CCRL 40/15
Downloads and Statistics
May 8, 2021
Testing summary:
Total: 1'242'291 games
played by 2'843 programs

White wins: 425'658 (34.3%)
Black wins: 312'703 (25.2%)
Draws: 503'930 (40.6%)
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 May 8, 2021 with Bayeselo based on 1'242'291 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 13 64-bit 4CPU3548+19−1877.3%−181.845.3%1026 
96.8%
2Fat Fritz 2 (in SF) 64-bit 4CPU3524+19−1871.5%−135.355.3%888
99.1%
3Dragon by Komodo 64-bit 4CPU3496+15−1567.2%−106.359.4%1245
100.0%
4RubiChess 2.1 64-bit 4CPU3410+23−2347.6%+15.070.5%508
75.5%
5Igel 3.0.0 64-bit 4CPU3399+22−2247.3%+15.770.0%566
57.3%
6Houdini 6 64-bit 4CPU3397+10−1057.7%−48.262.1%3182
60.3%
7SlowChess Blitz 2.5 64-bit 4CPU3394+18−1846.6%+21.264.9%855
62.9%
8Ethereal 12.75 64-bit 4CPU3390+15−1548.7%+10.267.9%1182
72.6%
9Fire 8 64-bit 4CPU3383+17−1748.0%+14.866.1%946
53.7%
10Nemorino 6.00 64-bit 4CPU3382+17−1748.4%+7.061.6%1031
100.0%
11Lc0 0.27.0 w703810 64-bit 4CPU3333+18−1843.5%+37.960.2%914
53.0%
12Booot 6.5 64-bit 4CPU3332+21−2236.5%+82.558.8%634
62.2%
13Xiphos 0.6 64-bit 4CPU3328+13−1340.5%+60.561.5%1760
97.1%
14RofChade 2.3 64-bit 4CPU3310+14−1438.5%+73.859.5%1456
78.8%
15Pedone 3.0 64-bit 4CPU3301+18−1837.1%+85.356.6%908
92.6%
16Laser 1.7 64-bit 4CPU3284+13−1340.5%+61.860.4%1829
76.8%
17Defenchess 2.2 64-bit 4CPU3277+14−1442.0%+51.360.2%1423
55.5%
18Deep Shredder 13 64-bit 4CPU3276+10−1045.2%+29.262.1%2939
79.7%
19Fizbo 2 64-bit 4CPU3269+12−1243.3%+42.154.9%2131
70.5%
20Schooner 2.2 64-bit 4CPU3262+26−2645.6%+27.660.7%420
55.8%
21Andscacs 0.94 64-bit 4CPU3259+18−1847.2%+18.454.2%907
95.9%
22Wasp 4.50 64-bit 4CPU3232+23−2347.6%+13.362.5%496
56.0%
23Arasan 22.2 64-bit 4CPU3230+28−2851.9%−12.155.9%372
59.9%
24Halogen 10 64-bit 4CPU3225+26−2648.2%+11.066.3%380
99.5%
25Chiron 4 64-bit 4CPU3187+11−1141.5%+56.653.0%2426
63.1%
26Vajolet2 2.8 64-bit 4CPU3182+27−2747.7%+11.863.5%370
59.3%
27Gull 3 64-bit 4CPU3178+9−942.5%+48.554.2%3783
55.1%
28NirvanaChess 2.4 64-bit 4CPU3177+13−1341.8%+55.354.5%1852
76.2%
29Equinox 3.20 64-bit 4CPU3171+11−1142.2%+50.759.0%2671
66.5%
30ChessBrainVB 3.72 4CPU3164+30−3045.0%+30.751.3%320
67.1%
31Critter 1.6a 64-bit 4CPU3157+8−845.3%+31.654.6%5429
69.8%
32Hannibal 1.7 64-bit 4CPU3153+14−1442.3%+47.454.5%1577
73.5%
33Bouquet 1.8 64-bit 4CPU3147+11−1143.6%+41.256.7%2427
60.0%
34Rybka 4 64-bit 4CPU3145+10−1048.7%+7.551.0%3180
76.8%
35Texel 1.07 64-bit 4CPU3139+14−1449.3%+5.849.2%1636
57.3%
36Protector 1.9.0 64-bit 4CPU3137+15−1546.4%+24.453.9%1338
56.3%
37Alfil 15.7 64-bit 4CPU3135+17−1742.9%+48.156.3%1006
76.0%
38Winter 0.9 64-bit3126+17−1748.1%+9.650.9%1007
61.3%
39Orion 0.8 64-bit3122+20−2048.7%+5.355.2%726
53.7%
40‑41BlackMamba 2.0 64-bit 4CPU3121+15−1544.2%+37.454.3%1408
48.9%
40‑41iCE 4.0 64-bit 4CPU3121+26−2646.9%+15.352.6%426
69.1%
42Marvin 5.0.0 64-bit3112+22−2252.5%−14.955.8%618
56.5%
43Combusken 1.4.0 64-bit3110+19−1949.0%+6.754.9%773
59.8%
44Senpai 2.0 64-bit 4CPU3106+19−1950.6%−5.348.7%866
68.6%
45Strelka 5.5 64-bit3101+7−645.6%+32.048.1%9977
63.3%
46Beef 0.3.6 64-bit3096+27−2745.8%+26.250.2%402
52.4%
47Toga III 0.2 64-bit3095+23−2354.7%−29.649.8%580
56.6%
48Naum 4.6 64-bit 4CPU3093+14−1448.1%+11.854.3%1544
66.5%
49Demolito 2020-05-14 64-bit3088+19−1951.4%−11.650.8%811
82.5%
50chess22k 1.14 64-bit3076+16−1650.2%−2.053.4%1112
61.2%
51Koivisto 4.0 64-bit3072+20−2049.9%+0.949.7%764
53.1%
52Amoeba 3.1 64-bit 4CPU3070+34−3442.1%+48.749.6%254
55.4%
53Rodent III 0.238 64-bit 4CPU3068+20−2047.2%+14.650.0%742
56.6%
54Weiss 1.3 64-bit3065+25−2554.2%−24.050.8%461
51.9%
55Stash 29.0 64-bit3064+22−2249.4%+5.251.7%598
51.4%
56Topple 0.7.5 64-bit 4CPU3063+28−2851.6%−10.846.4%394
71.8%
57Seer 1.2.1 64-bit3053+22−2251.4%−12.547.9%653
53.1%
58Hiarcs 14 4CPU3052+13−1342.8%+43.451.2%1894
56.8%
59Minic 2.46 64-bit3049+22−2251.2%−8.644.9%648
95.7%
60Deep Junior 13 64-bit 4CPU3025+16−1643.5%+40.849.9%1161
53.7%
61‑63Bobcat 8.0 64-bit 4CPU3024+21−2148.3%+11.153.5%636
