
79.6%
194Reger 0.092022+38−3934.6%+113.622.8%259
65.6%
195Clueless 1.42012+25−2637.5%+99.717.9%605
53.8%
196Warrior 1.0.32010+34−3441.3%+65.424.8%311
75.4%
197Surprise 4.3b131995+31−3236.3%+107.419.3%394
64.3%
198Slibo 0.4.81985+42−4427.3%+189.712.0%249

Results matrix

All engines (top 12, best versions only)
#NameELO1
Rybka
2
Stock
3
Naum
4
Deep
5
Deep
6
Critt
7
Zappa
8
Spark
9
Komod
10
Think
11
Deep
12
Hiarc
1Rybka 4 64-bit 4CPU3269 51.5 − 35.5
+22−6=59
−1		32 − 25
+12−5=40
−47		43.5 − 12.5
+31−0=25
+31		  40 − 13
+29−2=22
−30		48.5 − 11.5
+38−1=21
+12		1 − 1
+0−0=2
−223		65 − 12
+55−2=20
+21		35.5 − 8.5
+31−4=9
−3		 
2Stockfish 1.7.1 64-bit 4CPU321735.5 − 51.5
+6−22=59
+1		 30 − 23
+14−7=32
+7		53.5 − 24.5
+32−3=43
+14		  38 − 15
+25−2=26
−11		15 − 5
+11−1=8
+17		25 − 8
+19−2=12
−1		 42 − 10
+35−3=14
+37		46 − 16
+33−3=26
−53
3Naum 4.2 64-bit 4CPU318925 − 32
+5−12=40
+47		23 − 30
+7−14=32
−7		 28.5 − 25.5
+15−12=27
−49		  15 − 9
+9−3=12
−38		14.5 − 5.5
+10−1=9
+23		3 − 0
+3−0=0
+INF		 37.5 − 15.5
+27−5=21
−26		38.5 − 12.5
+29−3=19
−10
4Deep Shredder 12 64-bit OA On 4CPU312412.5 − 43.5
+0−31=25
−31		24.5 − 53.5
+3−32=43
−14		25.5 − 28.5
+12−15=27
+49		   2 − 2
+1−1=2
−50		 2.5 − 1.5
+1−0=3
+5		34.5 − 16.5
+24−6=21
+21		43 − 26
+27−10=32
−20		72.5 − 31.5
+46−5=53
+2
5Deep Fritz 11 4CPU3096      23.5 − 16.5
+11−4=25
+25		   24 − 13
+13−2=22
+18		 
6Critter 0.80 64-bit3074            
7Zappa Mexico II 64-bit 4CPU307413 − 40
+2−29=22
+30		15 − 38
+2−25=26
+11		9 − 15
+3−9=12
+38		2 − 2
+1−1=2
+50		16.5 − 23.5
+4−11=25
−25		   0 − 3
+0−3=0
−INF		21.5 − 23.5
+11−13=21
−54		47.5 − 29.5
+27−9=41
+23		17 − 15
+9−7=16
−46
8Spark 0.5 64-bit 4CPU307211.5 − 48.5
+1−38=21
−12		5 − 15
+1−11=8
−17		5.5 − 14.5
+1−10=9
−23		     13.5 − 6.5
+9−2=9
+83		 12 − 8
+8−4=8
+20		 
9Komodo 1.2 64-bit30461 − 1
+0−0=2
+223		8 − 25
+2−19=12
+1		0 − 3
+0−3=0
−INF		1.5 − 2.5
+0−1=3
−5		  3 − 0
+3−0=0
+INF		6.5 − 13.5
+2−9=9
−83		  1 − 1
+1−1=0
−17		 
10Thinker 5.4C Inert 64-bit 4CPU303312 − 65
+2−55=20
−21		  16.5 − 34.5
+6−24=21
−21		  23.5 − 21.5
+13−11=21
+54		   31 − 25
+23−17=16
+34		36.5 − 24.5
+21−9=31
+34
11Deep Sjeng WC2008 64-bit 4CPU30298.5 − 35.5
+4−31=9
+3		10 − 42
+3−35=14
−37		15.5 − 37.5
+5−27=21
+26		26 − 43
+10−27=32
+20		13 − 24
+2−13=22
−18		 29.5 − 47.5
+9−27=41
−23		8 − 12
+4−8=8
−20		1 − 1
+1−1=0
+17		25 − 31
+17−23=16
−34		 17.5 − 14.5
+10−7=15
+6
12Hiarcs 12.1 4CPU3009 16 − 46
+3−33=26
+53		12.5 − 38.5
+3−29=19
+10		31.5 − 72.5
+5−46=53
−2		  15 − 17
+7−9=16
+46		  24.5 − 36.5
+9−21=31
−34		14.5 − 17.5
+7−10=15
−6		 
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
Sto
3
Nau
4
Dee
5
Dee
6
Cri
7
Zap
8
Spa
9
Kom
10
Thi
11
Dee
12
Hia
1Rybka 4 64-bit 4CPU3269 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Stockfish 1.7.1 64-bit 4CPU32170.0 97.2100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Naum 4.2 64-bit 4CPU31890.02.8 100.0100.0100.0100.0100.0100.0100.0100.0100.0
4Deep Shredder 12 64-bit OA On 4CPU31240.00.00.0 94.698.7100.099.6100.0100.0100.0100.0
5Deep Fritz 11 4CPU30960.00.00.05.4 80.291.284.399.3100.0100.0100.0
6Critter 0.80 64-bit30740.00.00.01.319.8 50.653.388.797.198.499.9
7Zappa Mexico II 64-bit 4CPU30740.00.00.00.08.849.4 54.196.9100.0100.0100.0
8Spark 0.5 64-bit 4CPU30720.00.00.00.415.746.745.9 89.097.798.999.9
9Komodo 1.2 64-bit30460.00.00.00.00.711.33.111.0 78.786.699.0
10Thinker 5.4C Inert 64-bit 4CPU30330.00.00.00.00.02.90.02.321.3 66.298.6
11Deep Sjeng WC2008 64-bit 4CPU30290.00.00.00.00.01.60.01.113.433.8 97.1
12Hiarcs 12.1 4CPU30090.00.00.00.00.00.10.00.11.01.42.9 
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

272'296 games (52.59 MB)

All games with comments

272'296 games (162.65 MB)

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

Various statistics

Created in 2005-2008 by CCRL team
Last games added on August 7, 2010