CCRL 40/15
Downloads and Statistics
November 28, 2020
Testing summary:
Total: 1'194'035 games
played by 2'744 programs

White wins: 411'031 (34.4%)
Black wins: 303'225 (25.4%)
Draws: 479'779 (40.2%)
White score: 54.5%

Rating list

CCRL 40/15 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 15 minutes on an Intel i7-4770k.
Computed on November 28, 2020 with Bayeselo based on 1'194'035 games

Color legend: Commercial, Free, Open source, Private.
Bold font - tested with 200 games or more. Normal font - less than 200 games.

RankNameRatingScoreAverage
Opponent
DrawsGamesLOS
Elo+
1Stockfish 12 64-bit 4CPU3517+24−2475.3%−163.848.8%582 
99.2%
2Dragon by Komodo 64-bit3470+28−2774.2%−163.947.9%436
100.0%
3Houdini 6 64-bit 4CPU3400+11−1160.9%−68.462.1%2506
75.6%
4Ethereal 12.75 64-bit 4CPU3390+26−2655.9%−31.468.0%384
99.4%
5SlowChess Blitz 2.3 64-bit 4CPU3348+21−2147.3%+17.068.4%582
68.4%
6‑7Nemorino 6.00 64-bit3340+17−1756.7%−39.360.5%1015
52.5%
6‑7Xiphos 0.6 64-bit 4CPU3340+16−1645.5%+27.666.1%1034
96.1%
8Fire 7.1 64-bit 4CPU3322+12−1251.2%−8.062.2%2257
64.0%
9RofChade 2.3 64-bit 4CPU3318+19−1942.4%+44.967.3%774
94.8%
10Booot 6.4 64-bit 4CPU3297+18−1939.4%+63.564.0%808
57.5%
11RubiChess 1.8 64-bit 4CPU3294+21−2234.9%+91.062.9%614
66.1%
12Laser 1.7 64-bit 4CPU3289+14−1442.6%+45.662.7%1467
88.0%
13‑15Deep Shredder 13 64-bit 4CPU3278+10−1045.4%+28.162.2%2887
51.5%
13‑15Defenchess 2.2 64-bit 4CPU3278+16−1640.5%+60.659.3%1134
49.0%
13‑15Fritz 17 64-bit 4CPU3278+18−1841.2%+53.162.9%854
66.9%
16Fizbo 2 64-bit 4CPU3273+12−1243.6%+40.055.0%2079
70.1%
17Igel 2.8.0 64-bit3267+17−1743.1%+44.758.3%1040
54.7%
18Schooner 2.2 64-bit 4CPU3265+26−2645.6%+28.360.7%420
56.4%
19Andscacs 0.95 64-bit 4CPU3263+17−1742.3%+47.559.3%943
99.8%
20Arasan 21.4 64-bit 4CPU3218+25−2545.0%+25.655.6%464
97.7%
21Chiron 4 64-bit 4CPU3189+12−1241.6%+57.352.4%2338
64.1%
22Vajolet2 2.7 64-bit 4CPU3184+25−2552.3%−14.255.8%459
61.3%
23Gull 3 64-bit 4CPU3180+9−942.5%+48.154.2%3783
52.5%
24NirvanaChess 2.4 64-bit 4CPU3179+13−1341.7%+56.054.2%1828
78.2%
25Equinox 3.20 64-bit 4CPU3173+11−1142.2%+50.259.0%2671
64.4%
26ChessBrainVB 3.72 4CPU3167+30−3045.0%+30.251.3%320
69.3%
27Critter 1.6a 64-bit 4CPU3158+8−845.3%+32.154.6%5429
68.5%
28Hannibal 1.7 64-bit 4CPU3154+14−1442.3%+48.254.5%1577
74.8%
29Bouquet 1.8 64-bit 4CPU3148+11−1143.6%+41.556.7%2427
60.6%
30Rybka 4 64-bit 4CPU3146+10−1048.7%+7.851.0%3180
74.4%
31Texel 1.07 64-bit 4CPU3140+14−1449.5%+5.749.2%1620
52.9%
32Pedone 1.8 64-bit 4CPU3139+28−2846.7%+19.057.4%350
52.8%
33Protector 1.9.0 64-bit 4CPU3138+15−1546.4%+24.853.9%1338
52.0%
34Lc0 0.24.0 w591226 64-bit3137+34−3449.8%−2.952.8%252
51.8%
35Alfil 15.7 64-bit 4CPU3136+17−1742.9%+48.456.3%1006
59.5%
36‑37Wasp 3.75 64-bit 4CPU3132+29−2948.9%+4.256.3%352
50.8%
36‑37Winter 0.9 64-bit3132+23−2348.6%+6.149.2%567
74.8%
38‑39BlackMamba 2.0 64-bit 4CPU3122+15−1544.2%+37.754.3%1408
49.5%
38‑39iCE 4.0 64-bit 4CPU3122+27−2747.9%+10.452.3%400
80.2%
40Senpai 2.0 64-bit 4CPU3108+19−1951.5%−12.048.7%816
68.6%
41Strelka 5.5 64-bit3102+7−645.6%+32.348.1%9977
84.1%
42Naum 4.6 64-bit 4CPU3094+14−1448.1%+12.054.3%1544
65.6%
43Demolito 2020-05-14 64-bit3089+20−2052.1%−15.750.1%731
54.6%
44Beef 0.3.6 64-bit3087+36−3642.3%+48.649.3%227
70.4%
45chess22k 1.14 64-bit3076+17−1749.3%+3.454.3%975
57.9%
46Amoeba 3.1 64-bit 4CPU3072+34−3442.1%+48.149.6%254
54.9%
47Rodent III 0.238 64-bit 4CPU3069+20−2047.2%+15.050.0%742
69.3%
48Topple 0.7.5 64-bit 4CPU3060+29−2953.2%−19.845.3%360
66.1%
49‑50Hiarcs 14 4CPU3053+13−1342.8%+43.651.2%1894
49.6%
49‑50Minic 2.46 64-bit3053+24−2453.5%−24.545.0%538
60.0%
51Combusken 1.3.0 64-bit3049+23−2348.3%+9.647.3%571
54.1%
52Marvin 4.0.0 64-bit3047+24−2450.1%−0.053.9%501
91.6%
53Deep Junior 13 64-bit 4CPU3026+16−1643.5%+41.049.9%1161
53.3%
54‑57Bobcat 8.0 64-bit 4CPU3025+21−2148.3%+11.353.5%636
50.0%