50.4%
61‑63Pirarucu 2.7.4 64-bit 4CPU3024+21−2053.6%−27.647.6%735
48.1%
61‑63SmarThink 1.98 64-bit3024+13−1349.6%−0.341.8%2003
87.2%
64Spike 1.4 Leiden 4CPU3014+11−1145.2%+29.647.7%2862
59.5%
65Crafty 25.2 64-bit 4CPU3012+16−1648.5%+9.142.5%1279
64.2%
66Cheng 4.39 64-bit 4CPU3008+15−1549.4%+4.048.6%1333
69.5%
67Monolith 2 64-bit3002+16−1648.6%+6.750.5%1141
63.9%
68Hakkapeliitta TCEC v2 64-bit2998+13−1349.7%−4.342.5%1988
63.4%
69Bagatur 2.2 64-bit2994+18−1849.7%+2.148.2%957
79.1%
70FabChess 1.16 64-bit2984+18−1854.7%−34.445.4%994
54.2%
71Scorpio 2.8 64-bit 4CPU2982+25−2548.8%+7.246.3%492
57.6%
72Godel 7.0 64-bit2979+17−1748.5%+6.341.7%1146
52.0%
73Deuterium 2019.2.37.73 64-bit2978+15−1547.9%+12.248.9%1325
72.5%
74Counter 3.7 64-bit2970+24−2450.3%−3.953.1%493
50.5%
75EXchess 7.97b 64-bit 4CPU2969+17−1847.4%+19.045.9%1017
57.8%
76‑77Spark 1.0 64-bit 4CPU2967+13−1345.0%+32.246.6%1787
50.8%
76‑77Zappa Mexico II 64-bit 4CPU2967+10−1048.3%+9.248.1%3270
64.5%
78Mr Bob 1.0.0 64-bit2961+29−2948.8%+6.946.8%370
88.7%
79‑80Gaviota 1.0 64-bit 4CPU2940+16−1647.3%+16.745.4%1256
51.8%
79‑80Tucano 7.07 64-bit 4CPU2940+33−3351.5%−10.444.7%291
50.5%
81Deep Sjeng c't 20102939+10−1046.4%+23.145.9%3424
55.2%
82The Baron 3.44 64-bit 4CPU2937+27−2846.8%+21.145.3%402
56.1%
83Berserk 3.2.1 64-bit2934+28−2855.4%−35.147.9%378
53.6%
84‑85Francesca MAD 0.30a 64-bit2932+24−2446.7%+19.647.5%522
51.6%
84‑85Onno 1.2.70 64-bit 4CPU2932+19−1947.3%+16.148.3%810
69.4%
86Thinker 5.4d Inert 64-bit 4CPU2924+23−2346.0%+24.249.7%587
71.7%
87Dirty CUCUMBER 64-bit2917+12−1250.0%−1.443.9%2308
61.4%
88DisasterArea 1.65 64-bit 4CPU2913+21−2144.2%+35.946.1%709
56.0%
89‑90Asymptote 0.8 64-bit2911+18−1847.9%+12.342.3%970
50.4%
89‑90Gogobello 2.0 64-bit 4CPU2911+25−2550.8%−7.439.1%522
69.3%
91Quazar 0.4 64-bit2903+10−1048.2%+11.243.5%3200
69.9%
92DiscoCheck 5.2 64-bit2898+17−1748.4%+9.343.6%1040
53.2%
93Atlas 3.91 64-bit2897+13−1349.6%−0.939.8%2020
60.4%
94‑96Bright 0.4a 4CPU2894+15−1547.4%+17.441.1%1495
52.6%
94‑96Glaurung 2.2 64-bit 4CPU2894+16−1647.0%+18.940.7%1259
49.2%
94‑96Tornado 6.0 64-bit 4CPU2894+26−2645.5%+27.743.3%469
67.9%
97Octochess r5506 64-bit 4CPU2886+20−2144.5%+35.846.7%715
56.0%
98MinkoChess 1.3 64-bit 4CPU2884+21−2146.0%+24.343.7%725
65.3%
99Invictus r305 64-bit2878+17−1749.0%+6.743.0%1120
99.8%
100Loop M1-T 64-bit 4CPU2847+12−1243.2%+43.545.2%2447
58.5%
101Nemo 1.0.1 64-bit2846+12−1248.2%+10.942.9%2382
61.0%
102Shield 2.1 64-bit 4CPU2842+24−2448.7%+9.436.0%594
51.2%
103Cheese 2.0 64-bit 4CPU2841+30−3045.8%+26.539.2%355
60.4%
104BugChess2 1.9 64-bit 4CPU2836+21−2143.4%+44.638.2%738
71.4%
105Zurichess Neuchatel 64-bit2829+12−1247.6%+13.843.1%2206
77.8%
106Murka 3 64-bit2822+12−1248.1%+11.243.8%2150
65.5%
107tomitankChess 4.0 64-bit2817+22−2149.6%+0.445.3%667
57.8%
108Jonny 4.00 4CPU2814+25−2543.6%+42.335.0%540
53.0%
109GNU Chess 5.60 64-bit2813+16−1648.5%+7.542.0%1247
79.4%
110OliThink 5.9.2 64-bit2800+27−2753.0%−23.934.0%473
64.1%
111‑112GnuCheese 1.00 64-bit2794+16−1649.1%+4.140.6%1325
50.6%
111‑112ProDeo 3.12794+31−3150.7%−5.139.3%338
53.6%
113Rhetoric 1.4.3 64-bit2792+12−1248.9%+3.840.1%2331
52.9%
114RuyDos 1.1.9 64-bit2791+15−1548.5%+8.637.5%1640
70.8%
115Devel 3.8.42783+26−2652.8%−18.038.0%497
63.7%
116Pawny 1.2 64-bit2778+13−1348.1%+11.339.8%1858
67.3%
117Naraku 1.42773+16−1648.4%+11.326.2%1468
55.8%
118Frenzee 3.5.19 64-bit2772+14−1448.1%+10.834.5%1759
57.8%
119Twisted Logic 20100131x 64-bit2770+16−1649.3%+2.235.1%1359
92.2%
120Bison 9.11 64-bit2755+13−1349.3%+2.035.5%2063
65.7%
121Ktulu 92752+12−1246.6%+21.239.2%2280
58.8%
122Fridolin 3.10 64-bit 4CPU2747+33−3349.5%−0.031.5%308
66.3%
123Chronos 1.9.9 32-bit2739+17−1750.3%−0.743.2%1182
51.2%
124Velvet 1.2.0 64-bit2738+32−3250.0%−3.639.0%328
54.2%
125Carballo 1.7 64-bit2736+14−1449.1%+6.240.4%1734
67.9%
126Arminius 2018-12-23 64-bit2732+12−1249.3%+3.134.4%2358
72.4%
127Nebula 2.0 64-bit 4CPU2725+20−2045.1%+35.234.1%866
59.2%
