CCRL 40/15
Downloads and Statistics
January 16, 2021
Testing summary:
Total: 1'206'633 games
played by 2'770 programs

White wins: 414'929 (34.4%)
Black wins: 305'861 (25.3%)
Draws: 485'843 (40.3%)
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 January 16, 2021 with Bayeselo based on 1'206'633 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+−
1ShashChess 15.0 64-bit 4CPU3534+27−2676.5%−175.146.9%490 
99.1%
2Dragon by Komodo 64-bit 4CPU3485+30−3064.6%−88.165.6%305
100.0%
3Houdini 6 64-bit 4CPU3400+11−1160.6%−66.462.3%2604
71.6%
4Ethereal 12.75 64-bit 4CPU3393+21−2152.9%−15.170.3%630
84.5%
5Nemorino 6.00 64-bit 4CPU3377+26−2554.7%−34.961.0%438
80.5%
6Igel 2.8.0 64-bit 4CPU3360+28−2761.8%−66.161.3%359
57.7%
7SlowChess Blitz 2.4 64-bit 4CPU3357+23−2349.6%+4.067.9%492
90.1%
8Xiphos 0.6 64-bit 4CPU3339+15−1645.1%+30.266.4%1128
95.4%
9Fire 7.1 64-bit 4CPU3322+11−1150.7%−4.262.1%2404
76.1%
10RofChade 2.3 64-bit 4CPU3315+17−1741.6%+50.266.7%924
66.9%
11Pedone 3.0 64-bit 4CPU3306+36−3737.5%+78.657.1%212
61.7%
12Booot 6.4 64-bit 4CPU3300+17−1739.5%+62.963.9%957
66.9%
13RubiChess 1.8 64-bit 4CPU3294+20−2035.0%+90.961.9%712
64.5%
14Laser 1.7 64-bit 4CPU3290+14−1342.0%+48.862.7%1597
82.7%
15Defenchess 2.2 64-bit 4CPU3280+15−1540.4%+60.860.0%1245
57.3%
16‑17Deep Shredder 13 64-bit 4CPU3279+10−1045.2%+29.062.1%2939
50.1%
16‑17Fritz 17 64-bit 4CPU3279+17−1740.5%+55.962.2%966
72.1%
18Fizbo 2 64-bit 4CPU3272+12−1243.3%+42.154.9%2131
68.5%
19Schooner 2.2 64-bit 4CPU3265+26−2645.6%+28.460.7%420
56.3%
20Andscacs 0.95 64-bit 4CPU3263+17−1742.3%+47.559.3%943
99.8%
21Arasan 21.4 64-bit 4CPU3218+25−2545.0%+25.855.6%464
97.8%
22Chiron 4 64-bit 4CPU3189+12−1241.6%+57.252.4%2338
63.9%
23Vajolet2 2.7 64-bit 4CPU3184+25−2552.3%−14.155.8%459
61.5%
24Gull 3 64-bit 4CPU3180+9−942.5%+48.154.2%3783
52.5%
25NirvanaChess 2.4 64-bit 4CPU3179+13−1341.7%+56.054.2%1828
78.2%
26Equinox 3.20 64-bit 4CPU3173+11−1142.2%+50.259.0%2671
64.2%
27ChessBrainVB 3.72 4CPU3167+30−3045.0%+30.351.3%320
69.6%
28Critter 1.6a 64-bit 4CPU3158+8−845.3%+32.054.6%5429
68.3%
29Hannibal 1.7 64-bit 4CPU3154+14−1442.3%+48.254.5%1577
74.9%
30Bouquet 1.8 64-bit 4CPU3148+11−1143.6%+41.556.7%2427
60.6%
31Rybka 4 64-bit 4CPU3146+10−1048.7%+7.851.0%3180
74.4%
32Texel 1.07 64-bit 4CPU3140+14−1449.5%+5.749.2%1620
59.0%
33Protector 1.9.0 64-bit 4CPU3138+15−1546.4%+24.853.9%1338
56.6%
34‑35Alfil 15.7 64-bit 4CPU3136+17−1742.9%+48.456.3%1006
50.2%
34‑35Lc0 0.24.0 w591226 64-bit3136+34−3449.8%−2.952.8%252
56.7%
36Wasp 3.75 64-bit 4CPU3132+29−2948.9%+4.456.3%352
57.3%
37Winter 0.9 64-bit3129+20−2048.9%+4.549.8%745
69.8%
38‑39BlackMamba 2.0 64-bit 4CPU3122+15−1544.2%+37.754.3%1408
49.3%
38‑39iCE 4.0 64-bit 4CPU3122+27−2747.9%+10.552.3%400
53.7%
40Orion 0.8 64-bit3120+33−3351.0%−10.357.9%259
54.6%
41Combusken 1.4.0 64-bit3118+24−2450.1%+0.655.9%492
67.8%
42Halogen 9 64-bit3110+26−2747.2%+14.753.4%410
54.9%
43Senpai 2.0 64-bit 4CPU3108+19−1951.5%−12.048.7%816
69.1%
44Strelka 5.5 64-bit3102+7−645.6%+32.248.1%9977
61.5%
45Beef 0.3.6 64-bit3098+27−2745.8%+26.050.2%402