54‑57Fat Fritz Junior w510 64-bit3025+28−2851.2%−9.242.6%385
51.2%
54‑57Pirarucu 2.7.4 64-bit 4CPU3025+21−2053.6%−27.847.6%735
48.3%
54‑57SmarThink 1.98 64-bit3025+13−1349.6%−0.341.8%2003
86.2%
58Spike 1.4 Leiden 4CPU3015+11−1145.2%+29.847.7%2862
59.2%
59Crafty 25.2 64-bit 4CPU3013+16−1648.5%+9.442.5%1279
64.7%
60Cheng 4.39 64-bit 4CPU3009+15−1549.4%+4.148.6%1333
72.0%
61Monolith 2 64-bit3002+18−1848.9%+4.549.7%968
60.3%
62Hakkapeliitta TCEC v2 64-bit2999+13−1349.7%−4.442.5%1988
69.2%
63Bagatur 2.2 64-bit2993+19−1949.3%+4.447.7%811
57.3%
64Weiss 1.2 64-bit2990+21−2159.5%−71.236.6%834
66.3%
65Scorpio 2.8 64-bit 4CPU2983+25−2548.8%+7.046.3%492
57.9%
66‑67Deuterium 2019.2.37.73 64-bit2980+16−1648.1%+10.548.6%1211
48.7%
66‑67Godel 7.0 64-bit2980+18−1848.5%+6.741.5%992
77.0%
68EXchess 7.97b 64-bit 4CPU2970+17−1847.4%+19.145.9%1017
57.7%
69‑70Spark 1.0 64-bit 4CPU2968+13−1345.0%+32.446.6%1787
52.2%
69‑70Zappa Mexico II 64-bit 4CPU2968+10−1048.3%+9.148.1%3270
84.1%
71Toga II 4.0 64-bit 4CPU2957+19−1941.4%+56.740.4%958
76.4%
72FabChess 1.15 64-bit2947+19−1953.7%−26.444.4%843
65.0%
73Gaviota 1.0 64-bit 4CPU2941+16−1647.3%+16.745.4%1256
56.5%
74‑75Deep Sjeng c't 20102940+10−1046.4%+22.845.9%3392
49.2%
74‑75Tucano 7.07 64-bit 4CPU2940+33−3351.5%−9.744.7%291
53.5%
76The Baron 3.44 64-bit 4CPU2938+28−2846.8%+21.145.3%402
62.2%
77Onno 1.2.70 64-bit 4CPU2933+19−1947.3%+16.348.3%810
69.4%
78Thinker 5.4d Inert 64-bit 4CPU2925+23−2346.0%+24.349.7%587
76.8%
79Dirty CUCUMBER 64-bit2915+12−1250.1%−1.444.1%2138
54.3%
80DisasterArea 1.65 64-bit 4CPU2914+21−2144.2%+36.146.1%709
51.8%
81Francesca MAD 0.29 64-bit2913+23−2250.6%−1.846.0%602
53.8%
82Gogobello 2.0 64-bit 4CPU2912+25−2550.8%−7.339.1%522
58.9%
83Asymptote 0.8 64-bit2908+21−2147.6%+15.141.8%696
55.5%
84Counter 3.5 64-bit2906+20−2054.6%−34.241.0%792
55.3%
85Quazar 0.4 64-bit2904+10−1048.2%+10.943.5%3200
53.6%
86Koivisto 3.0 64-bit2903+27−2844.3%+36.248.6%401
57.9%
87DiscoCheck 5.2 64-bit2899+18−1848.5%+8.943.5%1030
56.6%
88Atlas 3.91 64-bit2898+13−1349.7%−2.839.5%1946
58.9%
89‑91Bright 0.4a 4CPU2895+15−1547.4%+17.241.1%1495
52.6%
89‑91Glaurung 2.2 64-bit 4CPU2895+16−1647.0%+18.640.7%1259
48.6%
89‑91Tornado 6.0 64-bit 4CPU2895+26−2645.5%+27.743.3%469
67.9%
92Octochess r5506 64-bit 4CPU2887+21−2144.5%+35.846.7%715
56.0%
93MinkoChess 1.3 64-bit 4CPU2885+21−2146.0%+24.343.7%725
72.2%
94Halogen 8 64-bit2876+22−2248.1%+11.736.2%744
52.6%
95Invictus r305 64-bit2875+18−1848.6%+8.941.6%950
53.1%
96Stash 23.0 64-bit2873+29−2953.6%−25.244.4%360
93.8%
97Loop M1-T 64-bit 4CPU2848+12−1243.2%+43.245.2%2447
57.1%
98Nemo 1.0.1 64-bit2846+12−1248.1%+12.342.9%2366
61.1%
99Shield 2.1 64-bit 4CPU2843+24−2448.7%+9.236.0%594
51.0%
100Cheese 2.0 64-bit 4CPU2842+30−3045.8%+26.539.2%355
51.8%
101Mr Bob 0.9.0 64-bit2841+29−2958.8%−63.838.0%400
58.8%
102BugChess2 1.9 64-bit 4CPU2837+21−2143.4%+44.638.2%738
77.4%
103Zurichess Neuchatel 64-bit2827+13−1347.4%+15.343.3%2013
69.8%
104Murka 3 64-bit2823+12−1248.1%+10.743.8%2150
64.8%
105tomitankChess 4.0 64-bit2818+22−2149.6%+0.345.3%667
57.5%
106Jonny 4.00 4CPU2815+25−2543.6%+42.235.0%540
56.0%
107GNU Chess 5.60 64-bit2812+16−1648.6%+8.041.8%1235
95.5%
108‑109GnuCheese 1.00 64-bit2793+16−1649.1%+4.240.5%1311
51.5%
108‑109Rhetoric 1.4.3 64-bit2793+12−1249.1%+2.540.1%2319
53.3%
110RuyDos 1.1.9 64-bit2792+15−1448.5%+8.037.5%1620
91.5%
111Pawny 1.2 64-bit2778+13−1348.1%+11.839.8%1856
67.3%
112Naraku 1.42774+16−1648.3%+10.726.1%1466
54.3%
113Frenzee 3.5.19 64-bit2772+14−1448.1%+11.434.5%1759
56.7%
114Twisted Logic 20100131x 64-bit2771+16−1649.4%+1.335.1%1355
73.8%
115Orion 0.7 64-bit2761+25−2551.0%−4.541.4%524
65.0%
116Bison 9.11 64-bit2756+13−1349.5%+0.635.5%2051
66.9%
117Ktulu 92752+12−1246.5%+22.039.1%2268
59.1%
118Devel 3.2.92749+24−2446.8%+18.536.4%552
50.8%
119Fridolin 3.10 64-bit 4CPU2748+33−3349.5%−0.231.5%308
