CCRL 40/15
Downloads and Statistics
April 18, 2021
Testing summary:
Total: 1'237'253 games
played by 2'822 programs

White wins: 424'164 (34.3%)
Black wins: 311'650 (25.2%)
Draws: 501'439 (40.5%)
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 April 18, 2021 with Bayeselo based on 1'237'253 games
Please refer to the "about" page for comments on engine inclusion

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 2021-01-11 64-bit 4CPU3551+20−1975.3%−165.748.5%872 
97.0%
2Fat Fritz 2 (in SF) 64-bit 4CPU3525+19−1971.3%−134.755.5%830
98.8%
3Dragon by Komodo 64-bit 4CPU3497+16−1667.2%−106.459.2%1163
100.0%
4Igel 3.0.0 64-bit 4CPU3400+23−2347.2%+16.967.6%516
57.2%
5Houdini 6 64-bit 4CPU3398+10−1057.6%−48.362.0%3156
55.8%
6SlowChess Blitz 2.5 64-bit 4CPU3396+18−1846.5%+22.064.8%829
64.7%
7Ethereal 12.75 64-bit 4CPU3392+15−1548.6%+10.267.5%1156
64.2%
8Fire 8 64-bit 4CPU3387+17−1748.6%+11.966.4%896
62.4%
9Nemorino 6.00 64-bit 4CPU3384+17−1748.3%+6.461.0%1011
98.1%
10RubiChess 2.0 64-bit 4CPU3357+20−2042.5%+46.869.8%660
94.6%
11Lc0 0.27.0 w703810 64-bit 4CPU3335+19−1944.8%+30.560.3%824
61.5%
12Booot 6.5 64-bit 4CPU3331+24−2436.1%+84.558.8%490
53.1%
13Xiphos 0.6 64-bit 4CPU3330+13−1340.3%+61.261.4%1720
97.3%
14RofChade 2.3 64-bit 4CPU3311+14−1438.4%+74.859.6%1452
74.1%
15Pedone 3.0 64-bit 4CPU3304+18−1836.8%+87.256.4%894
94.3%
16Laser 1.7 64-bit 4CPU3285+13−1340.3%+62.960.3%1815
76.7%
17Defenchess 2.2 64-bit 4CPU3278+14−1441.8%+52.760.3%1409
57.3%
18Deep Shredder 13 64-bit 4CPU3277+10−1045.2%+29.162.1%2939
79.7%
19Fizbo 2 64-bit 4CPU3270+12−1243.3%+42.054.9%2131
70.4%
20Schooner 2.2 64-bit 4CPU3263+26−2645.6%+27.660.7%420
56.0%
21Andscacs 0.94 64-bit 4CPU3260+18−1847.2%+18.254.2%907
91.0%
22Halogen 10 64-bit 4CPU3235+31−3150.4%−0.466.7%276
51.5%
23Wasp 4.50 64-bit 4CPU3234+23−2447.6%+13.362.5%496
70.1%
24Arasan 22.2 64-bit 4CPU3223+34−3450.8%−5.055.3%246
97.3%
25Chiron 4 64-bit 4CPU3188+12−1141.5%+56.553.0%2426
63.2%
26Vajolet2 2.8 64-bit 4CPU3183+28−2847.8%+11.163.9%360
59.6%
27Gull 3 64-bit 4CPU3179+9−942.5%+48.254.2%3783
54.7%
28NirvanaChess 2.4 64-bit 4CPU3178+13−1341.8%+55.154.5%1852
76.6%
29Equinox 3.20 64-bit 4CPU3172+11−1142.2%+50.459.0%2671
66.2%
30ChessBrainVB 3.72 4CPU3165+30−3045.0%+30.451.3%320
67.4%
31Critter 1.6a 64-bit 4CPU3157+8−845.3%+32.254.6%5429
69.6%
32Hannibal 1.7 64-bit 4CPU3153+14−1442.3%+48.154.5%1577
73.8%
33Bouquet 1.8 64-bit 4CPU3148+11−1143.6%+40.856.7%2427
60.3%
34Rybka 4 64-bit 4CPU3146+10−1048.7%+7.051.0%3180
76.6%
35Texel 1.07 64-bit 4CPU3139+14−1449.3%+6.249.1%1632
57.2%
36Protector 1.9.0 64-bit 4CPU3137+15−1546.4%+25.053.9%1338
56.4%
37Alfil 15.7 64-bit 4CPU3135+17−1742.9%+48.756.3%1006
74.5%
38Winter 0.9 64-bit3127+17−1748.1%+9.651.1%1000
62.0%
39Orion 0.8 64-bit3123+20−2048.7%+5.255.0%718
52.6%
40iCE 4.0 64-bit 4CPU3122+27−2747.5%+12.152.7%412
51.2%
41BlackMamba 2.0 64-bit 4CPU3121+15−1544.2%+38.054.3%1408
72.8%
42Marvin 5.0.0 64-bit3113+22−2252.5%−15.255.8%618
56.4%
43Combusken 1.4.0 64-bit3110+19−1949.0%+7.454.9%773
58.8%
44Senpai 2.0 64-bit 4CPU3107+19−1950.9%−7.748.8%852
69.5%
45Strelka 5.5 64-bit3102+7−645.6%+31.848.1%9977
63.4%
46Beef 0.3.6 64-bit3097+27−2745.8%+26.050.2%402
52.5%
47Toga III 0.2 64-bit3096+23−2354.7%−29.949.8%580
56.8%
48Naum 4.6 64-bit 4CPU3094+14−1448.1%+11.354.3%1544
65.9%
49Demolito 2020-05-14 64-bit3088+19−1951.4%−10.750.8%811
82.6%
50chess22k 1.14 64-bit3077+16−1650.2%−2.153.4%1112
57.5%
51Weiss 1.3 64-bit3073+30−3055.9%−34.449.8%323
53.4%
52Koivisto 4.0 64-bit3072+20−2049.7%+1.749.9%760
50.7%
53Amoeba 3.1 64-bit 4CPU3071+34−3442.1%+48.449.6%254
55.6%
54Rodent III 0.238 64-bit 4CPU3068+20−2047.2%+15.350.0%742
57.8%
55Stash 29.0 64-bit3065+22−2249.2%+6.751.7%590
58.2%
56Topple 0.7.5 64-bit 4CPU3061+28−2852.0%−12.446.1%384
66.8%
57Seer 1.2.1 64-bit3053+22−2251.4%−12.047.9%653
52.9%
58Hiarcs 14 4CPU3052+13−1342.8%+44.051.2%1894
56.4%
59Minic 2.46 64-bit3050+22−2251.2%−8.844.9%648
95.8%