59.3%
46Naum 4.6 64-bit 4CPU3094+14−1448.1%+12.054.3%1544
68.7%
47Demolito 2020-05-14 64-bit3088+19−1951.5%−12.051.0%783
81.9%
48chess22k 1.14 64-bit3076+17−1750.1%−0.953.7%1032
59.4%
49Amoeba 3.1 64-bit 4CPU3072+34−3442.1%+47.849.6%254
55.2%
50‑51Koivisto 4.0 64-bit3069+24−2450.5%−4.250.7%505
48.9%
50‑51Rodent III 0.238 64-bit 4CPU3069+20−2047.2%+15.050.0%742
69.2%
52Topple 0.7.5 64-bit 4CPU3060+29−2953.2%−19.745.3%360
62.8%
53Minic 2.46 64-bit3054+23−2352.5%−18.445.1%594
51.8%
54‑55Hiarcs 14 4CPU3053+13−1342.8%+43.651.2%1894
49.8%
54‑55Seer 1.2.1 64-bit3053+27−2754.8%−33.945.7%444
58.0%
56Marvin 4.0.0 64-bit3050+22−2250.0%−1.353.9%625
88.5%
57Fat Fritz Junior w510 64-bit3029+26−2650.5%−5.942.7%459
57.7%
58Deep Junior 13 64-bit 4CPU3026+16−1643.5%+41.049.9%1161
53.3%
59‑61Bobcat 8.0 64-bit 4CPU3025+21−2148.3%+11.353.5%636
51.3%
59‑61Pirarucu 2.7.4 64-bit 4CPU3025+21−2053.6%−27.747.6%735
48.9%
59‑61SmarThink 1.98 64-bit3025+13−1349.6%−0.541.8%2003
85.9%
62Spike 1.4 Leiden 4CPU3015+11−1145.2%+29.847.7%2862
59.2%
63Crafty 25.2 64-bit 4CPU3013+16−1648.5%+9.442.5%1279
64.6%
64Cheng 4.39 64-bit 4CPU3009+15−1549.4%+4.148.6%1333
68.1%
65Monolith 2 64-bit3003+17−1749.1%+4.250.8%1035
66.4%
66Hakkapeliitta TCEC v2 64-bit2999+13−1349.7%−4.742.5%1988
60.7%
67Bagatur 2.2 64-bit2995+19−1849.9%+1.147.9%881
80.2%
68‑70FabChess 1.16 64-bit2983+21−2157.3%−52.042.3%728
50.2%
68‑70Scorpio 2.8 64-bit 4CPU2983+25−2548.8%+7.046.3%492
49.3%
68‑70Weiss 1.2 64-bit2983+18−1856.9%−51.539.2%1006
55.5%
71Deuterium 2019.2.37.73 64-bit2982+16−1648.2%+9.648.8%1248
53.2%
72Godel 7.0 64-bit2981+18−1748.8%+4.541.5%1050
78.3%
73EXchess 7.97b 64-bit 4CPU2970+17−1847.4%+19.145.9%1017
57.5%
74‑75Spark 1.0 64-bit 4CPU2968+13−1345.0%+32.446.6%1787
51.9%
74‑75Zappa Mexico II 64-bit 4CPU2968+10−1048.3%+9.248.1%3270
84.4%
76Toga II 4.0 64-bit 4CPU2957+19−1841.4%+56.640.4%958
88.7%
77Gaviota 1.0 64-bit 4CPU2941+16−1647.3%+16.745.4%1256
56.1%
78‑79Deep Sjeng c't 20102940+10−1046.4%+23.045.9%3392
49.4%
78‑79Tucano 7.07 64-bit 4CPU2940+33−3351.5%−9.744.7%291
53.4%
80The Baron 3.44 64-bit 4CPU2938+28−2846.8%+21.245.3%402
62.2%
81Onno 1.2.70 64-bit 4CPU2933+19−1947.3%+16.348.3%810
69.5%
82Thinker 5.4d Inert 64-bit 4CPU2925+23−2346.0%+24.349.7%587
73.7%
83Dirty CUCUMBER 64-bit2917+12−1250.1%−1.944.1%2200
58.6%
84DisasterArea 1.65 64-bit 4CPU2914+21−2144.2%+36.146.1%709
52.9%
85Francesca MAD 0.29 64-bit2913+22−2150.7%−2.745.7%668
53.2%
86‑87Asymptote 0.8 64-bit2912+20−2047.6%+14.642.6%772
50.2%
86‑87Gogobello 2.0 64-bit 4CPU2912+25−2550.8%−7.339.1%522
61.4%
88Counter 3.5 64-bit2907+20−2054.1%−30.841.1%834
59.0%
89Quazar 0.4 64-bit2904+10−1048.2%+10.943.5%3200
70.3%
90DiscoCheck 5.2 64-bit2899+17−1848.4%+8.843.4%1032
54.9%
91Atlas 3.91 64-bit2897+13−1349.7%−1.839.5%1948
57.8%
92‑94Bright 0.4a 4CPU2895+15−1547.4%+17.341.1%1495
52.6%
92‑94Glaurung 2.2 64-bit 4CPU2895+16−1647.0%+18.740.7%1259
48.8%
92‑94Tornado 6.0 64-bit 4CPU2895+26−2645.5%+27.743.3%469
68.0%
95Octochess r5506 64-bit 4CPU2887+21−2144.5%+35.846.7%715
55.9%