67.0%
120Chronos 1.9.9 32-bit2739+17−1750.3%−0.343.2%1182
58.8%
121Carballo 1.7 64-bit2737+14−1449.2%+5.140.0%1690
54.0%
122Arminius 2018-12-23 64-bit2736+13−1349.6%+0.933.9%2214
79.4%
123Nebula 2.0 64-bit 4CPU2725+20−2045.1%+36.134.1%866
62.4%
124ProDeo 2.22721+17−1748.1%+11.537.1%1213
65.6%
125GreKo 2018.08 64-bit2716+21−2147.7%+17.136.4%796
85.2%
126Chess Tiger 2007.12703+10−1046.5%+23.442.8%3286
54.4%
127Chessmaster 11 Archangel2702+19−2046.8%+21.739.5%848
59.8%
128DanaSah 8.32699+20−2048.1%+8.639.5%850
61.4%
129ECE 19.6.6.3 64-bit2694+21−2148.6%+9.126.3%801
67.5%
130Delfi 5.42689+12−1148.2%+11.239.8%2606
58.4%
131Hamsters 0.7.1 4CPU2685+32−3252.4%−14.036.2%318
54.3%
132RedQueen 1.1.98 64-bit 4CPU2683+27−2739.4%+80.228.5%494
50.9%
133WyldChess 1.51 64-bit2682+15−1547.6%+12.834.1%1501
57.9%
134Daydreamer 1.75 64-bit2680+16−1648.5%+10.240.0%1235
68.0%
135Pharaon 3.5.1 4CPU2673+26−2643.6%+41.329.7%518
64.4%
136‑137Djinn 1.021 64-bit2667+13−1348.2%+10.836.6%1965
51.2%
136‑137Jellyfish 1.1 64-bit 4CPU2667+29−2953.3%−25.532.3%403
51.4%
138Movei 00.8.438 (10 10 10)2666+11−1147.4%+15.336.9%2843
62.5%
139Shallow 2020-09-09 64-bit2661+28−2854.6%−29.139.1%402
52.1%
140‑141Alaric 7072660+11−1249.4%+3.434.2%2683
49.4%
140‑141K2 0.952660+17−1747.5%+17.332.9%1211
53.2%
142Drosophila 1.6 64-bit2659+23−2349.1%+8.135.9%638
53.3%
143Floyd 0.9 64-bit2658+14−1449.2%+5.529.1%1726
65.0%
144‑145Ghost 3.1 64-bit 4CPU2651+30−2953.9%−25.528.5%393
50.7%
144‑145Philou 3.7.1 64-bit2651+13−1348.4%+9.636.9%1938
56.1%
146‑147Cyrano 0.6b17 64-bit2649+21−2148.4%+9.536.7%736
49.3%
146‑147E.T. Chess 13.01.082649+13−1349.1%+5.836.3%1930
58.1%
148Rotor 0.7a2647+21−2150.3%−4.235.5%724
57.8%
149Gandalf 7 64-bit2644+18−1848.2%+10.232.8%1054
53.2%
150Colossus 2008b2643+12−1249.0%+4.638.6%2176
85.6%
151Sjakk 2.2 64-bit2632+15−1549.2%+4.638.7%1425
55.6%
152Nawito 19062630+21−2149.8%+2.835.7%779
55.6%
153WildCat 82629+13−1348.6%+8.234.2%2015
54.7%
154Rodin 8.02627+15−1549.1%+4.938.3%1435
56.1%
155Delocto 0.61n 64-bit2625+24−2451.5%−10.840.7%546
56.5%
156‑157NoraGrace 2.0 64-bit2623+15−1550.3%−4.527.9%1545
48.8%
156‑157Ruffian 2.1.02623+13−1348.7%+8.137.6%2061
67.3%
158Phalanx XXV2619+15−1549.6%+1.932.3%1501
52.3%
159Caligula 0.9g2618+21−2153.7%−28.429.8%784
69.7%
160Sloppy 0.2.2 64-bit2611+16−1648.4%+7.532.9%1310
68.0%
161Donna 4.0 64-bit2606+15−1550.2%−2.536.3%1432
78.4%
162Glass 2.0 64-bit2598+13−1448.5%+10.232.9%1933
56.4%
163‑164Aristarch 4.502596+12−1248.5%+11.932.0%2584
50.5%
163‑164Muse 0.953 64-bit2596+16−1648.9%+5.534.7%1310
57.0%
165N2 0.4 64-bit2594+16−1649.9%+0.235.5%1362
53.5%
166Betsabe II 1.962593+21−2151.0%−6.826.4%828
59.6%
167‑171Amyan 1.722590+12−1250.0%−0.331.8%2383
50.4%
167‑171CuckooChess 1.12 32-bit2590+25−2548.8%+8.429.7%539
49.7%
167‑171Galjoen 0.40 64-bit2590+21−2150.8%−8.433.2%796
50.0%
167‑171Petir 4.392590+19−1948.3%+8.537.7%888
48.2%
167‑171Pseudo 0.7c2590+13−1349.8%+1.837.7%1994
54.0%
172Brutus 8.05 64-bit2589+21−2149.2%+3.934.9%747
60.3%
173GarboChess 3.0 64-bit2586+16−1649.6%+0.932.1%1350
55.6%
174Coiled 0.6 64-bit2584+12−1250.4%−2.234.1%2387
58.5%
175Dimitri 4.992582+20−2050.9%−6.830.0%882
83.2%
176Capivara LK 0.09b02f 64-bit2569+17−1649.8%+0.633.2%1240
71.3%
177SOS 5.12563+13−1348.1%+11.834.5%2080
54.0%
178Jumbo 0.7.0 64-bit2562+20−2050.3%−1.632.9%898
62.8%
179‑180Dorky 4.8 64-bit2558+14−1450.1%+0.231.3%1809
49.2%
179‑180JikChess 0.02 64-bit2558+16−1649.5%+1.728.1%1477
56.5%
181Velvet 1.0.0 64-bit2556+25−2549.9%−1.630.4%556
51.4%
182Anaconda 2.0.12555+27−2747.9%+11.935.2%458
51.4%
183‑185Delphil 3.2 64-bit 4CPU2554+31−3138.2%+85.630.5%374
49.7%
183‑185Detroid 1.0.1 64-bit2554+19−1951.2%−11.228.7%985
51.6%
183‑185Jazz 840 64-bit 4CPU2554+20−2057.8%−64.225.3%1000
57.5%
186Raven 1.0 64-bit2551+23−2351.2%−9.933.7%626
63.0%
187nanoSzachy 4.0 64-bit2546+17−1849.7%+1.531.5%1117