128GreKo 2018.12 64-bit2721+23−2348.2%+10.845.7%569
82.3%
129K2 0.992706+21−2146.2%+26.235.0%732
60.5%
130Chess Tiger 2007.12703+10−1046.5%+22.743.0%3322
55.4%
131Chessmaster 11 Archangel2701+19−1946.7%+22.039.3%862
65.7%
132DanaSah 8.32696+19−1948.1%+9.638.9%964
57.1%
133ECE 19.6.6.3 64-bit2693+21−2148.3%+10.926.3%813
64.4%
134Delfi 5.42689+12−1248.2%+10.939.8%2606
59.2%
135Hamsters 0.7.1 4CPU2684+32−3252.4%−13.936.2%318
54.3%
136‑137RedQueen 1.1.98 64-bit 4CPU2682+27−2739.4%+80.428.5%494
50.4%
136‑137WyldChess 1.51 64-bit2682+15−1547.6%+12.334.1%1503
57.8%
138Daydreamer 1.75 64-bit2680+16−1648.5%+9.940.0%1235
66.9%
139Shallow 2020-09-09 64-bit2674+22−2252.3%−15.238.3%660
53.4%
140Pharaon 3.5.1 4CPU2672+26−2643.6%+41.429.7%518
63.9%
141Djinn 1.021 64-bit2667+13−1348.1%+11.536.7%2003
51.9%
142‑143Jellyfish 1.1 64-bit 4CPU2666+29−2953.3%−25.432.3%403
50.6%
142‑143Movei 00.8.438 (10 10 10)2666+11−1147.5%+14.136.9%2873
75.4%
144Alaric 7072660+12−1149.1%+4.934.2%2723
61.9%
145Floyd 0.9 64-bit2657+14−1449.2%+5.829.1%1726
64.5%
146Supernova 2.3 64-bit2652+25−2548.1%+13.132.6%525
52.8%
147Rotor 0.7a2651+20−2050.2%−3.835.6%812
50.4%
148‑149Ghost 3.1 64-bit 4CPU2650+30−2953.9%−25.328.5%393
50.9%
148‑149Philou 3.7.1 64-bit2650+13−1348.3%+10.536.9%1942
54.6%
150E.T. Chess 13.01.082649+13−1349.2%+5.436.3%1938
55.6%
151‑152Cyrano 0.6b17 32-bit2648+14−1448.6%+7.840.3%1661
48.3%
151‑152Drosophila 1.6 64-bit2648+20−2047.0%+23.035.4%826
62.6%
153Gandalf 7 64-bit2644+18−1848.4%+8.432.5%1094
54.0%
154Colossus 2008b2643+12−1249.0%+4.438.6%2196
57.9%
155Drofa 2.2.0 64-bit2639+29−2945.4%+31.236.6%388
68.7%
156Sjakk 2.2 64-bit2631+15−1549.1%+5.138.7%1433
60.5%
157‑158Nawito 19062628+20−2049.9%+1.735.5%875
48.8%
157‑158WildCat 82628+13−1348.6%+8.834.2%2015
54.1%
159Rodin 8.02627+15−1549.1%+4.338.2%1483
52.6%
160Delocto 0.61n 64-bit2626+22−2250.3%−2.540.3%640
53.5%
161KnightX 2.61 64-bit2625+32−3245.8%+26.334.9%324
53.8%
162Ruffian 2.1.02623+13−1348.7%+7.937.6%2061
52.0%
163NoraGrace 2.0 64-bit2622+15−1550.3%−3.827.9%1545
54.4%
164Caligula 0.9g2621+20−2053.6%−27.329.8%866
59.2%
165Phalanx XXV2618+15−1549.6%+2.432.3%1501
69.5%
166Sloppy 0.2.2 64-bit2612+16−1648.7%+6.232.8%1332
61.0%
167Lozza 2.0 64-bit2608+26−2643.0%+48.333.7%490
51.6%
168Betsabe II 20202607+24−2450.6%−5.831.6%560
53.6%
169Donna 4.0 64-bit2606+15−1550.3%−2.736.4%1440
80.5%
170Glass 2.0 64-bit2597+13−1448.5%+10.732.9%1933
55.2%
171Aristarch 4.502596+12−1248.5%+11.232.0%2606
58.1%
172‑173Muse 0.953 64-bit2594+16−1648.5%+7.534.6%1332
47.9%
172‑173N2 0.4 64-bit2594+15−1549.8%+1.435.8%1404
54.5%
174Petir 4.392593+19−1948.9%+4.837.7%926
55.3%
175Pseudo 0.7c2591+13−1349.9%+0.937.6%2016
57.8%
176‑177Amyan 1.722590+12−1250.0%−0.431.8%2413
50.3%
176‑177Galjoen 0.40 64-bit2590+20−2050.7%−8.033.1%886
52.1%
178Brutus 8.05 64-bit2589+20−2048.9%+6.034.7%809
61.8%
179‑180Coiled 0.6 64-bit2585+12−1250.3%−2.234.3%2469
51.7%
179‑180GarboChess 3.0 64-bit2585+16−1649.4%+2.732.3%1370
53.0%
181CuckooChess 1.12 32-bit2584+25−2547.9%+14.829.8%561
56.4%
182Dimitri 4.992581+20−2050.9%−6.530.0%882
82.6%
183Capivara LK 0.09b02f 64-bit2569+17−1749.8%+0.233.2%1240
68.8%
184SOS 5.12563+13−1348.2%+11.534.5%2110
66.3%
185Jumbo 0.6.107 64-bit2559+18−1851.1%−8.828.1%1052
52.5%
186JikChess 0.02 64-bit2558+16−1649.5%+1.628.1%1477
51.9%
187Dorky 4.8 64-bit2557+14−1450.1%+0.731.3%1809
56.3%
188Anaconda 2.0.12555+27−2747.9%+11.835.2%458
52.8%
189Detroid 1.0.1 64-bit2554+18−1850.9%−8.830.1%1136
50.8%
190‑191Delphil 3.2 64-bit 4CPU2553+31−3138.2%+85.730.5%374
50.2%
190‑191Jazz 840 64-bit 4CPU2553+20−2057.8%−63.725.3%1000
55.3%
192Raven 1.0 64-bit2551+23−2351.3%−9.934.0%636
67.4%
193nanoSzachy 4.0 64-bit2544+17−1749.5%+3.731.5%1127
56.1%
194Ufim 8.022543+12−1249.6%+0.931.0%2576
57.0%
195FrankWalter 2.4.0 64-bit2541+16−1650.0%−0.530.1%1372
60.6%
196AnMon 5.752538+15−1549.0%+7.130.7%1534
57.8%
197Maverick 1.5 64-bit2536+14−1450.4%−4.729.8%1919
71.8%
198‑199Axolotl 1.9 64-bit2529+18−1849.9%−0.731.7%1023