96MinkoChess 1.3 64-bit 4CPU2885+21−2146.0%+24.343.7%725
65.4%
97Stash 23.0 64-bit2878+28−2852.8%−20.343.9%392
51.0%
98Invictus r305 64-bit2877+18−1848.8%+7.942.1%1012
99.5%
99Loop M1-T 64-bit 4CPU2848+12−1243.2%+43.345.2%2447
57.8%
100Nemo 1.0.1 64-bit2847+12−1248.1%+11.342.9%2368
61.2%
101Shield 2.1 64-bit 4CPU2843+23−2448.7%+9.236.0%594
51.0%
102Cheese 2.0 64-bit 4CPU2842+30−3045.8%+26.539.2%355
53.9%
103Mr Bob 0.9.0 64-bit2840+26−2655.5%−40.937.0%497
56.9%
104BugChess2 1.9 64-bit 4CPU2837+21−2143.4%+44.638.2%738
79.9%
105Zurichess Neuchatel 64-bit2826+13−1346.9%+18.743.2%2061
65.3%
106Murka 3 64-bit2823+12−1248.1%+10.743.8%2150
65.9%
107tomitankChess 4.0 64-bit2818+22−2249.6%−0.145.3%667
56.8%
108Jonny 4.00 4CPU2815+25−2543.6%+42.235.0%540
56.0%
109GNU Chess 5.60 64-bit2812+16−1648.6%+8.041.8%1235
95.1%
110GnuCheese 1.00 64-bit2794+16−1649.1%+3.440.5%1313
53.5%
111Rhetoric 1.4.3 64-bit2793+12−1249.1%+2.640.1%2319
54.5%
112RuyDos 1.1.9 64-bit2792+15−1448.5%+7.837.5%1620
90.7%
113Pawny 1.2 64-bit2778+13−1348.1%+11.939.8%1858
66.6%
114Naraku 1.42774+16−1648.4%+10.926.2%1468
56.0%
115Frenzee 3.5.19 64-bit2772+14−1448.1%+11.534.5%1759
58.2%
116Twisted Logic 20100131x 64-bit2770+16−1649.3%+2.735.1%1359
92.2%
117Bison 9.11 64-bit2756+13−1349.5%+0.635.5%2051
65.1%
118Ktulu 92752+12−1246.6%+22.239.1%2270
58.5%
119Fridolin 3.10 64-bit 4CPU2748+33−3349.5%−0.231.5%308
55.1%
120Devel 3.2.92745+24−2447.1%+18.036.9%566
65.0%
121Chronos 1.9.9 32-bit2739+17−1750.3%−0.143.2%1182
59.6%
122Carballo 1.7 64-bit2737+14−1449.2%+5.140.1%1692
63.3%
123Arminius 2018-12-23 64-bit2734+12−1249.5%+1.534.1%2308
74.3%
124Nebula 2.0 64-bit 4CPU2725+20−2045.1%+36.134.1%866
64.7%
125ProDeo 2.22720+17−1748.0%+11.736.9%1221
61.8%
126GreKo 2018.12 64-bit2716+24−2447.7%+13.246.4%509
62.2%
127K2 0.992708+40−4141.2%+60.032.4%204
57.8%
128‑129Chess Tiger 2007.12704+10−1046.5%+22.642.8%3286
50.3%
128‑129Chessmaster 11 Archangel2704+20−2046.9%+20.139.6%852
59.5%
130ECE 20.1 64-bit2700+22−2249.5%+3.927.6%736
62.5%
131DanaSah 8.32695+19−1947.6%+13.039.2%896
70.9%
132Delfi 5.42689+12−1148.2%+11.439.8%2606
58.8%
133Hamsters 0.7.1 4CPU2685+32−3252.4%−14.036.2%318
54.3%
134RedQueen 1.1.98 64-bit 4CPU2683+27−2739.4%+80.228.5%494
50.8%
135WyldChess 1.51 64-bit2682+15−1547.6%+12.934.1%1503
57.7%
136Daydreamer 1.75 64-bit2680+16−1648.5%+10.440.0%1235
68.2%
137Pharaon 3.5.1 4CPU2673+26−2643.6%+41.429.7%518
63.0%
138‑139Djinn 1.021 64-bit2668+13−1348.4%+9.636.7%1975
48.7%
138‑139Shallow 2020-09-09 64-bit2668+27−2754.2%−26.637.9%448
53.1%
140Jellyfish 1.1 64-bit 4CPU2667+29−2953.3%−25.532.3%403
51.1%
141Movei 00.8.438 (10 10 10)2666+11−1147.5%+14.736.9%2873
67.0%
142Drosophila 1.6 64-bit2661+22−2248.9%+8.935.3%678
50.8%
143Alaric 7072660+11−1249.3%+3.934.2%2689
59.5%
144Floyd 0.9 64-bit2658+14−1449.2%+5.429.1%1726
64.9%
145‑146Ghost 3.1 64-bit 4CPU2651+30−2953.9%−25.528.5%393
51.2%
145‑146Philou 3.7.1 64-bit2651+13−1348.3%+10.036.9%1942
56.1%
147‑148Cyrano 0.6b17 64-bit2649+21−2148.3%+9.236.4%756
47.9%
147‑148E.T. Chess 13.01.082649+13−1349.1%+6.036.3%1930