59.8%
188Ufim 8.022543+12−1249.6%+1.231.0%2576
54.5%
189KnightX 1.98 64-bit2541+27−2749.1%+7.630.5%482
57.6%
190‑191AnMon 5.752538+15−1549.0%+7.630.7%1534
52.1%
190‑191FrankWalter 2.4.0 64-bit2538+17−1749.5%+2.829.5%1256
55.3%
192Maverick 1.5 64-bit2536+14−1450.4%−4.329.8%1919
65.4%
193‑194Nemeton 1.8 4CPU2530+27−2749.9%+1.927.2%496
50.7%
193‑194OliThink 5.6.9 64-bit2530+27−2743.9%+43.430.2%483
52.8%
195Hermann 2.8 64-bit2529+16−1648.8%+8.726.3%1342
64.4%
196Axolotl 1.9 64-bit2524+20−2049.6%+0.431.3%883
78.4%
197CyberPagno 3.0 64-bit2514+14−1449.5%+0.531.0%1835
52.5%
198Nimzo 82513+28−2845.5%+33.432.2%453
63.9%
199Little Goliath Evolution 3.122507+18−1846.3%+25.033.6%1025
63.9%
200Tao 5.62503+16−1648.7%+9.427.5%1431
60.8%
201‑202LittleThought 1.052 64-bit2500+16−1648.1%+11.525.9%1404
49.9%
201‑202Pupsi2 0.092500+17−1749.2%+4.229.5%1262
65.8%
203Pepito 1.59.2 64-bit2495+17−1748.3%+11.434.5%1203
60.6%
204MadChess 2.2 64-bit2492+15−1548.2%+12.032.2%1594
56.2%
205Green Light Chess 3.01.2.22490+24−2448.1%+11.531.0%596
55.4%
206Yace 0.99.872488+17−1748.5%+11.428.6%1291
56.5%
207Trace 1.362485+20−2049.8%+2.026.4%889
54.8%
208‑209Myrddin 0.87 64-bit 4CPU2483+35−3538.9%+80.928.4%296
49.7%
208‑209Xpdnt 0910072483+15−1548.3%+10.831.3%1588
58.0%
210Cerebro 3.03d2481+17−1749.0%+5.429.1%1241
56.0%
211‑212Bruja 1.9.1 64-bit2479+18−1748.8%+8.726.3%1163
48.3%
211‑212Matacz 1.42479+16−1649.8%+1.532.8%1280
52.4%
213‑214SpiderChess 0706032478+20−2048.6%+11.439.6%777
51.4%
213‑214pikoSzachy 4.12478+29−2952.3%−15.930.8%412
56.3%
215‑216Anatoli 0.35k2475+16−1649.0%+5.931.6%1382
51.6%
215‑216Lozza 1.18 64-bit2475+15−1548.6%+9.733.1%1456
52.8%
217BBChess 1.3b2474+23−2349.2%+5.637.9%589
62.4%
218Quark 2.352469+18−1848.4%+10.828.6%1147
62.2%
219Bumblebee 1.0 64-bit2465+22−2248.7%+6.532.4%716
54.7%
220Giraffe 20150908 64-bit2463+19−1949.2%+5.024.0%1050
91.6%
221‑222Abrok 5.02445+18−1848.3%+10.329.5%1129
51.1%
221‑222Mephisto Gideon Professional2445+24−2448.6%+10.132.9%581
51.2%
223Hussar 0.42444+17−1648.3%+11.930.2%1267
52.2%
224Typhoon 1.00-3482443+30−3048.8%+9.627.5%385
55.1%
225‑226Eeyore 1.52 64-bit2441+17−1747.9%+13.728.0%1215
49.1%
225‑226Teki 2 64-bit2441+16−1649.4%+3.823.0%1437
54.7%
227‑228Bearded N44.5 64-bit2440+20−2049.0%+4.729.9%843
48.5%
227‑228King of Kings 2.562440+21−2151.1%−8.924.7%810
52.7%
229Taltos rev118 64-bit2439+18−1851.2%−9.426.2%1086
55.0%
230‑231Snitch 1.6.2 32-bit2437+22−2248.4%+8.928.0%706
50.5%
230‑231Tunguska 1.1 64-bit2437+19−1949.3%+4.229.8%1003
56.7%
232TJchess 1.3 64-bit2435+17−1748.8%+8.629.9%1178
64.1%
233Homer 2.012430+20−2149.1%+5.632.6%803
59.3%
234NoC 4.20 64-bit2426+25−2548.1%+12.621.7%599
58.8%
235Ares 1.005.2.1 64-bit2422+21−2151.4%−9.637.4%759
53.1%
236Cmcchess 2.6 64-bit2421+17−1748.6%+9.636.4%1129
56.7%
237Kiwi 0.6d 32-bit2419+19−1948.3%+10.127.0%975
54.1%
238PostModernist 10162418+18−1848.0%+11.229.8%1100
54.3%
239‑241Bitfoot 1.0.d9aeb43 64-bit2416+25−2549.1%+7.226.1%541
49.3%
239‑241Gaia 3.5 64-bit2416+21−2149.8%+0.524.9%827
50.7%
239‑241RomiChess P3n 64-bit2416+14−1348.8%+8.934.1%1919
64.0%
242‑243Diablo 0.5.12412+18−1848.8%+8.232.4%1082
49.9%
242‑243Ifrit m1.8 64-bit2412+18−1848.8%+10.128.6%1145
53.8%
244Jonesy 1.0 64-bit2411+21−2149.4%+2.829.9%810
54.3%
245Queen 4.032409+18−1848.4%+9.434.5%1080
64.3%
246Dragon 4.62405+17−1747.5%+16.332.3%1145
54.8%
247Amy 0.87b2403+24−2449.4%+6.725.7%610
51.4%
248Gosu 0.162402+18−1850.1%−2.127.5%1097
52.7%
249‑250KnightDreamer 3.32401+27−2749.3%+10.331.3%473
49.9%
249‑250Tigran 2.4n 64-bit2401+17−1749.3%+4.329.6%1263
55.2%
251Simplex 0.9.8 64-bit2400+17−1747.4%+17.725.2%1272
55.0%
252‑255Hedgehog 2.0 64-bit2397+36−3654.0%−30.228.4%264
50.2%
252‑255Patzer 3.802397+19−1948.1%+15.124.8%1009
51.0%
252‑255Popochin 4.1 64-bit2397+16−1650.6%−3.829.4%1352
50.4%
252‑255Zevra 2.1.2 r248 64-bit2397+20−2050.8%−6.326.6%877