50.2%
198‑199Nemeton 1.8 4CPU2529+27−2749.9%+1.927.2%496
52.4%
200Hermann 2.8 64-bit2528+16−1648.8%+9.226.3%1342
89.8%
201CyberPagno 3.0 64-bit2514+14−1449.6%+0.031.0%1867
54.1%
202Nimzo 82513+27−2845.5%+33.032.2%453
63.7%
203Little Goliath Evolution 3.122507+18−1846.3%+24.833.6%1025
66.7%
204Tao 5.62502+16−1648.5%+10.827.4%1445
58.4%
205Pupsi2 0.092499+16−1749.0%+6.629.3%1286
58.1%
206LittleThought 1.052 64-bit2497+16−1647.9%+13.425.9%1420
57.5%
207Pepito 1.59.2 64-bit2495+17−1748.3%+11.134.5%1203
53.1%
208MadChess 2.2 64-bit2494+14−1448.7%+8.931.8%1674
62.9%
209Green Light Chess 3.01.2.22489+24−2448.1%+11.831.0%596
55.1%
210Yace 0.99.872487+17−1648.5%+11.828.6%1291
57.0%
211Trace 1.362485+20−2049.4%+3.326.9%903
55.0%
212‑213Myrddin 0.87 64-bit 4CPU2482+35−3538.9%+80.928.4%296
49.1%
212‑213Xpdnt 0910072482+15−1548.3%+11.231.3%1588
58.0%
214Cerebro 3.03d2480+17−1749.0%+5.929.1%1241
56.2%
215‑216Bruja 1.9.1 64-bit2478+17−1848.8%+9.126.3%1163
49.6%
215‑216Matacz 1.42478+16−1649.5%+3.232.8%1294
52.2%
217pikoSzachy 4.12477+29−2952.3%−15.330.8%412
53.9%
218SpiderChess 0706032476+20−2048.3%+13.338.9%809
53.2%
219Anatoli 0.35k2475+16−1649.0%+5.331.6%1382
54.4%
220‑221BBChess 1.3b2473+23−2349.2%+5.937.9%589
50.5%
220‑221Waxman 20202473+28−2852.2%−13.125.9%436
59.9%
222Quark 2.352469+18−1848.4%+10.328.6%1147
70.2%
223Giraffe 20150908 64-bit2462+19−1848.9%+7.224.1%1064
53.0%
224Bumblebee 1.0 64-bit2461+20−2047.5%+14.133.2%814
82.6%
225Mephisto Gideon Professional2446+23−2348.3%+12.632.5%649
54.4%
226‑228Abrok 5.02444+18−1848.3%+10.729.5%1129
50.0%
226‑228Hussar 0.42444+17−1748.6%+10.630.0%1281
50.9%
226‑228Typhoon 1.00-3482444+29−2948.9%+9.228.1%413
53.6%
229Bearded N44.5 64-bit2442+20−2049.0%+5.530.2%917
55.5%
230Eeyore 1.52 64-bit2441+17−1748.1%+12.028.1%1239
54.2%
231‑232Teki 2 64-bit2439+16−1649.2%+5.622.9%1443
51.9%
231‑232Tunguska 1.1 64-bit2439+18−1850.1%−2.030.0%1068
52.2%
233Taltos rev118 64-bit2438+18−1851.1%−8.426.3%1092
52.4%
234‑235King of Kings 2.562437+21−2150.0%−0.724.6%846
50.8%
234‑235Snitch 1.6.2 32-bit2437+22−2248.4%+8.528.0%706
58.0%
236TJchess 1.3 64-bit2434+17−1748.6%+9.929.7%1184
62.8%
237Homer 2.012430+20−2149.1%+5.132.6%803
55.4%
238NoC 4.20 64-bit2427+21−2249.6%+1.622.2%797
64.9%
239‑240Bitfoot 1.0.d9aeb43 64-bit2421+25−2549.0%+7.926.0%573
50.5%
239‑240Cmcchess 2.6 64-bit2421+17−1748.4%+10.436.3%1145
51.4%
241‑242Ares 1.005.2.1 64-bit2420+21−2151.0%−6.937.1%765
51.3%
241‑242Kiwi 0.6d 32-bit2420+19−1948.2%+10.027.0%991
57.0%
243PostModernist 10162417+18−1848.0%+11.929.8%1100
53.1%
244Gaia 3.5 64-bit2416+21−2149.3%+4.324.8%859
54.8%
245‑246Hedgehog 2.0 64-bit2414+27−2751.4%−11.631.1%469
51.1%
245‑246RomiChess P3n 64-bit2414+13−1348.6%+10.134.1%1979
54.7%
247Ifrit m1.8 64-bit2413+18−1848.8%+9.528.6%1151
59.0%
248Queen 4.032410+18−1848.4%+8.434.5%1090
51.6%
249‑250Diablo 0.5.12409+18−1848.2%+12.132.1%1098
49.1%
249‑250Jonesy 1.0 64-bit2409+21−2149.2%+4.530.1%820
62.4%
251Dragon 4.62405+17−1747.8%+14.932.4%1169
57.0%
252‑253Amy 0.87b2402+24−2449.4%+7.325.7%610
50.7%
252‑253Gosu 0.162402+18−1850.1%−1.827.6%1107
53.3%
254Simplex 0.9.8 64-bit2401+17−1747.9%+14.924.7%1330
53.6%
255Tigran 2.4n 64-bit2400+17−1749.1%+5.629.5%1273
57.8%
256KnightDreamer 3.32397+26−2649.0%+11.230.8%509
52.5%
257Popochin 4.1 64-bit2396+16−1650.6%−3.529.4%1352
54.1%
258‑259Amateur 2.822395+19−1949.2%+3.824.6%983
49.4%
258‑259Patzer 3.802395+19−1947.9%+16.024.8%1033
55.4%
260Alex 2.14a 64-bit2393+18−1849.2%+5.229.9%1051
56.0%
261CT800 1.40 64-bit2391+27−2747.8%+14.428.3%460
50.3%
262Zevra 2.1.2 r248 64-bit2390+19−1950.1%−0.026.8%945
57.6%
263Sorgenkind 0.42388+15−1450.9%−5.227.7%1724
55.4%
264Sage 3.532387+18−1849.9%+0.327.3%1134
51.4%
265Googleplex Starthinker 1.6 64-bit2386+18−1849.0%+7.027.7%1100
52.7%
266Horizon 4.42385+17−1749.0%+7.525.5%1294
54.4%
267‑268Comet B682384+18−1848.3%+12.125.9%1057
50.6%
267‑268Tytan 9.32384+22−2251.4%−11.325.5%737
52.5%