57.9%
149Rotor 0.7a2647+21−2150.3%−4.035.5%724
56.3%
150Gandalf 7 64-bit2645+18−1848.4%+8.832.8%1059
55.4%
151Colossus 2008b2643+12−1249.0%+4.738.6%2176
85.7%
152Sjakk 2.2 64-bit2632+15−1549.2%+4.838.7%1425
56.9%
153Nawito 19062630+20−2050.2%−0.135.5%823
54.3%
154WildCat 82629+13−1348.6%+8.334.2%2015
54.3%
155Rodin 8.02628+15−1549.1%+4.138.3%1439
52.7%
156Delocto 0.61n 64-bit2627+23−2350.6%−5.440.4%586
60.3%
157‑158NoraGrace 2.0 64-bit2623+15−1550.3%−4.227.9%1545
48.8%
157‑158Ruffian 2.1.02623+13−1348.7%+8.337.6%2061
68.1%
159Phalanx XXV2619+15−1549.6%+2.032.3%1501
51.9%
160Caligula 0.9g2618+21−2153.7%−28.329.8%784
69.7%
161Sloppy 0.2.2 64-bit2611+16−1648.4%+7.632.9%1310
54.6%
162Betsabe II 20202609+30−3049.9%−0.633.6%366
57.5%
163Donna 4.0 64-bit2606+15−1550.2%−2.336.3%1432
50.6%
164KnightX 2.4 64-bit2605+29−2953.4%−24.134.0%406
68.7%
165Glass 2.0 64-bit2598+13−1348.5%+10.232.9%1933
55.6%
166‑167Aristarch 4.502596+12−1248.5%+11.732.0%2606
50.9%
166‑167Muse 0.953 64-bit2596+16−1648.9%+5.734.7%1310
56.8%
168N2 0.4 64-bit2594+16−1649.9%+0.435.5%1362
60.8%
169‑171Galjoen 0.40 64-bit2591+20−2050.9%−9.332.9%846
48.7%
169‑171Petir 4.392591+19−1948.6%+6.737.8%904
51.5%
169‑171Pseudo 0.7c2591+13−1349.8%+1.037.7%1994
52.7%
172‑173Amyan 1.722590+12−1250.0%−0.231.8%2383
50.3%
172‑173CuckooChess 1.12 32-bit2590+25−2548.8%+8.529.7%539
51.5%
174Brutus 8.05 64-bit2589+21−2149.2%+4.135.0%751
60.6%
175GarboChess 3.0 64-bit2586+16−1649.6%+1.032.1%1350
56.5%
176Coiled 0.6 64-bit2584+12−1250.3%−2.334.1%2391
52.1%
177Drofa 2.1.0 64-bit2583+32−3253.9%−28.827.9%348
53.5%
178Dimitri 4.992581+20−2050.9%−6.130.0%882
82.4%
179Capivara LK 0.09b02f 64-bit2569+17−1649.8%+0.833.2%1240
69.0%
180SOS 5.12564+13−1348.2%+11.034.5%2110
57.7%
181Jumbo 0.7.0 64-bit2562+19−1950.1%−0.433.0%948
62.2%
182‑183Dorky 4.8 64-bit2558+14−1450.1%+0.231.3%1809
48.7%
182‑183JikChess 0.02 64-bit2558+16−1649.5%+1.928.1%1477
54.6%
184Detroid 1.0.1 64-bit2557+18−1851.1%−11.228.5%1049
52.3%
185Velvet 1.0.0 64-bit2556+24−2449.7%+0.430.5%613
51.5%
186Anaconda 2.0.12555+27−2747.9%+12.335.2%458
52.1%
187‑188Delphil 3.2 64-bit 4CPU2554+31−3138.2%+85.630.5%374
50.7%
187‑188Jazz 840 64-bit 4CPU2554+20−2057.8%−64.225.3%1000
52.9%
189Raven 1.0 64-bit2553+23−2351.3%−10.534.0%636
69.5%
190nanoSzachy 4.0 64-bit2545+18−1749.5%+3.231.5%1127
56.6%
191Ufim 8.022543+12−1249.6%+1.431.0%2576
56.5%
192Supernova 2.2.1 64-bit2541+29−2951.2%−9.927.9%408
52.0%
193FrankWalter 2.4.0 64-bit2540+17−1749.7%+1.929.7%1296
54.3%
194AnMon 5.752539+15−1549.0%+6.630.7%1534
57.9%
195Maverick 1.5 64-bit2536+14−1450.4%−4.229.8%1919
65.8%
196Nemeton 1.8 4CPU2530+27−2749.9%+1.727.2%496
53.1%
197Hermann 2.8 64-bit2529+16−1648.8%+8.726.3%1342
52.1%
198‑199Axolotl 1.9 64-bit2528+19−1949.6%+0.831.4%947
49.2%
198‑199OliThink 5.6.9 64-bit2528+27−2743.6%+46.230.3%489
81.8%
200CyberPagno 3.0 64-bit2514+14−1449.5%+0.931.0%1835
52.9%
201Nimzo 82513+28−2845.5%+33.532.2%453
63.8%
202Little Goliath Evolution 3.122507+18−1846.3%+25.333.6%1025
66.1%
203Tao 5.62502+16−1648.5%+11.527.4%1445