54.0%
256Amateur 2.822395+19−1949.2%+4.124.6%983
55.0%
257Alex 2.14a 64-bit2393+18−1849.2%+5.529.9%1051
52.4%
258CT800 1.40 64-bit2392+28−2847.9%+14.728.0%446
54.6%
259Waxman 20142390+20−2048.5%+10.431.6%838
55.7%
260Sorgenkind 0.42388+14−1550.9%−4.827.7%1724
54.8%
261Sage 3.532387+18−1849.9%+0.927.3%1134
54.8%
262Horizon 4.42386+17−1749.0%+6.825.5%1294
54.2%
263Comet B682384+18−1948.3%+12.625.9%1057
53.0%
264Thor's Hammer 2.28 32-bit2383+22−2249.0%+7.128.8%730
54.1%
265‑267Googleplex Starthinker 1.6 64-bit2382+19−1948.3%+11.527.8%987
49.2%
265‑267Isa 2.0.83 64-bit2382+26−2652.9%−23.926.8%504
50.1%
265‑267Tytan 9.32382+22−2251.2%−9.225.6%727
90.7%
268Plisk 0.2.7d 64-bit2362+19−1949.0%+7.527.2%1007
62.6%
269Flux 2.2.12358+21−2151.2%−9.730.1%823
59.5%
270Barbarossa 0.6.0 64-bit2353+28−2851.0%−6.127.9%437
56.3%
271Ceibo 0.5 64-bit2350+27−2744.0%+43.022.5%516
68.0%
272Arion 1.72342+18−1849.0%+6.926.9%1071
61.8%
273Napoleon 1.8 64-bit2339+17−1751.0%−8.230.6%1242
52.2%
274Aice 0.99.22338+17−1749.4%+3.227.3%1201
53.7%
275Gibbon 2.60a 64-bit2337+20−2048.4%+9.131.0%833
53.8%
276‑277Butcher 1.61 64-bit2335+30−3048.7%+10.425.2%393
48.9%
276‑277EveAnn 1.712335+28−2848.4%+12.833.4%416
58.0%
278Asterisk 0.62332+18−1847.8%+15.727.0%1161
60.5%
279‑280Amundsen 0.802329+17−1749.1%+6.529.2%1269
48.5%
279‑280FireFly 2.7.2 64-bit2329+16−1647.2%+18.630.0%1406
58.5%
281Zeus 1.272326+25−2549.5%−1.526.2%580
54.1%
282Der Bringer 1.92324+23−2350.0%−0.519.0%746
52.2%
283Chezzz 1.0.32323+19−1950.1%−1.725.2%1040
53.5%
284WChess 1.062322+15−1550.2%−5.729.2%1711
64.9%
285Mediocre 0.42316+28−2848.7%+8.224.2%467
52.7%
286Kingfisher 1.1.1 64-bit2315+27−2750.7%−1.641.6%442
50.9%
287Averno 0.812314+18−1848.3%+13.728.5%1063
77.2%
288Rival 1.0.1 64-bit2303+24−2450.1%−2.727.8%663
52.7%
289‑291Anechka 0.082302+19−1848.8%+10.526.8%1053
49.3%
289‑291Ant 2006-F2302+19−1948.6%+9.324.0%1003
51.3%
289‑291Joker 1.1.142302+19−1949.3%+3.827.2%1020
53.4%
292‑293Fischerle 0.9.80 SE 64-bit2300+20−2047.8%+15.325.7%917
51.3%
292‑293Natwarlal 0.142300+19−1948.7%+9.325.0%1035
60.5%
294‑295Absolute Zero 2.4.7.2 64-bit2297+15−1550.9%−8.822.6%1739
49.6%
294‑295Sungorus 1.4 64-bit2297+18−1847.1%+21.522.3%1197
52.8%
296FoxSEE 5.1.2 64-bit2296+30−3046.3%+26.926.9%383
55.6%
297Dumb 1.3 64-bit2293+21−2150.9%−6.224.1%772
59.1%
298‑299Chaturanga 2.4.32290+19−1949.4%+1.526.5%1027
48.6%
298‑299Matilde 2008 64-bit2290+21−2149.0%+6.729.3%768
70.1%
300AliChess 4.252282+19−1948.4%+9.824.4%996
73.3%
301Chispa 4.0.32274+17−1749.5%+5.327.1%1180
53.2%
302CeeChess 1.3.2 64-bit2273+26−2647.9%+16.725.0%536
66.3%
303Ayito 0.2.9942266+20−2049.1%+4.922.4%924
74.1%
304Protej 0.5.8c2257+19−1948.5%+10.822.3%1017
58.2%
305Esc 1.162254+22−2247.4%+17.826.2%749
51.2%
306RattateChess 1.0 Nosferatu2253+18−1949.9%+1.127.8%1036
54.0%
307Exacto 0.e 64-bit2252+18−1848.9%+7.732.6%1063
57.2%
308Beowulf 2.4a 64-bit2250+18−1849.6%+0.726.4%1075
61.5%
309Mango Paola Ajedrez 4.12246+19−1948.2%+13.226.4%1017
60.4%
310Weini 0.0.23 64-bit2242+19−1948.7%+10.017.3%1115
59.6%
311Feuerstein 0.4.6.12239+19−1949.1%+5.628.5%944
52.5%
312Atak 6.82238+16−1650.8%−5.922.9%1440
59.0%
313Buzz 0.08 64-bit2235+20−2048.4%+12.223.5%910
51.9%
314RamJet 0.132234+19−1952.3%−16.826.6%973
54.9%
315SpaceDog 0.97.7 64-bit2232+22−2246.2%+28.024.3%734
53.9%
316‑317Dolphin 1.0 64-bit2231+18−1849.0%+5.324.5%1075
50.5%
316‑317KMTChess 1.2.1 64-bit2231+25−2549.0%+5.424.7%592
64.5%
318Tiny Chess 1.46 64-bit2225+19−1949.0%+5.927.9%1020
61.6%
319Robocide 20170718 64-bit2221+17−1748.4%+11.924.7%1244
57.8%
320Uralochka 1.1b2219+18−1848.9%+7.926.0%1090
59.6%
321‑322Joker2 0.7.7 64-bit2215+20−2047.6%+16.932.6%880
50.7%
321‑322OBender 03.2016 64-bit2215+18−1850.1%−2.424.1%1110
51.5%
323‑325ChessKISS 1.7c 64-bit2214+19−1948.6%+10.527.2%1005
50.5%
323‑325Madeleine 0.22214+22−2246.1%+27.423.3%737