60Deep Junior 13 64-bit 4CPU3026+16−1643.5%+40.449.9%1161
52.7%
61SmarThink 1.98 64-bit3025+13−1349.6%−0.541.8%2003
51.7%
62‑63Bobcat 8.0 64-bit 4CPU3024+21−2148.3%+11.653.5%636
50.2%
62‑63Pirarucu 2.7.4 64-bit 4CPU3024+21−2053.6%−26.947.6%735
78.4%
64Spike 1.4 Leiden 4CPU3015+11−1145.2%+29.247.7%2862
59.3%
65Crafty 25.2 64-bit 4CPU3013+16−1648.5%+8.742.5%1279
64.4%
66Cheng 4.39 64-bit 4CPU3008+15−1549.4%+4.648.6%1333
68.6%
67Monolith 2 64-bit3003+16−1648.7%+6.450.4%1125
64.3%
68Hakkapeliitta TCEC v2 64-bit2999+13−1349.7%−4.542.5%1988
63.6%
69Bagatur 2.2 64-bit2995+18−1849.7%+1.848.2%957
77.5%
70FabChess 1.16 64-bit2985+19−1855.0%−36.745.1%954
55.7%
71Scorpio 2.8 64-bit 4CPU2983+25−2548.8%+6.646.3%492
54.8%
72Godel 7.0 64-bit2981+17−1748.8%+4.641.6%1130
53.9%
73Deuterium 2019.2.37.73 64-bit2980+15−1548.0%+10.948.7%1315
78.1%
74EXchess 7.97b 64-bit 4CPU2970+17−1847.4%+18.745.9%1017
52.7%
75Counter 3.7 64-bit2969+25−2550.8%−5.952.5%453
53.4%
76Spark 1.0 64-bit 4CPU2968+13−1345.0%+31.846.6%1787
51.3%
77Zappa Mexico II 64-bit 4CPU2967+10−1048.3%+9.848.1%3270
99.7%
78Gaviota 1.0 64-bit 4CPU2941+16−1647.3%+16.245.4%1256
53.8%
79‑80Deep Sjeng c't 20102940+10−1046.4%+22.945.9%3424
50.1%
79‑80Tucano 7.07 64-bit 4CPU2940+33−3351.5%−9.844.7%291
54.0%
81The Baron 3.44 64-bit 4CPU2938+28−2846.8%+20.745.3%402
57.5%
82Francesca MAD 0.30a 64-bit2934+24−2446.7%+19.046.9%507
54.6%
83Onno 1.2.70 64-bit 4CPU2932+19−1947.3%+16.848.3%810
56.1%
84Berserk 3.2.1 64-bit2930+30−3055.5%−35.546.5%344
59.6%
85Thinker 5.4d Inert 64-bit 4CPU2925+23−2346.0%+23.849.7%587
70.9%
86Dirty CUCUMBER 64-bit2917+12−1250.1%−1.244.0%2288
62.1%
87DisasterArea 1.65 64-bit 4CPU2914+21−2144.2%+35.646.1%709
55.5%
88Gogobello 2.0 64-bit 4CPU2911+25−2550.8%−6.639.1%522
55.2%
89Asymptote 0.8 64-bit2909+18−1847.4%+16.542.4%944
67.9%
90Quazar 0.4 64-bit2904+10−1048.2%+11.043.5%3200
74.9%
91‑92Atlas 3.91 64-bit2899+13−1349.8%−3.039.9%2000
49.9%
91‑92DiscoCheck 5.2 64-bit2899+17−1848.4%+8.743.4%1032
61.8%
93‑94Bright 0.4a 4CPU2895+15−1547.4%+17.041.1%1495
50.9%
93‑94Tornado 6.0 64-bit 4CPU2895+26−2645.5%+27.143.3%469
50.9%
95Glaurung 2.2 64-bit 4CPU2894+16−1647.0%+19.440.7%1259
70.8%
96Octochess r5506 64-bit 4CPU2887+21−2144.5%+35.646.7%715
56.3%
97MinkoChess 1.3 64-bit 4CPU2884+21−2146.0%+24.943.7%725
68.5%
98Invictus r305 64-bit2878+17−1749.2%+5.342.9%1086
99.7%
99Loop M1-T 64-bit 4CPU2848+12−1243.2%+43.145.2%2447
56.6%
100Nemo 1.0.1 64-bit2847+12−1248.1%+11.442.9%2368
61.7%
101Shield 2.1 64-bit 4CPU2843+24−2448.7%+9.236.0%594
51.3%
102Cheese 2.0 64-bit 4CPU2842+30−3045.8%+26.139.2%355
60.4%
103BugChess2 1.9 64-bit 4CPU2837+21−2143.4%+44.138.2%738
53.1%
104Mr Bob 0.9.0 64-bit2835+23−2351.2%−11.437.1%628
65.7%
105Zurichess Neuchatel 64-bit2830+12−1247.6%+13.943.0%2194
79.4%
106Murka 3 64-bit2823+12−1248.1%+10.943.8%2150
66.7%
107tomitankChess 4.0 64-bit2817+22−2249.6%+0.745.3%667
57.1%
108Jonny 4.00 4CPU2814+25−2543.6%+42.835.0%540
52.9%
109GNU Chess 5.60 64-bit2813+16−1648.5%+8.242.0%1247
83.0%
110OliThink 5.9.2 64-bit2798+27−2752.3%−19.334.4%456
58.6%
111GnuCheese 1.00 64-bit2794+16−1649.1%+4.740.6%1325
57.2%
112Rhetoric 1.4.3 64-bit2793+12−1248.9%+3.440.1%2331
54.7%
113RuyDos 1.1.9 64-bit2792+15−1448.4%+8.237.5%1638
72.5%
114ProDeo 3.02781+31−3148.8%+5.744.3%334
54.8%
115‑116Devel 3.8.42779+28−2751.2%−6.039.5%430
50.7%
115‑116Pawny 1.2 64-bit2779+13−1348.1%+11.039.8%1858
67.0%
117Naraku 1.42774+16−1648.4%+10.926.2%1468
55.8%
118Frenzee 3.5.19 64-bit2773+14−1448.1%+10.634.5%1759
58.1%
119Twisted Logic 20100131x 64-bit2770+16−1649.3%+2.935.1%1359
92.3%
120Bison 9.11 64-bit2756+13−1349.3%+1.735.5%2063
65.6%
121Ktulu 92752+12−1246.6%+21.839.2%2280
58.9%
122Fridolin 3.10 64-bit 4CPU2748+33−3349.5%−0.331.5%308
66.2%
123Chronos 1.9.9 32-bit2739+17−1750.3%−0.143.2%1182
57.7%
124Carballo 1.7 64-bit2737+14−1449.2%+5.540.4%1710
67.3%
125Arminius 2018-12-23 64-bit2733+12−1249.5%+2.234.2%2334
73.6%
126Nebula 2.0 64-bit 4CPU2725+20−2045.1%+35.934.1%866
66.3%