58.2%
204Pupsi2 0.092500+16−1649.0%+6.429.3%1286
60.2%
205LittleThought 1.052 64-bit2497+16−1647.8%+14.126.0%1418
56.1%
206Pepito 1.59.2 64-bit2495+17−1748.3%+11.634.5%1203
55.5%
207MadChess 2.2 64-bit2494+14−1548.4%+10.831.6%1640
60.9%
208Green Light Chess 3.01.2.22490+24−2448.1%+11.531.0%596
55.2%
209Yace 0.99.872488+17−1748.5%+11.428.6%1291
56.5%
210Trace 1.362485+20−2049.4%+4.126.9%903
55.1%
211‑212Myrddin 0.87 64-bit 4CPU2483+35−3538.9%+80.928.4%296
49.4%
211‑212Xpdnt 0910072483+15−1548.3%+10.831.3%1588
57.8%
213Cerebro 3.03d2481+17−1749.0%+5.629.1%1241
56.1%
214‑215Bruja 1.9.1 64-bit2479+18−1748.8%+8.826.3%1163
49.5%
214‑215Matacz 1.42479+16−1649.5%+3.032.8%1294
52.5%
216pikoSzachy 4.12478+29−2952.3%−15.830.8%412
54.1%
217SpiderChess 0706032476+20−2048.2%+14.238.9%807
52.9%
218‑219Anatoli 0.35k2475+16−1649.0%+6.031.6%1382
51.6%
218‑219Lozza 1.18 64-bit2475+15−1548.6%+9.833.1%1456
52.7%
220BBChess 1.3b2474+23−2349.2%+5.737.9%589
62.2%
221Quark 2.352469+17−1848.4%+10.928.6%1147
55.9%
222Bumblebee 1.0 64-bit2467+21−2148.4%+8.733.2%746
62.9%
223Giraffe 20150908 64-bit2462+18−1848.9%+8.124.1%1064
86.1%
224Mephisto Gideon Professional2446+24−2448.3%+12.732.8%603
52.0%
225‑226Abrok 5.02445+18−1848.3%+10.429.5%1129
51.0%
225‑226Typhoon 1.00-3482445+30−3048.5%+11.527.2%401
50.8%
227Hussar 0.42444+17−1648.3%+12.030.2%1267
59.6%
228Eeyore 1.52 64-bit2441+17−1748.0%+13.528.0%1223
54.3%
229‑230Bearded N44.5 64-bit2440+20−2048.9%+5.629.8%849
49.8%
229‑230Teki 2 64-bit2440+16−1649.2%+5.322.9%1443
53.9%
231Taltos rev118 64-bit2439+18−1851.1%−8.526.3%1092
52.4%
232‑234King of Kings 2.562438+21−2150.0%−0.924.6%846
51.0%
232‑234Snitch 1.6.2 32-bit2438+22−2248.4%+8.128.0%706
49.8%
232‑234Tunguska 1.1 64-bit2438+18−1849.6%+1.429.8%1035
59.5%
235TJchess 1.3 64-bit2435+17−1748.6%+9.429.7%1184
62.6%
236Homer 2.012430+20−2149.1%+5.832.6%803
61.6%
237NoC 4.20 64-bit2425+24−2449.1%+6.021.4%669
58.9%
238Cmcchess 2.6 64-bit2422+17−1748.5%+9.736.3%1135
53.0%
239‑240Ares 1.005.2.1 64-bit2421+21−2151.0%−7.137.1%765
50.2%
239‑240Kiwi 0.6d 32-bit2421+19−1948.4%+9.227.0%981
52.3%
241Bitfoot 1.0.d9aeb43 64-bit2420+25−2548.8%+8.726.3%563
55.0%
242PostModernist 10162418+18−1848.0%+11.529.8%1100
54.9%
243Gaia 3.5 64-bit2416+21−2149.3%+4.324.9%849
55.2%
244RomiChess P3n 64-bit2415+13−1348.6%+9.534.0%1969
55.5%
245Ifrit m1.8 64-bit2413+17−1848.8%+10.128.6%1151
54.4%
246Diablo 0.5.12412+18−1848.6%+9.332.3%1088
53.1%
247Jonesy 1.0 64-bit2411+21−2149.4%+2.629.9%810
53.7%
248Queen 4.032409+18−1848.4%+9.634.5%1080
53.0%
249Hedgehog 2.0 64-bit2408+32−3254.9%−36.027.9%340
55.4%
250Dragon 4.62405+17−1747.6%+16.332.4%1153
56.2%
251Amy 0.87b2403+24−2449.4%+7.025.7%610
51.5%
252‑253Gosu 0.162402+18−1850.1%−1.927.5%1097
52.9%
252‑253Tigran 2.4n 64-bit2402+17−1749.3%+3.729.6%1263
50.6%
254‑255KnightDreamer 3.32401+27−2749.3%+10.431.3%473
51.3%
254‑255Simplex 0.9.8 64-bit2401+17−1747.5%+16.925.1%1280
62.4%
256‑257Patzer 3.802397+19−1948.0%+15.124.9%1017
50.1%
256‑257Popochin 4.1 64-bit2397+16−1650.6%−3.729.4%1352
54.4%