49.6%
323‑325Neurosis 2.32214+25−2549.7%−0.726.1%575
58.2%
326‑327Adam 3.32211+19−1949.4%+3.822.5%1019
50.9%
326‑327ZCT 0.3.24512211+27−2749.4%+3.725.5%478
61.1%
328Latista (Sinobyl) 1.52206+22−2248.5%+7.624.8%719
50.7%
329Baislicka 1.0 64-bit2205+19−1947.3%+20.125.5%962
56.0%
330ChessAlex 2.0r42203+20−2046.9%+20.927.3%872
52.5%
331BlackBishop 1.02202+19−1848.8%+9.827.1%1039
56.9%
332‑333Dorpsgek Eve's Temptation 64-bit2200+14−1448.8%+9.024.0%1953
49.7%
332‑333MORA 1.0.02200+27−2752.5%−17.028.0%478
51.8%
334Achillees 1.0 64-bit2199+27−2743.0%+56.220.0%530
58.3%
335Alf 1.092196+23−2349.4%+0.431.1%634
55.7%
336Alarm 0.93.12193+21−2145.1%+43.819.0%880
52.7%
337Embla 2.0.7 64-bit2192+30−3048.6%+10.327.0%396
51.4%
338NG-Play 9.85 64-bit2191+29−2946.1%+28.327.3%410
51.9%
339GopherCheck 0.2.3 64-bit2190+19−1949.2%+6.631.4%1001
61.0%
340NagaSkaki 5.122187+17−1751.2%−8.726.5%1265
65.0%
341Lime 662182+17−1752.0%−19.320.4%1367
55.0%
342Terra 3.42180+24−2449.0%+13.317.3%718
54.2%
343‑344Prophet 2.0 64-bit2178+28−2850.4%−3.724.6%456
50.9%
343‑344Soldat III 0.187 64-bit2178+21−2148.0%+14.826.3%813
62.1%
345Clever Girl r160 64-bit2173+21−2148.0%+11.124.4%832
68.1%
346Kurt 0.9.2.2 64-bit2166+21−2147.7%+18.024.2%828
58.3%
347‑348Chesley r323 64-bit2163+22−2248.1%+14.420.8%804
48.6%
347‑348ProChess 1.02AD2163+19−1948.4%+7.222.1%1043
53.1%
349Micah 1.0 64-bit2162+25−2544.0%+45.625.4%566
72.9%
350KnockOut 0.7.12153+15−1551.1%−8.126.6%1574
80.8%
351Blitzkrieg rev337 64-bit2142+19−1946.9%+22.626.4%1013
66.9%
352Parrot 07.07.222136+19−1947.3%+19.923.0%1047
88.3%
353BikJump 2.01 64-bit2120+19−1948.8%+9.024.4%965
59.6%
354Clarabit 1.00 32-bit2116+22−2247.6%+14.429.9%736
62.0%
355Cinnamon 2.2a 64-bit2112+20−2048.7%+9.225.3%912
60.8%
356King's Out 0.2.42 64-bit2107+22−2248.8%+10.416.6%800
60.9%
357Armageddon 2.3082103+25−2456.6%−55.420.2%678
70.9%
358Bodo 0.2b2093+22−2247.8%+16.620.9%786
66.6%
359Gunborg 1.35 64-bit2087+21−2152.2%−7.527.9%806
51.3%
360Freyr 1.068 64-bit2086+21−2158.3%−63.420.6%859
64.8%
361‑362Small Potato 0.7.0 64-bit2080+21−2153.6%−29.021.3%873
51.3%
361‑362Smash 1.0.3a 64-bit2080+22−2247.9%+17.123.0%768
52.4%
363AdroitChess 0.42079+22−2256.0%−56.215.3%858
52.2%
364Jabba 1.0 64-bit2078+22−2244.9%+38.821.8%751
52.0%
365BigLion 2.23w2077+21−2146.2%+25.323.3%840
56.4%
366Little Wing 0.6.0 64-bit2074+33−3338.8%+86.917.4%356
63.2%
367Matant 5.042067+22−2260.5%−83.722.9%827
72.0%
368Vice 1.0 64-bit2057+25−2549.7%+3.520.7%608
53.3%
369Zeta Dva 0301 64-bit2056+28−2849.0%+9.129.4%446
62.4%
370‑371Ecce 1.0 (rev. 508) 64-bit2050+21−2147.1%+23.518.4%901
49.5%
370‑371Goldfish 1.13.0 64-bit2050+20−2049.9%+2.527.0%870
55.6%
372PLP 16615712048+22−2246.2%+27.424.2%768
55.2%
373Squared-chess 1.3.0 64-bit2046+23−2352.4%−18.221.9%736
53.9%
374‑375Monarch 1.72044+17−1748.2%+19.019.0%1363
50.6%
374‑375Mustang 4.972044+26−2644.7%+36.530.8%533
54.3%
376Matheus 2.32042+23−2345.0%+44.522.8%705
71.5%
377Abbess 2018.02.072033+22−2146.7%+26.119.4%840
53.6%
378ChessMind 0.822032+23−2346.0%+30.019.2%744
54.9%
379Schola 1.1.0 64-bit2030+22−2249.4%+3.923.1%780
53.4%
380‑381Bestia 0.902028+28−2851.4%−6.724.3%469
51.0%
380‑381Faile 1.4.42028+23−2355.2%−28.422.1%774
51.7%
382Arabian Knight 1.55 64-bit2027+25−2546.5%+28.019.4%608
52.8%
383‑384Slibo 0.5.12026+26−2645.5%+33.319.4%573
49.3%
383‑384Wuttang r2 64-bit2026+18−1848.2%+10.622.6%1204
52.1%
385Cupcake 1.1a 64-bit2025+22−2250.5%−2.916.4%804
81.7%
386Bubble 1.52012+19−1943.6%+53.220.5%1101
76.5%
387La Dame Blanche 2.0c2003+15−1550.1%−1.018.7%1766
56.2%
388BibiChess 0.52001+24−2445.7%+31.326.5%607
50.3%
389Oberon 0.042000+24−2451.9%−14.519.4%648
55.4%
390Snowy 0.2 64-bit1998+26−2651.5%−12.119.0%554
54.3%
391BSC 3.91995+37−3745.1%+38.524.0%263
58.4%
392ALChess 1.841991+23−2352.8%−22.726.8%672
69.2%
393Heracles 0.6.161983+19−1947.8%+15.926.8%1034