127GreKo 2018.12 64-bit2718+24−2447.9%+12.745.5%545
80.8%
128K2 0.992704+22−2245.6%+30.135.7%678
51.9%
129Chess Tiger 2007.12703+10−1046.5%+23.243.0%3322
55.4%
130Chessmaster 11 Archangel2702+19−1946.7%+21.539.3%862
60.7%
131ECE 20.1 64-bit2698+21−2149.5%+3.627.5%808
56.9%
132DanaSah 8.32695+19−1948.0%+10.638.7%948
70.8%
133Delfi 5.42689+12−1148.2%+11.539.8%2606
59.3%
134‑135Hamsters 0.7.1 4CPU2685+32−3252.4%−14.336.2%318
48.9%
134‑135Velvet 1.1.0 64-bit2685+26−2648.9%+8.931.2%526
55.7%
136RedQueen 1.1.98 64-bit 4CPU2683+27−2739.4%+80.128.5%494
50.6%
137WyldChess 1.51 64-bit2682+15−1547.6%+12.934.1%1503
57.6%
138Daydreamer 1.75 64-bit2680+16−1648.5%+10.540.0%1235
68.5%
139Pharaon 3.5.1 4CPU2673+26−2643.6%+41.329.7%518
59.2%
140Shallow 2020-09-09 64-bit2668+24−2453.1%−18.438.1%588
54.5%
141Djinn 1.021 64-bit2667+13−1348.1%+11.436.6%1993
50.9%
142‑143Jellyfish 1.1 64-bit 4CPU2666+29−2953.3%−24.532.3%403
50.7%
142‑143Movei 00.8.438 (10 10 10)2666+11−1147.5%+14.736.9%2873
75.3%
144Alaric 7072661+11−1149.2%+3.934.2%2711
62.0%
145Floyd 0.9 64-bit2658+14−1449.2%+5.329.1%1726
64.6%
146Drosophila 1.6 64-bit2653+21−2148.0%+15.435.6%772
54.2%
147‑148Ghost 3.1 64-bit 4CPU2651+30−2953.9%−25.628.5%393
50.9%
147‑148Philou 3.7.1 64-bit2651+13−1348.3%+10.036.9%1942
54.7%
149‑150E.T. Chess 13.01.082650+13−1349.2%+4.936.3%1938
49.0%
149‑150Rotor 0.7a2650+20−2050.4%−4.735.3%798
55.3%
151‑152Cyrano 0.6b17 32-bit2648+14−1448.6%+8.340.3%1661
49.5%
151‑152Supernova 2.3 64-bit2648+26−2648.5%+10.733.5%478
60.0%
153Gandalf 7 64-bit2644+18−1848.4%+8.932.5%1094
53.8%
154Colossus 2008b2643+12−1249.0%+5.038.6%2196
73.5%
155‑156Drofa 2.2.0 64-bit2632+32−3243.5%+42.737.3%322
50.9%
155‑156Sjakk 2.2 64-bit2632+15−1549.1%+4.638.6%1431
61.5%
157WildCat 82629+13−1348.6%+8.334.2%2015
52.0%
158‑159Nawito 19062628+20−2049.9%+2.035.5%875
51.6%
158‑159Rodin 8.02628+15−1549.1%+3.838.3%1481
57.9%
160‑161Delocto 0.61n 64-bit2625+23−2250.4%−3.740.7%626
49.6%
160‑161KnightX 2.61 64-bit2625+32−3245.8%+26.934.9%324
54.8%
162‑163NoraGrace 2.0 64-bit2623+15−1550.3%−4.327.9%1545
48.2%
162‑163Ruffian 2.1.02623+13−1348.7%+8.437.6%2061
60.7%
164Caligula 0.9g2620+20−2053.4%−26.330.0%858
54.9%
165Phalanx XXV2619+15−1549.6%+1.932.3%1501
72.1%
166Sloppy 0.2.2 64-bit2612+16−1648.6%+6.732.8%1324
65.8%
167‑168Betsabe II 20202606+26−2649.7%+0.132.3%504
49.1%
167‑168Donna 4.0 64-bit2606+15−1550.2%−2.336.4%1436
52.4%
169Lozza 2.0 64-bit2605+27−2743.7%+42.434.2%444
68.6%
170Glass 2.0 64-bit2597+13−1448.5%+11.132.9%1933
55.2%
171Aristarch 4.502596+12−1248.5%+11.732.0%2606
56.5%
172‑173Muse 0.953 64-bit2595+16−1648.6%+7.034.7%1324
48.6%
172‑173N2 0.4 64-bit2595+15−1649.8%+0.635.9%1390
58.2%
174Petir 4.392592+19−1948.7%+6.237.6%918
54.5%
175Pseudo 0.7c2591+13−1349.8%+1.337.6%2008
54.8%
176‑178Amyan 1.722590+12−1250.0%+0.131.7%2401
50.9%
176‑178Brutus 8.05 64-bit2590+20−2049.0%+5.234.8%801
49.4%
176‑178Galjoen 0.40 64-bit2590+20−2050.8%−7.933.0%874
60.9%
179CuckooChess 1.12 32-bit2586+25−2548.1%+13.129.7%553
52.3%
180‑181Coiled 0.6 64-bit2585+12−1250.3%−2.034.2%2457
47.4%
180‑181GarboChess 3.0 64-bit2585+16−1649.5%+3.032.2%1364
62.5%
182Dimitri 4.992581+20−2050.9%−6.130.0%882
82.2%
183Capivara LK 0.09b02f 64-bit2569+16−1749.8%+0.833.2%1240
69.0%
184SOS 5.12564+13−1348.2%+11.034.5%2110
64.0%
185Jumbo 0.6.107 64-bit2560+18−1851.3%−10.028.1%1046
57.1%
186‑187Dorky 4.8 64-bit2558+14−1450.1%+0.031.3%1809
47.6%
186‑187JikChess 0.02 64-bit2558+16−1649.5%+2.128.1%1477
55.7%
188Detroid 1.0.1 64-bit2557+18−1851.2%−11.629.8%1093
53.2%
189Anaconda 2.0.12555+27−2747.9%+12.235.2%458
52.5%
190‑191Delphil 3.2 64-bit 4CPU2554+31−3138.2%+85.530.5%374
50.4%
190‑191Jazz 840 64-bit 4CPU2554+20−2057.8%−64.225.3%1000
54.9%
192Raven 1.0 64-bit2552+23−2351.3%−10.334.0%636
67.7%
193nanoSzachy 4.0 64-bit2545+18−1749.5%+3.131.5%1127
56.3%
194Ufim 8.022543+12−1249.6%+1.431.0%2576
63.0%
195FrankWalter 2.4.0 64-bit2540+16−1649.8%+0.630.1%1328
54.8%
196AnMon 5.752539+15−1549.0%+6.730.7%1534