258Amateur 2.822395+19−1949.2%+4.324.6%983
54.6%
259Alex 2.14a 64-bit2394+18−1849.2%+4.929.9%1051
52.5%
260CT800 1.40 64-bit2393+28−2847.9%+14.228.0%446
54.6%
261Waxman 20142391+20−2048.5%+9.831.6%838
51.4%
262Zevra 2.1.2 r248 64-bit2390+19−1950.1%+0.126.8%947
54.8%
263Sorgenkind 0.42389+14−1550.9%−5.627.7%1724
54.3%
264‑265Googleplex Starthinker 1.6 64-bit2387+18−1849.3%+5.427.6%1057
50.6%
264‑265Sage 3.532387+18−1849.9%+0.927.3%1134
54.6%
266‑267Horizon 4.42386+17−1749.0%+7.025.5%1294
50.3%
266‑267Isa 2.0.83 64-bit2386+25−2553.2%−25.525.6%582
52.2%
268Tytan 9.32385+22−2251.5%−11.825.4%735
50.8%
269Comet B682384+18−1948.3%+12.725.9%1057
52.9%
270Thor's Hammer 2.28 32-bit2383+22−2249.0%+7.228.8%730
91.8%
271Plisk 0.2.7d 64-bit2363+19−1949.0%+6.827.3%1015
64.3%
272Flux 2.2.12358+20−2151.2%−9.630.1%823
64.7%
273Ceibo 0.5 64-bit2351+25−2544.5%+39.924.1%586
56.4%
274Barbarossa 0.6.0 64-bit2349+26−2649.6%+3.327.4%507
64.9%
275Arion 1.72342+18−1848.9%+7.426.9%1079
63.1%
276‑277Aice 0.99.22338+17−1749.4%+3.327.3%1201
48.5%
276‑277Napoleon 1.8 64-bit2338+17−1751.0%−7.330.6%1242
54.6%
278Gibbon 2.60a 64-bit2337+20−2048.4%+9.431.0%833
52.8%
279EveAnn 1.712336+28−2848.4%+12.033.4%416
51.2%
280Butcher 1.61 64-bit2335+30−3048.7%+10.625.2%393
56.6%
281Asterisk 0.62332+18−1847.8%+15.727.0%1161
60.5%
282‑283Amundsen 0.802329+17−1749.1%+6.629.2%1269
48.3%
282‑283FireFly 2.7.2 64-bit2329+16−1647.2%+18.730.0%1406
54.7%
284Zeus 1.272327+25−2549.6%−1.726.5%586
57.9%
285Der Bringer 1.92324+23−2350.0%−0.619.0%746
51.9%
286Chezzz 1.0.32323+19−1950.1%−1.625.2%1040
54.0%
287WChess 1.062322+15−1550.2%−5.829.2%1711
67.6%
288‑289Kingfisher 1.1.1 64-bit2315+27−2750.7%−1.441.6%442
50.2%
288‑289Mediocre 0.42315+27−2748.4%+10.324.0%475
50.9%
290Averno 0.812314+18−1848.3%+13.828.5%1063
78.0%
291Rival 1.0.1 64-bit2303+24−2450.1%−2.927.8%663
51.6%
292‑294Anechka 0.082302+19−1848.8%+10.726.8%1053
49.8%
292‑294Ant 2006-F2302+19−1948.6%+9.324.0%1003
50.9%
292‑294Joker 1.1.142302+19−1949.3%+4.027.2%1020
53.4%
295Fischerle 0.9.80 SE 64-bit2301+20−2047.8%+14.525.7%917
53.3%
296Natwarlal 0.142299+19−1948.6%+11.025.0%1043
58.3%
297‑298Absolute Zero 2.4.7.2 64-bit2297+15−1550.9%−8.722.6%1739
49.9%
297‑298Sungorus 1.4 64-bit2297+18−1847.1%+21.522.3%1197
51.4%
299FoxSEE 5.1.2 64-bit2296+30−3046.3%+27.626.9%383
56.8%
300Dumb 1.3 64-bit2293+21−2150.9%−6.224.1%772
59.0%
301‑302Chaturanga 2.4.32290+19−1949.4%+1.726.5%1027
49.9%
301‑302Matilde 2008 64-bit2290+21−2148.8%+7.829.1%776
67.0%
303AliChess 4.252283+19−1948.5%+9.724.4%1004
75.4%
304Chispa 4.0.32274+17−1749.5%+5.527.1%1180
63.6%
305CeeChess 1.3.2 64-bit2269+25−2546.8%+25.324.6%562
51.8%
306Ayito 0.2.9942268+20−2049.2%+4.022.3%932
78.5%
307Protej 0.5.8c2257+19−1948.5%+11.022.3%1017
58.7%
308Esc 1.162254+22−2247.4%+17.826.2%749
51.0%
309RattateChess 1.0 Nosferatu2253+19−1949.9%+1.227.8%1036
53.7%
310Exacto 0.e 64-bit2252+18−1848.9%+8.032.6%1063
57.4%
311Beowulf 2.4a 64-bit2250+18−1849.6%+0.826.4%1075
61.3%
312Mango Paola Ajedrez 4.12246+19−1948.2%+13.426.4%1017
60.4%
313Weini 0.0.23 64-bit2242+19−1948.7%+10.117.3%1115