86.5%
394Dabbaba 5.671965+25−2545.5%+33.326.4%557
53.0%
395BeLL 0.0.41 64-bit1964+22−2250.1%−1.224.5%722
64.2%
396Sissa 2.01958+23−2353.1%−22.930.1%678
55.5%
397Monik 2.2.3 32-bit1955+30−3044.4%+39.427.1%395
53.5%
398Wowl 1.3.81953+26−2745.4%+35.613.3%573
60.1%
399Etude 0.1.21949+22−2250.3%−2.624.5%772
56.2%
400Franky 1.0 64-bit1946+25−2548.8%+8.113.3%640
58.1%
401Micro-Max 4.8 (DM-PII)1943+20−2048.3%+12.426.1%865
60.0%
402MatMoi 7.15.0-cct 32-bit1939+25−2642.7%+54.924.5%568
60.9%
403Eia 0.31934+20−2047.1%+22.524.4%914
83.6%
404Presbyter 1.3.0 64-bit1918+25−2542.2%+55.416.5%638
62.6%
405Clueless 1.41913+18−1843.0%+55.815.3%1232
62.4%
406Reger 0.091908+20−2040.7%+71.222.3%924
56.3%
407Warrior 1.0.31906+19−1944.5%+41.022.5%1072
61.4%
408ChessterfieldCL i5a1902+24−2540.6%+73.120.4%657
56.0%
409Deepov 0.4.1 64-bit1899+24−2444.1%+46.117.3%677
61.2%
410Surprise 4.3b131894+22−2339.5%+82.019.4%768
54.0%
411Sapeli 1.02 64-bit1893+21−2247.9%+14.620.4%796
70.0%
412MOBMAT 0.903d 64-bit1884+25−2637.5%+109.916.0%668
56.9%
413GChess IV 0.2.01881+21−2141.2%+64.928.8%855
57.9%
414CDrill 1800 build 41878+23−2441.4%+72.815.5%741
77.6%
415Predateur 2.2 64-bit1859+41−4239.6%+79.718.1%216
76.5%
416Skiull 0.3 64-bit1841+23−2345.2%+35.524.8%660
54.0%
417BeRoChess 1.00 32-bit1839+37−3837.4%+98.122.9%266
50.6%
418Sayuri 2018.03.06 64-bit1838+26−2642.8%+57.116.0%600
53.6%
419‑420Pigeon 1.5.1 64-bit1837+27−2740.5%+69.426.1%502
48.8%
419‑420Roce 0.03901837+27−2743.4%+49.920.4%539
59.8%
421‑422Ajedrez Tactico 2.73b1832+26−2642.4%+62.218.6%598
51.2%
421‑422JSBam 0.521832+30−2881.9%−269.015.7%626
59.3%
423Apollo 1.2.1 64-bit1827+22−2254.3%−33.919.0%832
73.3%
424Chenard 2018.03.06 64-bit1818+19−1949.3%+5.417.0%1143
58.9%
425RataAeroespacial 0.2.11815+13−1342.5%+64.612.9%2478
58.8%
426Ranita 2.41812+26−2648.7%+5.016.2%653
78.8%
427Lodocase 2402081797+27−2753.8%−26.015.6%546
63.7%
428Robin 0.9831790+28−2851.0%−9.413.3%566
51.6%
429Ziggurat 0.18 64-bit1789+42−4329.3%+160.824.3%222
54.8%
430‑431Grizzly 1.40.1b1786+27−2756.0%−50.010.3%592
48.2%
430‑431Mint 2.31786+27−2757.7%−63.220.1%556
93.2%
432Pulsar 2009-9b1759+24−2449.9%−5.522.6%694
60.0%
433Zoidberg 0.11755+26−2654.9%−43.117.9%592
89.3%
434Enigma 1.1.41736+15−1541.8%+67.517.1%1840
64.5%
435Kanguruh 1.931731+23−2352.4%−17.219.4%754
88.0%
436Shallow Blue 2.0.0 64-bit1712+22−2252.1%−20.118.6%776
83.6%
437Tom Thumb 0.2 64-bit1697+19−1951.8%−14.022.7%1020
54.9%
438Laurifer 1.01696+23−2352.3%−21.117.0%777
54.4%
439EnkoChess 2908181694+23−2350.3%−1.418.5%731
53.9%
440TSCP 1.811692+19−2047.4%+21.817.0%1072
70.2%
441AdaChess 3.4 64-bit1684+23−2349.3%+7.321.5%708
69.9%
442Spartan 1.01674+25−2563.5%−102.821.2%624
67.4%
443Philemon C1667+25−2562.3%−95.322.0%626
59.4%
444VanillaChess 2.6g1663+25−2561.5%−89.720.2%624
99.1%
445SdBC 0.5.15.11622+24−2456.6%−47.927.2%624
59.0%
446Rainman 0.7.51618+24−2456.0%−44.225.2%624
57.4%
447Pulse 1.6.1 64-bit1615+21−2142.4%+66.214.3%928
83.0%
448Monochrome1602+17−1749.3%+9.528.8%1300
62.8%
449Bullitchess 1.0 64-bit1597+25−2552.2%−19.619.1%628
69.8%
450Needle 0.5311589+16−1648.8%+18.827.2%1418
75.4%
451Casper rev4 64-bit1579+24−2450.2%−2.623.9%624
60.5%
452PolarChess 1.31574+25−2549.3%+3.416.9%629
56.3%
453‑454Darky 0.5d1571+24−2443.5%+56.220.8%677
49.7%
453‑454Storm 0.61571+21−2238.3%+95.315.0%925
74.3%
455Damas 91560+25−2547.8%+17.117.6%626
76.1%
456IQ23.0031547+21−2133.6%+118.632.6%854
72.6%
457Cicada 0.1 64-bit1536+24−2544.1%+48.519.7%636
65.6%
458MSCP 1.6h1529+25−2544.0%+50.915.1%628
99.8%
459Apep 1.011479+25−2541.2%+72.210.1%683
79.1%
460Saruman 2017.08.10 64-bit1466+18−1830.7%+151.927.2%1249
95.8%
461Pooky 2.71439+26−2631.5%+144.817.1%626
75.7%
462Dreamer 0.3.0 64-bit1426+25−2633.9%+121.816.9%640
96.5%
463Hokus-Pokus 0.6.31390+27−2826.7%+196.711.0%628
72.5%
464BACE 0.461378+23−2421.5%+257.29.8%1027
 