269Thor's Hammer 2.28 32-bit2383+22−2249.0%+6.428.8%730
62.2%
270Ceibo 0.6 64-bit2377+30−3048.6%+7.631.4%370
58.8%
271Isa 2.0.83 64-bit2372+23−2350.2%−3.225.9%700
74.6%
272Plisk 0.2.7d 64-bit2362+19−1949.0%+7.327.2%1017
64.4%
273Flux 2.2.12357+21−2151.2%−9.130.1%823
62.7%
274Barbarossa 0.6.0 64-bit2352+24−2448.6%+10.026.5%622
75.4%
275Arion 1.72341+18−1848.8%+8.326.9%1095
57.1%
276Aice 0.99.22339+17−1749.5%+2.227.3%1215
54.1%
277Napoleon 1.8 64-bit2338+17−1751.0%−8.030.6%1242
51.5%
278Gibbon 2.60a 64-bit2337+20−2048.5%+9.231.1%847
55.1%
279EveAnn 1.712335+28−2848.4%+12.333.4%416
51.2%
280Butcher 1.61 64-bit2334+30−3048.7%+11.025.2%393
56.3%
281Asterisk 0.62332+17−1847.8%+15.227.0%1161
54.0%
282FoxSEE 5.3 64-bit2330+30−3055.7%−39.926.7%397
53.7%
283‑284Amundsen 0.802328+17−1749.1%+7.029.2%1269
48.8%
283‑284FireFly 2.7.2 64-bit2328+16−1647.2%+19.030.0%1406
61.0%
285Zeus 1.272324+24−2549.0%+2.126.9%602
52.5%
286Der Bringer 1.92323+23−2350.0%−0.319.0%746
53.9%
287Chezzz 1.0.32322+18−1949.9%−0.525.5%1054
51.1%
288WChess 1.062321+15−1550.2%−5.429.2%1711
74.0%
289‑290Averno 0.812314+18−1848.3%+13.228.5%1063
49.5%
289‑290Kingfisher 1.1.1 64-bit2314+27−2750.7%−1.241.6%442
57.0%
291Mediocre 0.42311+27−2747.9%+14.123.4%495
68.0%
292Rival 1.0.1 64-bit2302+24−2450.1%−2.527.8%663
51.4%
293‑295Anechka 0.082301+19−1948.8%+11.226.8%1053
51.2%
293‑295Ant 2006-F2301+19−1948.4%+10.623.9%1017
48.9%
293‑295Joker 1.1.142301+19−1949.3%+4.627.2%1020
54.0%
296Fischerle 0.9.80 SE 64-bit2300+20−2047.8%+14.825.7%917
54.6%
297Natwarlal 0.142298+19−1948.5%+11.725.0%1045
57.0%
298‑299Absolute Zero 2.4.7.2 64-bit2296+15−1550.9%−8.322.6%1739
50.2%
298‑299Sungorus 1.4 64-bit2296+18−1847.1%+21.822.3%1197
60.8%
300Dumb 1.3 64-bit2292+21−2150.9%−5.824.1%772
55.0%
301Matilde 2008 64-bit2290+21−2148.8%+8.828.9%792
53.5%
302Chaturanga 2.4.32289+19−1949.4%+1.926.5%1027
69.8%
303AliChess 4.252282+19−1948.4%+10.224.4%1006
73.7%
304Chispa 4.0.32274+17−1749.5%+5.027.1%1180
66.0%
305‑306Ayito 0.2.9942268+20−2049.2%+4.822.5%952
50.9%
305‑306CeeChess 1.3.2 64-bit2268+25−2545.6%+33.824.3%597
76.6%
307Protej 0.5.8c2256+19−1948.5%+11.422.3%1017
58.7%
308‑309Esc 1.162253+22−2247.4%+18.126.2%749
50.8%
308‑309RattateChess 1.0 Nosferatu2253+18−1949.9%+0.627.8%1036
53.7%
310Exacto 0.e 64-bit2252+18−1848.9%+7.332.6%1063
57.3%
311Beowulf 2.4a 64-bit2249+18−1849.6%+1.226.4%1075
61.6%
312Mango Paola Ajedrez 4.12245+19−1948.2%+13.726.4%1017
61.2%
313Weini 0.0.23 64-bit2241+19−1948.7%+10.217.3%1115
58.4%
314Feuerstein 0.4.6.12238+19−1949.1%+6.328.5%944
53.0%
315Atak 6.82237+16−1650.8%−5.322.9%1450
59.2%
316Buzz 0.08 64-bit2234+20−2048.4%+12.623.5%910
57.4%
317RamJet 0.132232+19−1951.7%−13.026.3%1001
53.9%
318‑320Dolphin 1.0 64-bit2230+18−1849.0%+5.824.5%1075
50.4%
318‑320KMTChess 1.2.1 64-bit2230+25−2549.0%+5.824.7%592
51.4%
318‑320SpaceDog 0.97.7 64-bit2230+22−2245.9%+29.024.3%734
69.6%
321Tiny Chess 1.46 64-bit2222+18−1948.4%+10.028.0%1038
55.2%
322Robocide 20170718 64-bit2220+17−1748.4%+12.324.7%1244
56.8%
323Uralochka 1.1b2218+18−1848.9%+8.626.0%1090
62.9%
324‑328ChessKISS 1.7c 64-bit2214+19−1948.3%+11.927.4%1023
48.0%
324‑328Joker2 0.7.7 64-bit2214+20−2047.6%+17.232.6%880
52.3%
324‑328Madeleine 0.22214+22−2246.1%+26.723.3%737
49.9%
324‑328Neurosis 2.32214+24−2449.1%+3.026.5%603
48.4%
324‑328OBender 03.2016 64-bit2214+18−1850.1%−2.124.1%1110
60.7%
329Adam 3.32211+19−1949.4%+3.222.5%1019
50.4%
330ZCT 0.3.24512210+27−2749.4%+4.425.5%478
60.5%
331Latista (Sinobyl) 1.52206+22−2248.6%+7.724.4%729
52.5%
332Baislicka 1.0 64-bit2205+19−1947.3%+19.425.5%962
55.3%
333ChessAlex 2.0r42203+20−2046.9%+20.627.3%872
52.3%
334BlackBishop 1.02202+19−1948.8%+9.527.1%1039
57.7%
335‑336Dorpsgek Eve's Temptation 64-bit2200+14−1448.8%+8.524.0%1953
50.2%
335‑336MORA 1.0.02200+26−2651.6%−10.928.1%506
52.5%
337Achillees 1.0 64-bit2198+27−2742.9%+57.320.0%526
56.6%
338Alf 1.092195+23−2349.4%+1.231.1%634
56.8%
339Alarm 0.93.12193+21−2145.1%+43.219.0%880
53.2%