58.0%
197Maverick 1.5 64-bit2536+14−1450.4%−4.229.8%1919
66.2%
198Nemeton 1.8 4CPU2530+27−2749.9%+1.627.2%496
51.3%
199‑200Axolotl 1.9 64-bit2529+19−1949.9%−1.431.7%979
51.6%
199‑200Hermann 2.8 64-bit2529+16−1648.8%+8.726.3%1342
89.8%
201CyberPagno 3.0 64-bit2515+14−1449.6%−0.531.0%1867
53.9%
202Nimzo 82513+28−2845.5%+33.632.2%453
63.8%
203Little Goliath Evolution 3.122507+18−1846.3%+25.333.6%1025
66.6%
204Tao 5.62502+16−1648.5%+11.327.4%1445
58.5%
205Pupsi2 0.092500+16−1649.0%+6.129.3%1286
58.1%
206LittleThought 1.052 64-bit2497+16−1647.9%+14.025.9%1420
57.4%
207Pepito 1.59.2 64-bit2495+17−1748.3%+11.634.5%1203
55.9%
208MadChess 2.2 64-bit2493+14−1548.5%+11.231.7%1650
60.9%
209Green Light Chess 3.01.2.22489+24−2448.1%+12.431.0%596
55.1%
210Yace 0.99.872488+17−1748.5%+11.328.6%1291
57.1%
211Trace 1.362485+20−2049.4%+3.826.9%903
54.9%
212‑213Myrddin 0.87 64-bit 4CPU2483+35−3538.9%+80.728.4%296
49.1%
212‑213Xpdnt 0910072483+15−1548.3%+10.831.3%1588
58.0%
214Cerebro 3.03d2481+17−1749.0%+5.429.1%1241
56.2%
215‑216Bruja 1.9.1 64-bit2479+18−1848.8%+8.626.3%1163
49.6%
215‑216Matacz 1.42479+16−1649.5%+2.832.8%1294
51.8%
217‑218Waxman 20202478+31−3154.7%−29.626.6%372
50.2%
217‑218pikoSzachy 4.12478+29−2952.3%−15.830.8%412
53.9%
219SpiderChess 0706032476+20−2048.3%+13.838.9%809
53.3%
220Anatoli 0.35k2475+16−1649.0%+5.931.6%1382
54.3%
221BBChess 1.3b2474+23−2349.2%+5.537.9%589
62.0%
222Quark 2.352469+18−1848.4%+10.828.6%1147
61.3%
223Bumblebee 1.0 64-bit2465+21−2147.9%+11.933.3%790
58.1%
224Giraffe 20150908 64-bit2462+18−1848.9%+7.924.1%1064
91.1%
225Abrok 5.02445+18−1848.3%+10.129.5%1129
52.0%
226‑228Hussar 0.42444+16−1748.3%+12.030.2%1267
50.0%
226‑228Mephisto Gideon Professional2444+23−2347.7%+16.832.8%635
49.8%
226‑228Typhoon 1.00-3482444+30−3048.5%+11.927.2%401
56.3%
229Eeyore 1.52 64-bit2442+17−1748.0%+12.328.0%1225
51.2%
230Bearded N44.5 64-bit2441+20−2048.8%+7.230.1%893
54.1%
231Teki 2 64-bit2440+16−1649.2%+5.122.9%1443
54.0%
232Tunguska 1.1 64-bit2439+18−1850.0%−1.829.9%1072
52.8%
233‑234King of Kings 2.562438+21−2150.0%−1.324.6%846
47.5%
233‑234Taltos rev118 64-bit2438+18−1851.1%−7.926.3%1092
52.8%
235Snitch 1.6.2 32-bit2437+22−2248.4%+9.028.0%706
58.2%
236TJchess 1.3 64-bit2434+17−1748.6%+10.329.7%1184
62.6%
237Homer 2.012430+20−2149.1%+5.732.6%803
68.5%
238NoC 4.20 64-bit2423+22−2249.0%+5.922.0%732
52.2%
239Bitfoot 1.0.d9aeb43 64-bit2422+25−2549.0%+7.626.0%573
51.8%
240‑241Ares 1.005.2.1 64-bit2421+21−2151.0%−7.337.1%765
48.2%
240‑241Cmcchess 2.6 64-bit2421+17−1748.4%+11.136.3%1145
53.0%
242Kiwi 0.6d 32-bit2420+19−1948.2%+10.627.0%991
57.3%
243PostModernist 10162418+18−1848.0%+11.429.8%1100
53.0%
244Gaia 3.5 64-bit2417+21−2149.3%+3.824.8%859
56.4%
245‑246Hedgehog 2.0 64-bit2414+29−2951.6%−14.130.3%400
49.0%
245‑246RomiChess P3n 64-bit2414+13−1348.6%+10.734.1%1979
54.8%
247Ifrit m1.8 64-bit2413+17−1848.8%+9.928.6%1151
60.2%
248‑250Diablo 0.5.12410+18−1848.2%+11.732.1%1098
49.3%
248‑250Jonesy 1.0 64-bit2410+21−2149.2%+4.030.1%820
49.4%
248‑250Queen 4.032410+18−1848.4%+9.034.5%1090
64.9%
251Dragon 4.62405+17−1747.7%+16.032.5%1155
56.5%
252‑253Amy 0.87b2403+24−2449.4%+6.925.7%610
50.6%
252‑253Gosu 0.162403+18−1850.1%−2.327.6%1107
54.4%
254‑255Simplex 0.9.8 64-bit2401+17−1747.8%+15.824.7%1318
52.4%
254‑255Tigran 2.4n 64-bit2401+17−1749.1%+5.129.5%1273
57.3%
256KnightDreamer 3.32398+26−2649.0%+11.030.8%509
51.6%
257Patzer 3.802397+19−1948.1%+14.924.9%1019
51.6%
258Popochin 4.1 64-bit2396+16−1650.6%−3.029.4%1352
54.1%
259Amateur 2.822395+19−1949.2%+4.324.6%983
54.8%
260Alex 2.14a 64-bit2394+18−1849.2%+4.729.9%1051
52.7%
261CT800 1.40 64-bit2392+28−2847.9%+14.828.0%446
53.2%
262Zevra 2.1.2 r248 64-bit2391+19−1950.1%−0.426.8%945
57.9%
263Sorgenkind 0.42389+14−1450.9%−5.627.7%1724
55.3%
264Sage 3.532387+18−1849.9%+0.927.3%1134
52.8%
265‑266Googleplex Starthinker 1.6 64-bit2386+18−1848.9%+7.327.8%1095
51.4%
265‑266Horizon 4.42386+17−1749.0%+6.925.5%1294
54.3%