Results matrix

All engines (top 12, best versions only)
#NameElo123456789101112
1Stockfish 12 64-bit 4CPU3517  21 − 11
+10−0=22
−31
17.5 − 6.5
+11−0=13
+9
26 − 6
+20−0=12
+40
 24 − 8
+16−0=16
−24
26 − 6
+20−0=12
+16
26.5 − 5.5
+21−0=11
+28
25.5 − 6.5
+19−0=13
−24
27.5 − 4.5
+23−0=9
+42
24.5 − 7.5
+17−0=15
−62
2Dragon by Komodo 64-bit3470     22 − 8
+14−0=16
+7
      
3Houdini 6 64-bit 4CPU340011 − 21
+0−10=22
+31
  12.5 − 11.5
+3−2=19
0
21 − 11
+11−1=20
+33
 20.5 − 11.5
+12−3=17
+23
20 − 12
+9−1=22
−11
20.5 − 11.5
+9−0=23
−6
24.5 − 7.5
+18−1=13
+71
24.5 − 7.5
+17−0=15
+60
21.5 − 8.5
+13−0=17
+15
4Ethereal 12.75 64-bit 4CPU33906.5 − 17.5
+0−11=13
−9
 11.5 − 12.5
+2−3=19
0
 13.5 − 10.5
+4−1=19
−11
 14 − 10
+5−1=18
−7
16 − 10
+6−0=20
−8
16 − 8
+9−1=14
+22
17 − 9
+8−0=18
−9
17.5 − 6.5
+11−0=13
+36
16.5 − 7.5
+9−0=15
+2
5SlowChess Blitz 2.3 64-bit 4CPU33486 − 26
+0−20=12
−40
 11 − 21
+1−11=20
−33
10.5 − 13.5
+1−4=19
+11
  16.5 − 15.5
+4−3=25
0
17 − 15
+7−5=20
−11
17 − 15
+5−3=24
−13
18.5 − 13.5
+8−3=21
−9
17.5 − 14.5
+6−3=23
−30
18.5 − 13.5
+7−2=23
−16
6Nemorino 6.00 64-bit3340 8 − 22
+0−14=16
−7
          
7Xiphos 0.6 64-bit 4CPU33408 − 24
+0−16=16
+24
 11.5 − 20.5
+3−12=17
−23
10 − 14
+1−5=18
+7
15.5 − 16.5
+3−4=25
0
  16 − 16
+4−4=24
−16
16 − 16
+4−4=24
−23
19.5 − 12.5
+7−0=25
+12
18.5 − 13.5
+6−1=25
−6
17.5 − 14.5
+7−4=21
−25
8Fire 7.1 64-bit 4CPU33226 − 26
+0−20=12
−16
 12 − 20
+1−9=22
+11
10 − 16
+0−6=20
+8
15 − 17
+5−7=20
+11
 16 − 16
+4−4=24
+16
 17.5 − 14.5
+4−1=27
+18
19 − 13
+8−2=22
+26
21 − 11
+10−0=22
+56
19 − 13
+7−1=24
+16
9RofChade 2.3 64-bit 4CPU33185.5 − 26.5
+0−21=11
−28
 11.5 − 20.5
+0−9=23
+6
8 − 16
+1−9=14
−22
15 − 17
+3−5=24
+13
 16 − 16
+4−4=24
+23
14.5 − 17.5
+1−4=27
−18
 17 − 15
+6−4=22
−5
18.5 − 13.5
+7−2=23
+16
19 − 13
+7−1=24
+19
10Booot 6.4 64-bit 4CPU32976.5 − 25.5
+0−19=13
+24
 7.5 − 24.5
+1−18=13
−71
9 − 17
+0−8=18
+9
13.5 − 18.5
+3−8=21
+9
 12.5 − 19.5
+0−7=25
−12
13 − 19
+2−8=22
−26
15 − 17
+4−6=22
+5
 14.5 − 17.5
+4−7=21
−31
15 − 17
+4−6=22
−26
11RubiChess 1.8 64-bit 4CPU32944.5 − 27.5
+0−23=9
−42
 7.5 − 24.5
+0−17=15
−60
6.5 − 17.5
+0−11=13
−36
14.5 − 17.5
+3−6=23
+30
 13.5 − 18.5
+1−6=25
+6
11 − 21
+0−10=22
−56
13.5 − 18.5
+2−7=23
−16
17.5 − 14.5
+7−4=21
+31
 15 − 17
+2−4=26
−20
12Laser 1.7 64-bit 4CPU32897.5 − 24.5
+0−17=15
+62
 8.5 − 21.5
+0−13=17
−15
7.5 − 16.5
+0−9=15
−2
13.5 − 18.5
+2−7=23
+16
 14.5 − 17.5
+4−7=21
+25
13 − 19
+1−7=24
−16
13 − 19
+1−7=24
−19
17 − 15
+6−4=22
+26
17 − 15
+4−2=26
+20
 
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)
#NameElo123456789101112
1Stockfish 12 64-bit 4CPU3517 99.2100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Dragon by Komodo 64-bit34700.8 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Houdini 6 64-bit 4CPU34000.00.0 75.6100.0100.0100.0100.0100.0100.0100.0100.0
4Ethereal 12.75 64-bit 4CPU33900.00.024.4 99.499.899.9100.0100.0100.0100.0100.0
5SlowChess Blitz 2.3 64-bit 4CPU33480.00.00.00.6 68.472.998.298.3100.0100.0100.0
6Nemorino 6.00 64-bit33400.00.00.00.231.6 52.594.594.299.999.9100.0
7Xiphos 0.6 64-bit 4CPU33400.00.00.00.127.147.5 96.196.1100.0100.0100.0
8Fire 7.1 64-bit 4CPU33220.00.00.00.01.85.53.9 64.098.998.8100.0
9RofChade 2.3 64-bit 4CPU33180.00.00.00.01.75.83.936.0 94.895.599.4
10Booot 6.4 64-bit 4CPU32970.00.00.00.00.00.10.01.15.1 57.575.4
11RubiChess 1.8 64-bit 4CPU32940.00.00.00.00.00.10.01.24.542.5 66.1
12Laser 1.7 64-bit 4CPU32890.00.00.00.00.00.00.00.00.624.633.9 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100


Complete list (all engines and versions)


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 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
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

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

1'194'035 games (224.34 MB)

All games with comments

1'194'035 games (696.47 MB)

Selection of games

(Please don't use aggressive download managers)

Various statistics


Created in 2005-2013 by CCRL team
Last games added on November 28, 2020