340‑341Embla 2.0.7 64-bit2191+30−3048.6%+10.527.0%396
50.3%
340‑341NG-Play 9.85 64-bit2191+29−2946.1%+27.827.3%410
53.6%
342GopherCheck 0.2.3 64-bit2189+18−1849.0%+7.331.4%1011
59.2%
343NagaSkaki 5.122186+17−1751.2%−8.126.5%1265
64.7%
344Lime 662182+17−1751.7%−17.120.3%1395
55.5%
345Terra 3.42180+24−2449.0%+12.917.3%718
56.7%
346‑347Prophet 2.0 64-bit2177+27−2749.3%+4.124.6%484
48.7%
346‑347Soldat III 0.187 64-bit2177+21−2148.0%+15.126.3%813
62.3%
348Clever Girl r160 64-bit2173+21−2147.5%+14.324.3%860
67.8%
349Kurt 0.9.2.2 64-bit2166+21−2147.7%+17.524.2%828
57.0%
350ProChess 1.02AD2163+19−1948.4%+6.822.1%1043
51.7%
351‑352Chesley r323 64-bit2162+22−2248.1%+15.020.8%804
51.5%
351‑352Micah 1.0 64-bit2162+25−2544.0%+45.325.4%566
73.0%
353KnockOut 0.7.12152+15−1551.1%−7.526.6%1574
81.3%
354Blitzkrieg rev337 64-bit2141+19−1946.9%+22.926.4%1013
66.2%
355Parrot 07.07.222136+19−1947.3%+19.423.0%1047
85.0%
356BikJump 2.01 64-bit2122+19−1948.6%+10.324.3%983
64.9%
357Clarabit 1.00 32-bit2116+22−2247.6%+13.929.9%736
62.5%
358Cinnamon 2.2a 64-bit2111+20−2048.7%+9.725.3%912
61.0%
359King's Out 0.2.42 64-bit2107+22−2248.8%+9.816.6%800
60.7%
360Armageddon 2.3082102+25−2456.6%−55.020.2%678
70.7%
361Bodo 0.2b2093+22−2247.8%+15.920.9%786
67.6%
362‑363Freyr 1.068 64-bit2086+21−2158.3%−64.020.6%859
48.7%
362‑363Gunborg 1.35 64-bit2086+21−2152.2%−7.127.9%806
66.2%
364Small Potato 0.7.0 64-bit2080+21−2153.6%−29.621.3%873
53.3%
365‑366AdroitChess 0.42079+22−2256.0%−56.515.3%858
48.0%
365‑366Smash 1.0.3a 64-bit2079+22−2247.9%+17.623.0%768
56.3%
367‑368BigLion 2.23w2077+21−2146.2%+24.923.3%840
48.4%
367‑368Jabba 1.0 64-bit2077+22−2244.9%+39.221.8%751
57.4%
369Little Wing 0.6.0 64-bit2074+33−3338.8%+86.517.4%356
63.3%
370Matant 5.042067+22−2260.5%−84.322.9%827
72.2%
371Vice 1.0 64-bit2057+25−2549.7%+2.920.7%608
53.3%
372Zeta Dva 0301 64-bit2055+28−2849.0%+9.729.4%446
62.3%
373‑374Ecce 1.0 (rev. 508) 64-bit2050+21−2147.1%+23.018.4%901
49.8%
373‑374Goldfish 1.13.0 64-bit2050+20−2049.9%+1.927.0%870
55.4%
375PLP 16615712048+22−2246.2%+26.924.2%768
55.4%
376Squared-chess 1.3.0 64-bit2045+23−2352.4%−17.921.9%736
53.6%
377‑378Monarch 1.72044+17−1748.2%+18.519.0%1363
50.5%
377‑378Mustang 4.972044+26−2644.7%+36.130.8%533
54.4%
379Matheus 2.32042+23−2345.0%+44.022.8%705
71.8%
380Abbess 2018.02.072033+22−2246.7%+25.519.4%840
53.3%
381ChessMind 0.822031+23−2346.0%+30.519.2%744
55.0%
382Schola 1.1.0 64-bit2029+22−2249.4%+4.323.1%780
53.5%
383Bestia 0.902028+28−2851.4%−7.224.3%469
51.1%
384Faile 1.4.42027+23−2355.2%−28.122.1%774
51.5%
385Arabian Knight 1.55 64-bit2026+25−2546.5%+28.319.4%608
53.9%
386‑388Cupcake 1.1a 64-bit2025+22−2250.5%−3.416.4%804
48.9%
386‑388Slibo 0.5.12025+26−2645.5%+33.819.4%573
49.5%
386‑388Wuttang r2 64-bit2025+18−1848.2%+11.122.6%1204
85.6%
389Bubble 1.52011+19−1943.6%+53.820.5%1101
76.7%
390La Dame Blanche 2.0c2002+15−1550.1%−0.618.7%1766
56.0%
391‑392BibiChess 0.52000+24−2545.7%+31.826.5%607
50.5%
391‑392Oberon 0.042000+24−2451.9%−15.219.4%648
55.4%
393Snowy 0.2 64-bit1997+26−2651.5%−11.719.0%554
54.1%
394BSC 3.91995+37−3745.1%+38.024.0%263
58.6%
395ALChess 1.841990+23−2352.8%−22.426.8%672
69.1%
396Heracles 0.6.161982+19−1947.8%+16.426.8%1034
86.5%
397Dabbaba 5.671964+25−2545.5%+33.926.4%557
52.8%
398BeLL 0.0.41 64-bit1963+22−2250.1%−0.624.5%722
64.4%
399Sissa 2.01957+23−2353.1%−22.430.1%678
55.4%
400Monik 2.2.3 32-bit1955+30−3044.4%+38.927.1%395
53.7%
401Wowl 1.3.81953+26−2745.4%+34.913.3%573
60.0%
402Etude 0.1.21948+22−2250.3%−2.224.5%772
56.2%
403Franky 1.0 64-bit1946+25−2548.8%+7.513.3%640
57.9%
404Micro-Max 4.8 (DM-PII)1942+20−2048.3%+13.026.1%865
60.0%
405MatMoi 7.15.0-cct 32-bit1938+25−2642.7%+55.424.5%568
61.0%
406Eia 0.31933+20−2047.1%+23.124.4%914
83.6%
407Presbyter 1.3.0 64-bit1917+25−2542.2%+55.916.5%638
62.5%
408Clueless 1.41912+18−1843.0%+56.315.3%1232
62.5%
409Reger 0.091908+20−2040.7%+70.722.3%924
56.3%
410Warrior 1.0.31906+19−1944.5%+40.422.5%1072
61.6%