267‑268Comet B682384+18−1948.3%+12.625.9%1057
50.8%
267‑268Tytan 9.32384+22−2251.4%−10.825.5%737
52.3%
269Thor's Hammer 2.28 32-bit2383+22−2249.0%+7.128.8%730
59.7%
270Isa 2.0.83 64-bit2379+23−2351.6%−13.325.8%659
85.5%
271Plisk 0.2.7d 64-bit2363+19−1949.0%+6.727.2%1017
64.1%
272Flux 2.2.12358+21−2151.2%−9.530.1%823
52.9%
273Barbarossa 0.6.0 64-bit2357+25−2549.8%+1.126.7%581
60.4%
274Ceibo 0.5 64-bit2352+25−2544.6%+38.223.8%602
74.5%
275Arion 1.72342+18−1848.8%+7.426.8%1081
61.7%
276‑277Aice 0.99.22338+17−1749.4%+3.227.3%1201
48.6%
276‑277Napoleon 1.8 64-bit2338+17−1751.0%−7.430.6%1242
54.6%
278Gibbon 2.60a 64-bit2337+20−2048.4%+9.331.0%833
51.2%
279FoxSEE 5.3 64-bit2336+30−3056.4%−45.426.9%405
52.4%
280‑281Butcher 1.61 64-bit2335+30−3048.7%+10.625.2%393
49.0%
280‑281EveAnn 1.712335+28−2848.4%+12.833.4%416
57.9%
282Asterisk 0.62332+18−1847.8%+15.727.0%1161
60.9%
283‑284Amundsen 0.802329+17−1749.1%+6.629.2%1269
48.7%
283‑284FireFly 2.7.2 64-bit2329+16−1647.2%+18.530.0%1406
58.0%
285Zeus 1.272326+25−2549.3%−0.426.4%590
55.0%
286Der Bringer 1.92324+23−2350.0%−0.819.0%746
51.6%
287Chezzz 1.0.32323+19−1950.1%−1.725.2%1040
54.0%
288WChess 1.062322+15−1550.2%−5.929.2%1711
68.1%
289Kingfisher 1.1.1 64-bit2315+27−2750.7%−1.741.6%442
50.6%
290Averno 0.812314+18−1848.3%+13.828.5%1063
57.2%
291Mediocre 0.42311+27−2747.9%+14.923.4%495
71.3%
292‑295Anechka 0.082302+19−1848.8%+10.726.8%1053
49.8%
292‑295Ant 2006-F2302+19−1948.6%+9.324.0%1003
50.4%
292‑295Joker 1.1.142302+19−1949.3%+4.127.2%1020
48.5%
292‑295Rival 1.0.1 64-bit2302+24−2450.1%−2.027.8%663
55.2%
296Fischerle 0.9.80 SE 64-bit2300+20−2047.8%+15.325.7%917
54.4%
297Natwarlal 0.142299+19−1948.5%+11.225.0%1045
57.1%
298‑299Absolute Zero 2.4.7.2 64-bit2297+15−1550.9%−8.822.6%1739
50.0%
298‑299Sungorus 1.4 64-bit2297+18−1847.1%+21.422.3%1197
60.7%
300Dumb 1.3 64-bit2293+21−2150.9%−6.324.1%772
59.0%
301‑302Chaturanga 2.4.32290+19−1949.4%+1.526.5%1027
49.2%
301‑302Matilde 2008 64-bit2290+21−2148.8%+7.929.0%778
69.0%
303AliChess 4.252283+19−1948.4%+9.824.4%1006
73.7%
304Chispa 4.0.32274+17−1749.5%+5.527.1%1180
65.6%
305‑306Ayito 0.2.9942269+20−2049.2%+4.422.5%952
49.2%
305‑306CeeChess 1.3.2 64-bit2269+24−2545.7%+33.724.5%601
78.2%
307Protej 0.5.8c2257+19−1948.5%+10.822.3%1017
58.7%
308Esc 1.162254+22−2247.4%+17.626.2%749
50.8%
309RattateChess 1.0 Nosferatu2253+18−1949.9%+1.227.8%1036
53.8%
310Exacto 0.e 64-bit2252+18−1848.9%+7.832.6%1063
57.3%
311Beowulf 2.4a 64-bit2250+18−1849.6%+0.726.4%1075
61.7%
312Mango Paola Ajedrez 4.12246+19−1948.2%+13.226.4%1017
61.2%
313Weini 0.0.23 64-bit2242+19−1948.7%+9.817.3%1115
58.3%
314Feuerstein 0.4.6.12239+19−1949.1%+5.828.5%944
53.0%
315Atak 6.82238+16−1650.8%−5.722.9%1450
59.2%
316Buzz 0.08 64-bit2235+20−2048.4%+12.123.5%910
57.1%
317RamJet 0.132232+19−1951.7%−12.326.3%1001
54.2%
318‑319Dolphin 1.0 64-bit2231+18−1849.0%+5.324.5%1075
50.3%
318‑319KMTChess 1.2.1 64-bit2231+25−2549.0%+5.424.7%592
50.9%
320SpaceDog 0.97.7 64-bit2230+22−2245.9%+29.724.3%734
70.0%
321Tiny Chess 1.46 64-bit2223+18−1948.4%+9.728.0%1038
55.7%
322Robocide 20170718 64-bit2221+17−1748.4%+11.724.7%1244
56.6%
323Uralochka 1.1b2219+18−1848.9%+8.126.0%1090
60.5%
324‑325Joker2 0.7.7 64-bit2215+20−2047.6%+16.832.6%880
50.6%
324‑325OBender 03.2016 64-bit2215+18−1850.1%−2.524.1%1110
51.2%
326‑328ChessKISS 1.7c 64-bit2214+19−1948.3%+12.427.4%1023
50.8%
326‑328Madeleine 0.22214+22−2246.1%+27.323.3%737
49.3%
326‑328Neurosis 2.32214+24−2449.1%+3.626.5%603
58.3%
329‑330Adam 3.32211+19−1949.4%+3.822.5%1019
50.3%
329‑330ZCT 0.3.24512211+27−2749.4%+4.025.5%478
60.5%
331Latista (Sinobyl) 1.52206+22−2248.6%+8.324.4%729
52.7%
332Baislicka 1.0 64-bit2205+19−1947.3%+19.925.5%962
57.6%
333‑334BlackBishop 1.02203+19−1848.8%+9.027.1%1039
47.7%
333‑334ChessAlex 2.0r42203+20−2046.9%+21.127.3%872
59.9%
335‑336Dorpsgek Eve's Temptation 64-bit2200+14−1448.8%+9.024.0%1953
49.5%
335‑336MORA 1.0.02200+26−2651.6%−10.328.1%506
52.2%
337Achillees 1.0 64-bit2199+27−2742.9%+57.220.0%526