59.7%
314Feuerstein 0.4.6.12239+19−1949.1%+5.728.5%944
56.3%
315Atak 6.82237+16−1650.7%−4.723.0%1470
55.5%
316‑317Buzz 0.08 64-bit2235+20−2048.4%+12.323.5%910
48.9%
316‑317RamJet 0.132235+19−1952.3%−17.226.9%1003
62.6%
318‑320Dolphin 1.0 64-bit2231+18−1849.0%+5.424.5%1075
50.7%
318‑320KMTChess 1.2.1 64-bit2231+25−2549.0%+5.524.7%592
49.0%
318‑320SpaceDog 0.97.7 64-bit2231+22−2246.2%+27.525.0%760
66.7%
321Tiny Chess 1.46 64-bit2225+19−1949.0%+6.127.9%1020
54.6%
322MagiC 2 64-bit2223+31−3148.5%+8.832.4%340
53.5%
323Robocide 20170718 64-bit2221+17−1748.4%+11.924.7%1244
57.3%
324Uralochka 1.1b2219+18−1848.9%+8.126.0%1090
61.9%
325‑327ChessKISS 1.7c 64-bit2215+19−1948.6%+9.727.2%1005
48.3%
325‑327Joker2 0.7.7 64-bit2215+20−2047.6%+17.032.6%880
50.4%
325‑327OBender 03.2016 64-bit2215+18−1850.1%−2.324.1%1110
52.4%
328Madeleine 0.22214+22−2246.1%+27.323.3%737
52.7%
329Neurosis 2.32213+24−2449.4%+1.426.1%605
54.7%
330‑331Adam 3.32211+19−1949.4%+3.922.5%1019
50.8%
330‑331ZCT 0.3.24512211+27−2749.4%+3.925.5%478
58.9%
332Latista (Sinobyl) 1.52207+22−2248.6%+7.624.8%749
53.8%
333Baislicka 1.0 64-bit2205+19−1947.3%+20.125.5%962
58.3%
334‑335BlackBishop 1.02203+19−1848.8%+9.027.1%1039
47.8%
334‑335ChessAlex 2.0r42203+20−2046.9%+21.127.3%872
56.7%
336‑337Achillees 1.0 64-bit2200+27−2743.0%+56.120.0%530
50.1%
336‑337Dorpsgek Eve's Temptation 64-bit2200+14−1448.8%+9.224.0%1953
53.8%
338MORA 1.0.02199+26−2651.9%−12.928.1%508
56.9%
339Alf 1.092196+23−2349.4%+0.631.1%634
56.3%
340Alarm 0.93.12193+21−2145.1%+43.819.0%880
52.7%
341‑342Embla 2.0.7 64-bit2192+30−3048.6%+10.327.0%396
50.6%
341‑342NG-Play 9.85 64-bit2192+29−2946.1%+27.527.3%410
54.6%
343GopherCheck 0.2.3 64-bit2190+18−1848.8%+7.731.3%1031
58.1%
344NagaSkaki 5.122187+17−1751.2%−8.526.5%1265
66.9%
345Lime 662182+17−1751.8%−17.720.4%1397
53.2%
346‑347Prophet 2.0 64-bit2180+27−2750.1%−2.026.1%486
50.4%
346‑347Terra 3.42180+24−2449.0%+13.317.3%718
55.5%
348Soldat III 0.187 64-bit2178+21−2148.0%+14.926.3%813
67.8%
349Clever Girl r160 64-bit2171+21−2147.5%+14.824.2%862
62.7%
350Kurt 0.9.2.2 64-bit2166+21−2147.7%+18.124.2%828
57.0%
351ProChess 1.02AD2164+19−1948.4%+6.422.1%1043
51.6%
352‑353Chesley r323 64-bit2163+22−2248.1%+14.520.8%804
50.8%
352‑353Micah 1.0 64-bit2163+25−2544.0%+45.325.4%566
74.0%
354KnockOut 0.7.12153+15−1551.1%−8.026.6%1574
80.7%
355Blitzkrieg rev337 64-bit2142+19−1946.9%+22.826.4%1013
63.8%
356Parrot 07.01.162136+31−3146.6%+25.321.1%394
79.7%
357BikJump 2.01 64-bit2120+19−1948.8%+9.224.4%965
59.8%
358Clarabit 1.00 32-bit2116+22−2247.6%+14.529.9%736
62.1%
359Cinnamon 2.2a 64-bit2112+20−2048.7%+9.325.3%912
60.7%
360King's Out 0.2.42 64-bit2107+22−2248.8%+10.516.6%800
61.1%
361Armageddon 2.3082103+25−2456.6%−55.320.2%678
70.7%
362Bodo 0.2b2093+22−2247.8%+16.620.9%786
66.8%
363Gunborg 1.35 64-bit2087+21−2152.2%−7.527.9%806
51.2%
364Freyr 1.068 64-bit2086+21−2158.3%−63.220.6%859
65.1%
365‑366Small Potato 0.7.0 64-bit2080+21−2153.6%−29.021.3%873
51.0%
365‑366Smash 1.0.3a 64-bit2080+22−2247.9%+17.223.0%768
52.4%