411ChessterfieldCL i5a1901+24−2540.6%+73.520.4%657
56.0%
412Deepov 0.4.1 64-bit1898+24−2444.1%+46.617.3%677
61.2%
413Surprise 4.3b131894+22−2339.5%+81.519.4%768
54.0%
414Sapeli 1.02 64-bit1892+21−2247.9%+15.120.4%796
69.9%
415MOBMAT 0.903d 64-bit1883+25−2537.5%+110.316.0%668
56.9%
416GChess IV 0.2.01880+21−2141.2%+65.328.8%855
58.0%
417CDrill 1800 build 41877+23−2441.4%+73.415.5%741
77.5%
418Predateur 2.2 64-bit1858+41−4239.6%+80.018.1%216
76.6%
419Skiull 0.3 64-bit1840+23−2445.2%+35.824.8%660
53.9%
420‑421BeRoChess 1.00 32-bit1838+37−3837.4%+98.722.9%266
50.6%
420‑421Sayuri 2018.03.06 64-bit1838+26−2642.8%+56.516.0%600
52.4%
422Roce 0.03901837+27−2743.4%+49.320.4%539
51.2%
423Pigeon 1.5.1 64-bit1836+27−2740.5%+69.726.1%502
58.6%
424Ajedrez Tactico 2.73b1832+26−2642.4%+61.618.6%598
51.2%
425JSBam 0.521831+30−2881.9%−268.515.7%626
59.3%
426Apollo 1.2.1 64-bit1826+22−2254.3%−33.519.0%832
73.3%
427Chenard 2018.03.06 64-bit1817+19−1949.3%+5.817.0%1143
58.9%
428RataAeroespacial 0.2.11815+13−1342.5%+64.012.9%2478
58.8%
429Ranita 2.41812+26−2648.7%+4.416.2%653
78.8%
430Lodocase 2402081796+27−2753.8%−25.515.6%546
63.7%
431Robin 0.9831789+28−2851.0%−8.813.3%566
51.6%
432Ziggurat 0.18 64-bit1788+42−4329.3%+161.424.3%222
53.6%
433Mint 2.31786+27−2757.7%−63.620.1%556
51.8%
434Grizzly 1.40.1b1785+27−2756.0%−49.410.3%592
92.5%
435Pulsar 2009-9b1759+24−2449.9%−5.922.6%694
60.0%
436Zoidberg 0.11754+26−2654.9%−42.617.9%592
89.3%
437Enigma 1.1.41735+15−1541.8%+67.917.1%1840
64.5%
438Kanguruh 1.931730+23−2352.4%−16.719.4%754
88.0%
439Shallow Blue 2.0.0 64-bit1711+22−2252.1%−19.518.6%776
83.6%
440Tom Thumb 0.2 64-bit1697+19−1951.8%−14.622.7%1020
54.9%
441Laurifer 1.01695+23−2352.3%−20.617.0%777
54.4%
442EnkoChess 2908181693+23−2350.3%−1.018.5%731
53.9%
443TSCP 1.811692+19−1947.4%+21.317.0%1072
70.2%
444AdaChess 3.4 64-bit1684+23−2349.3%+6.721.5%708
69.9%
445Spartan 1.01674+25−2563.5%−103.421.2%624
67.4%
446Philemon C1666+25−2462.3%−94.822.0%626
59.4%
447VanillaChess 2.6g1662+25−2561.5%−89.220.2%624
99.1%
448SdBC 0.5.15.11622+24−2456.6%−48.527.2%624
59.0%
449Rainman 0.7.51618+24−2456.0%−44.725.2%624
57.4%
450Pulse 1.6.1 64-bit1614+21−2142.4%+66.614.3%928
83.0%
451Monochrome1601+17−1749.3%+10.028.8%1300
62.8%
452Bullitchess 1.0 64-bit1596+25−2452.2%−19.119.1%628
69.8%
453Needle 0.5311588+16−1648.8%+19.327.2%1418
75.4%
454Casper rev4 64-bit1578+24−2450.2%−2.123.9%624
60.5%
455PolarChess 1.31574+25−2549.3%+2.916.9%629
56.3%
456‑457Darky 0.5d1571+24−2443.5%+55.720.8%677
49.7%
456‑457Storm 0.61571+21−2138.3%+94.715.0%925
74.3%
458Damas 91559+25−2547.8%+17.617.6%626
76.1%
459IQ23.0031547+21−2133.6%+118.132.6%854
72.6%
460Cicada 0.1 64-bit1536+24−2444.1%+48.019.7%636
65.6%
461MSCP 1.6h1529+25−2544.0%+50.415.1%628
99.8%
462Apep 1.011478+25−2541.2%+72.810.1%683
79.1%
463Saruman 2017.08.10 64-bit1466+18−1830.7%+151.427.2%1249
95.8%
464Pooky 2.71439+25−2631.5%+144.317.1%626
75.7%
465Dreamer 0.3.0 64-bit1425+25−2633.9%+122.416.9%640
96.5%
466Hokus-Pokus 0.6.31389+27−2826.7%+197.211.0%628
72.5%
467BACE 0.461378+23−2421.5%+256.69.8%1027
 

Results matrix

All engines (top 12, best versions only)
#NameElo1
Stock
2
Fat F
3
Drago
4
RubiC
5
Igel
6
Houdi
7
SlowC
8
Ether
9
Fire
10
Nemor
11
Lc0 0
12
Booot
1Stockfish 13 64-bit 4CPU3548 26 − 26
+0−0=52
−24		29 − 21
+8−0=42
−12		15 − 5
+10−0=10
+16		26.5 − 7.5
+19−0=15
+28		39.5 − 12.5
+27−0=25
+10		41.5 − 10.5
+31−0=21
+41		43 − 13
+30−0=26
+11		38.5 − 11.5
+27−0=23
+2		40 − 12
+28−0=24
+3		27 − 11
+16−0=22
−92		22.5 − 9.5
+13−0=19
−100
2Fat Fritz 2 (in SF) 64-bit 4CPU352426 − 26
+0−0=52
+24		 19.5 − 14.5
+6−1=27
+9		15.5 − 4.5
+11−0=9
+61		24.5 − 9.5
+15−0=19
+3		23 − 11
+13−1=20
−24		22 − 10
+13−1=18
−22		25.5 − 8.5
+17−0=17
+19		41.5 − 12.5
+29−0=25
+26		22 − 10
+12−0=20
−35		28.5 − 11.5
+17−0=23
−67		26 − 6
+20−0=12
+18
3Dragon by Komodo 64-bit 4CPU349621 − 29
+0−8=42
+12		14.5 − 19.5
+1−6=27
−9		 33 − 17
+17−1=32
+5		21.5 − 12.5
+9−0=25
−28		25 − 9
+16−0=18
+41		22.5 − 11.5