57.5%
338Alf 1.092196+23−2349.4%+0.731.1%634
56.8%
339Alarm 0.93.12193+21−2145.1%+43.619.0%880
53.0%
340Embla 2.0.7 64-bit2192+30−3048.6%+9.927.0%396
50.5%
341NG-Play 9.85 64-bit2191+29−2946.1%+28.427.3%410
53.4%
342GopherCheck 0.2.3 64-bit2190+18−1949.0%+6.931.4%1011
59.4%
343NagaSkaki 5.122187+17−1751.2%−8.726.5%1265
64.3%
344Lime 662183+17−1751.7%−17.520.3%1395
55.7%
345Terra 3.42180+24−2449.0%+13.417.3%718
56.3%
346Soldat III 0.187 64-bit2178+21−2148.0%+14.726.3%813
50.8%
347Prophet 2.0 64-bit2177+27−2749.3%+4.924.6%484
59.4%
348Clever Girl r160 64-bit2173+21−2147.5%+14.924.3%860
68.1%
349Kurt 0.9.2.2 64-bit2166+21−2147.7%+18.024.2%828
57.1%
350ProChess 1.02AD2164+19−1948.4%+6.222.1%1043
51.6%
351Chesley r323 64-bit2163+22−2248.1%+14.420.8%804
51.1%
352Micah 1.0 64-bit2162+25−2544.0%+45.825.4%566
73.3%
353KnockOut 0.7.12153+15−1551.1%−8.026.6%1574
81.3%
354Blitzkrieg rev337 64-bit2142+19−1946.9%+22.526.4%1013
63.1%
355Parrot 07.01.162136+31−3146.6%+25.321.1%394
76.5%
356BikJump 2.01 64-bit2122+19−1948.6%+10.824.3%983
65.1%
357Clarabit 1.00 32-bit2116+22−2247.6%+14.529.9%736
62.5%
358Cinnamon 2.2a 64-bit2111+20−2048.7%+10.225.3%912
61.0%
359King's Out 0.2.42 64-bit2107+22−2248.8%+10.216.6%800
60.7%
360Armageddon 2.3082103+25−2456.6%−55.420.2%678
70.7%
361Bodo 0.2b2093+22−2247.8%+16.520.9%786
66.8%
362Gunborg 1.35 64-bit2087+21−2152.2%−7.527.9%806
51.3%
363Freyr 1.068 64-bit2086+21−2158.3%−63.420.6%859
64.9%
364‑365Small Potato 0.7.0 64-bit2080+21−2153.6%−29.121.3%873
51.3%
364‑365Smash 1.0.3a 64-bit2080+22−2247.9%+17.123.0%768
52.0%
366AdroitChess 0.42079+22−2256.0%−56.115.3%858
52.6%
367Jabba 1.0 64-bit2078+22−2244.9%+38.621.8%751
51.6%
368BigLion 2.23w2077+21−2146.2%+25.323.3%840
56.2%
369Little Wing 0.6.0 64-bit2074+33−3338.8%+87.017.4%356
63.4%
370Matant 5.042067+22−2260.5%−83.822.9%827
72.2%
371Vice 1.0 64-bit2057+25−2549.7%+3.320.7%608
53.3%
372Zeta Dva 0301 64-bit2056+28−2849.0%+9.029.4%446
62.3%
373‑374Ecce 1.0 (rev. 508) 64-bit2050+21−2147.1%+23.418.4%901
49.7%
373‑374Goldfish 1.13.0 64-bit2050+20−2049.9%+2.427.0%870
55.4%
375PLP 16615712048+22−2246.2%+27.424.2%768
55.4%
376Squared-chess 1.3.0 64-bit2046+23−2352.4%−18.321.9%736
53.7%
377Monarch 1.72045+17−1748.2%+18.019.0%1363
50.5%
378Mustang 4.972044+26−2644.7%+36.630.8%533
54.4%
379Matheus 2.32042+23−2345.0%+44.622.8%705
71.8%
380Abbess 2018.02.072033+22−2146.7%+26.119.4%840
53.3%
381ChessMind 0.822032+23−2346.0%+30.119.2%744
55.0%
382Schola 1.1.0 64-bit2030+22−2249.4%+3.823.1%780
53.5%
383‑384Bestia 0.902028+28−2851.4%−6.824.3%469
51.1%
383‑384Faile 1.4.42028+23−2355.2%−28.622.1%774
51.5%
385Arabian Knight 1.55 64-bit2027+25−2546.5%+27.919.4%608
52.6%
386‑387Slibo 0.5.12026+26−2645.5%+33.419.4%573
49.5%
386‑387Wuttang r2 64-bit2026+18−1848.2%+10.522.6%1204
51.8%
388Cupcake 1.1a 64-bit2025+22−2250.5%−2.916.4%804
81.7%
389Bubble 1.52012+19−1943.6%+53.320.5%1101
76.7%
390La Dame Blanche 2.0c2003+15−1550.1%−1.018.7%1766
56.0%
391BibiChess 0.52001+24−2445.7%+31.326.5%607
50.5%
392Oberon 0.042000+24−2451.9%−14.619.4%648
55.4%
393Snowy 0.2 64-bit1998+26−2651.5%−12.219.0%554
54.2%
394BSC 3.91995+37−3745.1%+38.524.0%263
58.6%
395ALChess 1.841991+23−2352.8%−22.726.8%672
69.1%
396Heracles 0.6.161983+19−1947.8%+15.926.8%1034
86.5%
397Dabbaba 5.671965+25−2545.5%+33.326.4%557
52.8%
398BeLL 0.0.41 64-bit1964+22−2250.1%−1.124.5%722
64.5%
399Sissa 2.01958+23−2353.1%−22.930.1%678
55.4%
400Monik 2.2.3 32-bit1955+30−3044.4%+39.427.1%395
53.7%
401Wowl 1.3.81953+26−2745.4%+35.513.3%573
60.0%
402Etude 0.1.21949+22−2250.3%−2.724.5%772
56.2%
403Franky 1.0 64-bit1946+25−2548.8%+8.013.3%640
57.9%
404Micro-Max 4.8 (DM-PII)1943+20−2048.3%+12.526.1%865
60.0%
405MatMoi 7.15.0-cct 32-bit1939+25−2642.7%+54.924.5%568
61.0%
406Eia 0.31934+20−2047.1%+22.524.4%914
83.6%
407Presbyter 1.3.0 64-bit1918+25−2542.2%+55.416.5%638
62.5%
408Clueless 1.41913+18−1843.0%+55.815.3%1232
62.5%
409Reger 0.091908+20−2040.7%+71.222.3%924
56.3%