+11−0=23
−12		45.5 − 30.5
+18−3=55
−52		35.5 − 18.5
+17−0=37
−28		22.5 − 9.5
+13−0=19
+4		30.5 − 9.5
+21−0=19
−1		35.5 − 10.5
+25−0=21
+6
4RubiChess 2.1 64-bit 4CPU34105 − 15
+0−10=10
−16		4.5 − 15.5
+0−11=9
−61		17 − 33
+1−17=32
−5		 25.5 − 24.5
+2−1=47
−6		8 − 12
+0−4=16
−63		10.5 − 9.5
+3−2=15
−5		9 − 11
+1−3=16
−44		31 − 19
+16−4=30
+41		10 − 10
+1−1=18
−29		45 − 23
+24−2=42
+11		13 − 7
+7−1=12
+6
5Igel 3.0.0 64-bit 4CPU33997.5 − 26.5
+0−19=15
−28		9.5 − 24.5
+0−15=19
−3		12.5 − 21.5
+0−9=25
+28		24.5 − 25.5
+1−2=47
+6		 19 − 13
+8−2=22
+50		16 − 18
+2−4=28
−18		14.5 − 17.5
+1−4=27
−31		14 − 16
+4−6=20
−32		15 − 15
+5−5=20
−17		18.5 − 11.5
+8−1=21
−3		29.5 − 16.5
+15−2=29
+10
6Houdini 6 64-bit 4CPU339712.5 − 39.5
+0−27=25
−10		11 − 23
+1−13=20
+24		9 − 25
+0−16=18
−41		12 − 8
+4−0=16
+63		13 − 19
+2−8=22
−50		 17.5 − 14.5
+5−2=25
+20		15.5 − 14.5
+4−3=23
+1		27.5 − 26.5
+6−5=43
−9		20.5 − 15.5
+7−2=27
+20		26.5 − 11.5
+18−3=17
+58		20 − 12
+10−2=20
+6
7SlowChess Blitz 2.5 64-bit 4CPU339410.5 − 41.5
+0−31=21
−41		10 − 22
+1−13=18
+22		11.5 − 22.5
+0−11=23
+12		9.5 − 10.5
+2−3=15
+5		18 − 16
+4−2=28
+18		14.5 − 17.5
+2−5=25
−20		 17 − 15
+7−5=20
+12		27 − 27
+8−8=38
−10		18 − 14
+5−1=26
+19		24 − 14
+11−1=26
+8		17 − 15
+7−5=20
−43
8Ethereal 12.75 64-bit 4CPU339013 − 43
+0−30=26
−11		8.5 − 25.5
+0−17=17
−19		30.5 − 45.5
+3−18=55
+52		11 − 9
+3−1=16
+44		17.5 − 14.5
+4−1=27
+31		14.5 − 15.5
+3−4=23
−1		15 − 17
+5−7=20
−12		 26.5 − 27.5
+7−8=39
−12		17 − 15
+5−3=24
+6		21 − 17
+7−3=28
−29		18.5 − 13.5
+6−1=25
−17
9Fire 8 64-bit 4CPU338311.5 − 38.5
+0−27=23
−2		12.5 − 41.5
+0−29=25
−26		18.5 − 35.5
+0−17=37
+28		19 − 31
+4−16=30
−41		16 − 14
+6−4=20
+32		26.5 − 27.5
+5−6=43
+9		27 − 27
+8−8=38
+10		27.5 − 26.5
+8−7=39
+12		 24.5 − 27.5
+6−9=37
−16		21.5 − 14.5
+9−2=25
+3		30 − 16
+14−0=32
+31
10Nemorino 6.00 64-bit 4CPU338212 − 40
+0−28=24
−3		10 − 22
+0−12=20
+35		9.5 − 22.5
+0−13=19
−4		10 − 10
+1−1=18
+29		15 − 15
+5−5=20
+17		15.5 − 20.5
+2−7=27
−20		14 − 18
+1−5=26
−19		15 − 17
+3−5=24
−6		27.5 − 24.5
+9−6=37
+16		 32.5 − 19.5
+20−7=25
+26		 
11Lc0 0.27.0 w703810 64-bit 4CPU333311 − 27
+0−16=22
+92		11.5 − 28.5
+0−17=23
+67		9.5 − 30.5
+0−21=19
+1		23 − 45
+2−24=42
−11		11.5 − 18.5
+1−8=21
+3		11.5 − 26.5
+3−18=17
−58		14 − 24
+1−11=26
−8		17 − 21
+3−7=28
+29		14.5 − 21.5
+2−9=25
−3		19.5 − 32.5
+7−20=25
−26		 50 − 46
+22−18=56
+9
12Booot 6.5 64-bit 4CPU33329.5 − 22.5
+0−13=19
+100		6 − 26
+0−20=12
−18		10.5 − 35.5
+0−25=21
−6		7 − 13
+1−7=12
−6		16.5 − 29.5
+2−15=29
−10		12 − 20
+2−10=20
−6		15 − 17
+5−7=20
+43		13.5 − 18.5
+1−6=25
+17		16 − 30
+0−14=32
−31		 46 − 50
+18−22=56
−9		 
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
Rub
5
Ige
6
Hou
7
Slo
8
Eth
9
Fir
10
Nem
11
Lc0
12
Boo
1Stockfish 13 64-bit 4CPU3548 96.8100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Fat Fritz 2 (in SF) 64-bit 4CPU35243.2 99.1100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Dragon by Komodo 64-bit 4CPU34960.00.9 100.0100.0100.0100.0100.0100.0100.0100.0100.0
4RubiChess 2.1 64-bit 4CPU34100.00.00.0 75.583.185.291.396.596.8100.0100.0
5Igel 3.0.0 64-bit 4CPU33990.00.00.024.5 57.364.174.987.488.9100.0100.0
6Houdini 6 64-bit 4CPU33970.00.00.016.942.7 60.376.290.692.9100.0100.0
7SlowChess Blitz 2.5 64-bit 4CPU33940.00.00.014.835.939.7 62.980.983.1100.0100.0
8Ethereal 12.75 64-bit 4CPU33900.00.00.08.725.123.837.1 72.675.8100.0100.0
9Fire 8 64-bit 4CPU33830.00.00.03.512.69.419.127.4 53.7100.0100.0
10Nemorino 6.00 64-bit 4CPU33820.00.00.03.211.17.116.924.246.3 100.0100.0
11Lc0 0.27.0 w703810 64-bit 4CPU33330.00.00.00.00.00.00.00.00.00.0 53.0
12Booot 6.5 64-bit 4CPU33320.00.00.00.00.00.00.00.00.00.047.0 
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

1'242'291 games (233.07 MB)

All games with comments

1'242'291 games (723.84 MB)

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

Various statistics

Created in 2005-2013 by CCRL team
Last games added on May 8, 2021