410Warrior 1.0.31906+19−1944.5%+41.022.5%1072
61.6%
411ChessterfieldCL i5a1902+24−2540.6%+73.120.4%657
56.0%
412Deepov 0.4.1 64-bit1899+24−2444.1%+46.117.3%677
61.2%
413Surprise 4.3b131894+22−2339.5%+82.019.4%768
54.0%
414Sapeli 1.02 64-bit1893+21−2247.9%+14.620.4%796
70.0%
415MOBMAT 0.903d 64-bit1884+25−2637.5%+109.916.0%668
56.8%
416GChess IV 0.2.01881+21−2141.2%+64.928.8%855
58.0%
417CDrill 1800 build 41878+23−2441.4%+72.815.5%741
77.5%
418Predateur 2.2 64-bit1859+41−4239.6%+79.718.1%216
76.6%
419Skiull 0.3 64-bit1841+23−2445.2%+35.524.8%660
54.0%
420BeRoChess 1.00 32-bit1839+37−3837.4%+98.122.9%266
50.6%
421Sayuri 2018.03.06 64-bit1838+26−2642.8%+57.116.0%600
52.4%
422Roce 0.03901837+27−2743.4%+49.920.4%539
51.2%
423Pigeon 1.5.1 64-bit1836+27−2740.5%+70.426.1%502
58.6%
424‑425Ajedrez Tactico 2.73b1832+26−2642.4%+62.218.6%598
51.2%
424‑425JSBam 0.521832+30−2881.9%−269.015.7%626
59.3%
426Apollo 1.2.1 64-bit1827+22−2254.3%−34.019.0%832
73.3%
427Chenard 2018.03.06 64-bit1818+19−1949.3%+5.417.0%1143
58.9%
428RataAeroespacial 0.2.11815+13−1342.5%+64.512.9%2478
58.8%
429Ranita 2.41812+26−2648.7%+5.016.2%653
78.8%
430Lodocase 2402081797+27−2753.8%−26.015.6%546
63.7%
431Robin 0.9831790+28−2851.0%−9.413.3%566
51.6%
432Ziggurat 0.18 64-bit1789+42−4329.3%+160.824.3%222
53.6%
433Mint 2.31786+27−2757.7%−63.220.1%556
51.8%
434Grizzly 1.40.1b1785+27−2756.0%−49.010.3%592
92.5%
435Pulsar 2009-9b1759+24−2449.9%−5.522.6%694
60.0%
436Zoidberg 0.11755+26−2654.9%−43.117.9%592
89.3%
437Enigma 1.1.41736+15−1541.8%+67.517.1%1840
64.5%
438Kanguruh 1.931731+23−2352.4%−17.219.4%754
88.0%
439Shallow Blue 2.0.0 64-bit1712+22−2252.1%−20.218.6%776
83.6%
440Tom Thumb 0.2 64-bit1697+19−1951.8%−14.122.7%1020
54.9%
441Laurifer 1.01696+23−2352.3%−21.117.0%777
54.4%
442EnkoChess 2908181694+23−2350.3%−1.518.5%731
53.9%
443TSCP 1.811692+19−2047.4%+21.817.0%1072
70.2%
444AdaChess 3.4 64-bit1684+23−2349.3%+7.321.5%708
69.9%
445Spartan 1.01674+25−2563.5%−102.821.2%624
67.4%
446Philemon C1667+25−2562.3%−95.322.0%626
59.4%
447VanillaChess 2.6g1663+25−2561.5%−89.720.2%624
99.1%
448SdBC 0.5.15.11622+24−2456.6%−47.927.2%624
59.0%
449Rainman 0.7.51618+24−2456.0%−44.225.2%624
57.4%
450Pulse 1.6.1 64-bit1615+21−2142.4%+66.114.3%928
83.0%
451Monochrome1602+17−1749.3%+9.528.8%1300
62.8%
452Bullitchess 1.0 64-bit1597+25−2452.2%−19.619.1%628
69.8%
453Needle 0.5311589+16−1648.8%+18.827.2%1418
75.4%
454Casper rev4 64-bit1579+24−2450.2%−2.623.9%624
60.5%
455PolarChess 1.31574+25−2549.3%+3.416.9%629
56.3%
456‑457Darky 0.5d1571+24−2443.5%+56.220.8%677
49.7%
456‑457Storm 0.61571+21−2138.3%+95.215.0%925
74.3%
458Damas 91560+25−2547.8%+17.117.6%626
76.1%
459IQ23.0031547+21−2133.6%+118.632.6%854
72.6%
460Cicada 0.1 64-bit1536+24−2544.1%+48.519.7%636
65.6%
461MSCP 1.6h1529+25−2544.0%+50.915.1%628
99.8%
462Apep 1.011479+25−2541.2%+72.210.1%683
79.1%
463Saruman 2017.08.10 64-bit1466+18−1830.7%+151.927.2%1249
95.8%
464Pooky 2.71439+26−2631.5%+144.817.1%626
75.7%
465Dreamer 0.3.0 64-bit1426+25−2633.9%+121.816.9%640
96.5%
466Hokus-Pokus 0.6.31390+27−2826.7%+196.711.0%628
72.5%
467BACE 0.461378+23−2421.5%+257.29.8%1027
 

Results matrix

All engines (top 12, best versions only)
#NameElo1
Stock
2
Fat F
3
Drago
4
Igel
5
Houdi
6
SlowC
7
Ether
8
Fire
9
Nemor
10
RubiC
11
Lc0 0
12
Booot
1Stockfish 2021-01-11 64-bit 4CPU3551 16 − 16
+2−2=28
−26		30.5 − 19.5
+11−0=39
+3		24.5 − 9.5
+15−0=19
−22		40.5 − 9.5
+31−0=19
+53		23 − 9
+14−0=18
−25		39 − 11
+28−0=22
+20		42.5 − 11.5
+31−0=23
+20		36.5 − 13.5
+23−0=27
−30		   
2Fat Fritz 2 (in SF) 64-bit 4CPU352516 − 16
+2−2=28
+26		 19.5 − 14.5
+6−1=27
+9		24.5 − 9.5
+15−0=19
+3		23 − 11
+13−1=20
−24		22 − 10
+13−1=18
−21		25.5 − 8.5
+17−0=17
+20		41.5 − 12.5
+29−0=25
+29		22 − 10
+12−0=20
−34		26.5 − 5.5
+21−0=11
+60		28.5 − 11.5
+17−0=23
−66		22 − 4
+18−0=8
+53
3Dragon by Komodo 64-bit 4CPU349719.5 − 30.5
+0−11=39
−3		14.5 − 19.5
+1−6=27
−9		 21.5 − 12.5
+9−0=25
−28		25 − 9
+16−0=18
+41		22.5 − 11.5
+11−0=23
−11		45.5 − 30.5
+18−3=55
−51		35.5 − 18.5
+17−0=37
−25		22.5 − 9.5
+13−0=19
+5		37.5 − 12.5
+25−0=25
+13		30.5 − 9.5
+21−0=19
0		35.5 − 10.5
+25−0=21
+4
4Igel 3.0.0 64-bit 4CPU34009.5 − 24.5
+0−15=19
+22		9.5 − 24.5
+0−15=19
−3		12.5 − 21.5
+0−9=25
+28		 19 − 13
+8−2=22
+50		16 − 18
+2−4=28
−17		14.5 − 17.5
+1−4=27
−30		14 − 16
+4−6=20
−29		15 − 15
+5−5=20
−16		17 − 15
+3−1=28
−28		18.5 − 11.5
+8−1=21
−2		29.5 − 16.5
+15−2=29
+8
5Houdini 6 64-bit 4CPU33989.5 − 40.5
+0−31=19
−53		11 − 23
+1−13=20
+24		9 − 25
+0−16=18
−41		13 − 19
+2−8=22
−50		 17.5 − 14.5
+5−2=25
+21		15.5 − 14.5
+4−3=23
+2		27.5 − 26.5
+6−5=43
−6		20.5 − 15.5
+7−2=27
+21		17.5 − 14.5
+5−2=25
−16		26.5 − 11.5
+18−3=17
+59		16.5 − 9.5
+9−2=15
+12
6SlowChess Blitz 2.5 64-bit 4CPU33969 − 23
+0−14=18
+25		10 − 22
+1−13=18
+21		11.5 − 22.5
+0−11=23
+11		18 − 16
+4−2=28
+17		14.5 − 17.5
+2−5=25
−21		 17 − 15
+7−5=20
+12		27 − 27
+8−8=38
−8		18 − 14
+5−1=26
+19		20 − 12
+9−1=22
+29		24 − 14
+11−1=26
+8		13.5 − 12.5
+5−4=17
−52
7Ethereal 12.75 64-bit 4CPU339211 − 39
+0−28=22
−20		8.5 − 25.5
+0−17=17
−20		30.5 − 45.5
+3−18=55
+51		17.5 − 14.5
+4−1=27
+30		14.5 − 15.5
+3−4=23
−2		15 − 17
+5−7=20
−12		 26.5 − 27.5
+7−8=39
−10		17 − 15
+5−3=24
+6		19 − 13
+7−1=24
+14		21 − 17
+7−3=28
−29		15.5 − 10.5
+6−1=19
−9
8Fire 8 64-bit 4CPU338711.5 − 42.5
+0−31=23
−20		12.5 − 41.5
+0−29=25
−29		18.5 − 35.5
+0−17=37
+25		16 − 14
+6−4=20
+29		26.5 − 27.5
+5−6=43
+6		27 − 27
+8−8=38
+8		27.5 − 26.5
+8−7=39
+10		 24.5 − 27.5
+6−9=37
−18		23 − 27
+4−8=38
−50		21.5 − 14.5
+9−2=25
+1		30 − 16
+14−0=32
+26
9Nemorino 6.00 64-bit 4CPU338413.5 − 36.5
+0−23=27
+30		10 − 22
+0−12=20
+34		9.5 − 22.5
+0−13=19
−5		15 − 15
+5−5=20
+16		15.5 − 20.5
+2−7=27
−21		14 − 18
+1−5=26
−19		15 − 17
+3−5=24
−6		27.5 − 24.5
+9−6=37
+18		 15 − 17
+2−4=26
−42		32.5 − 19.5
+20−7=25
+26		 
10RubiChess 2.0 64-bit 4CPU3357 5.5 − 26.5
+0−21=11
−60		12.5 − 37.5
+0−25=25
−13		15 − 17
+1−3=28
+28		14.5 − 17.5
+2−5=25
+16		12 − 20
+1−9=22
−29		13 − 19
+1−7=24
−14		27 − 23
+8−4=38
+50		17 − 15
+4−2=26
+42		 19.5 − 14.5
+8−3=23
+16		12.5 − 13.5
+3−4=19
−35
11Lc0 0.27.0 w703810 64-bit 4CPU3335 11.5 − 28.5
+0−17=23
+66		9.5 − 30.5
+0−21=19
0		11.5 − 18.5
+1−8=21
+2		11.5 − 26.5
+3−18=17
−59		14 − 24
+1−11=26
−8		17 − 21
+3−7=28
+29		14.5 − 21.5
+2−9=25
−1		19.5 − 32.5
+7−20=25
−26		14.5 − 19.5
+3−8=23
−16		 49 − 43
+22−16=54
+13
12Booot 6.5 64-bit 4CPU3331 4 − 22
+0−18=8
−53		10.5 − 35.5
+0−25=21
−4		16.5 − 29.5
+2−15=29
−8		9.5 − 16.5
+2−9=15
−12		12.5 − 13.5
+4−5=17
+52		10.5 − 15.5
+1−6=19
+9		16 − 30
+0−14=32
−26		 13.5 − 12.5
+4−3=19
+35		43 − 49
+16−22=54
−13		 
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
Sto
2
Fat
3
Dra
4
Ige
5
Hou
6
Slo
7
Eth
8
Fir
9
Nem
10
Rub
11
Lc0
12
Boo
1Stockfish 2021-01-11 64-bit 4CPU3551 97.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Fat Fritz 2 (in SF) 64-bit 4CPU35253.0 98.8100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Dragon by Komodo 64-bit 4CPU34970.01.2 100.0100.0100.0100.0100.0100.0100.0100.0100.0
4Igel 3.0.0 64-bit 4CPU34000.00.00.0 57.260.672.981.187.599.8100.0100.0
5Houdini 6 64-bit 4CPU33980.00.00.042.8 55.874.183.892.0100.0100.0100.0
6SlowChess Blitz 2.5 64-bit 4CPU33960.00.00.039.444.2 64.775.884.399.8100.0100.0
7Ethereal 12.75 64-bit 4CPU33920.00.00.027.125.935.3 64.275.999.7100.0100.0
8Fire 8 64-bit 4CPU33870.00.00.018.916.224.235.8 62.499.1100.0100.0
9Nemorino 6.00 64-bit 4CPU33840.00.00.012.58.015.724.137.6 98.1100.0100.0
10RubiChess 2.0 64-bit 4CPU33570.00.00.00.20.00.20.30.91.9 94.695.2
11Lc0 0.27.0 w703810 64-bit 4CPU33350.00.00.00.00.00.00.00.00.05.4 61.5
12Booot 6.5 64-bit 4CPU33310.00.00.00.00.00.00.00.00.04.838.5 
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

1'237'253 games (232.19 MB)

All games with comments

1'237'253 games (721.00 MB)

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

Various statistics

Created in 2005-2013 by CCRL team
Last games added on April 18, 2021