367AdroitChess 0.42079+22−2256.0%−56.115.3%858
53.9%
368‑369BigLion 2.23w2078+21−2146.2%+24.523.3%840
47.8%
368‑369Jabba 1.0 64-bit2078+22−2244.9%+39.021.8%751
57.7%
370Little Wing 0.6.0 64-bit2074+33−3338.8%+87.217.4%356
63.8%
371Matant 5.042067+22−2260.5%−83.822.9%827
71.9%
372Vice 1.0 64-bit2057+25−2549.7%+3.520.7%608
53.1%
373Zeta Dva 0301 64-bit2056+28−2849.0%+9.329.4%446
62.4%
374‑375Ecce 1.0 (rev. 508) 64-bit2050+21−2147.1%+23.618.4%901
49.8%
374‑375Goldfish 1.13.0 64-bit2050+20−2049.9%+2.627.0%870
55.4%
376PLP 16615712048+22−2246.2%+27.624.2%768
55.6%
377Squared-chess 1.3.0 64-bit2046+23−2352.4%−18.221.9%736
53.5%
378Monarch 1.72045+17−1748.2%+18.119.0%1363
50.6%
379Mustang 4.972044+26−2644.7%+36.630.8%533
54.5%
380Matheus 2.32042+23−2345.0%+44.622.8%705
71.3%
381Abbess 2018.02.072033+22−2146.7%+26.419.4%840
53.8%
382ChessMind 0.822032+23−2346.0%+30.219.2%744
54.8%
383Schola 1.1.0 64-bit2030+22−2249.4%+4.023.1%780
53.6%
384‑385Bestia 0.902028+28−2851.4%−6.724.3%469
50.7%
384‑385Faile 1.4.42028+23−2355.2%−28.222.1%774
51.9%
386Arabian Knight 1.55 64-bit2027+25−2546.5%+28.119.4%608
52.7%
387‑388Slibo 0.5.12026+26−2645.5%+33.519.4%573
49.2%
387‑388Wuttang r2 64-bit2026+18−1848.2%+10.822.6%1204
52.0%
389Cupcake 1.1a 64-bit2025+22−2250.5%−2.716.4%804
81.8%
390Bubble 1.52012+19−1943.6%+53.420.5%1101
76.5%
391La Dame Blanche 2.0c2003+15−1550.1%−0.918.7%1766
56.2%
392‑393BibiChess 0.52001+24−2445.7%+31.426.5%607
50.5%
392‑393Oberon 0.042001+24−2451.9%−15.619.4%648
55.4%
394Snowy 0.2 64-bit1998+26−2651.5%−12.119.0%554
54.2%
395BSC 3.91996+37−3745.1%+37.724.0%263
58.5%
396ALChess 1.841991+23−2352.8%−22.526.8%672
69.1%
397Heracles 0.6.161983+19−1947.8%+16.126.8%1034
86.5%
398Dabbaba 5.671965+25−2545.5%+33.626.4%557
53.0%
399BeLL 0.0.41 64-bit1964+22−2250.1%−1.124.5%722
64.3%
400Sissa 2.01958+23−2353.1%−22.830.1%678
55.4%
401Monik 2.2.3 32-bit1955+30−3044.4%+39.527.1%395
53.6%
402Wowl 1.3.81953+26−2745.4%+35.613.3%573
60.0%
403Etude 0.1.21949+22−2250.3%−2.424.5%772
56.2%
404Franky 1.0 64-bit1946+25−2548.8%+8.213.3%640
58.0%
405Micro-Max 4.8 (DM-PII)1943+20−2048.3%+12.526.1%865
60.0%
406MatMoi 7.15.0-cct 32-bit1939+25−2642.7%+55.124.5%568
60.9%
407Eia 0.31934+20−2047.1%+22.724.4%914
83.6%
408Presbyter 1.3.0 64-bit1918+25−2542.2%+55.516.5%638
62.5%
409Clueless 1.41913+18−1843.0%+55.915.3%1232
62.5%
410Reger 0.091909+20−2040.7%+70.422.3%924
56.3%
411Warrior 1.0.31906+19−1944.5%+41.122.5%1072
61.6%
412ChessterfieldCL i5a1902+24−2540.6%+73.220.4%657
56.0%
413Deepov 0.4.1 64-bit1899+24−2444.1%+46.317.3%677
61.2%
414Surprise 4.3b131894+22−2339.5%+82.019.4%768
54.0%
415Sapeli 1.02 64-bit1893+21−2247.9%+14.820.4%796
69.9%
416MOBMAT 0.903d 64-bit1884+25−2637.5%+110.116.0%668
56.9%
417GChess IV 0.2.01881+21−2141.2%+65.028.8%855
58.0%
418CDrill 1800 build 41878+23−2441.4%+72.915.5%741
77.5%
419Predateur 2.2 64-bit1859+41−4239.6%+79.718.1%216
76.6%
420Skiull 0.3 64-bit1841+23−2345.2%+35.624.8%660
54.0%
421BeRoChess 1.00 32-bit1839+37−3837.4%+98.322.9%266
50.6%
422Sayuri 2018.03.06 64-bit1838+26−2642.8%+57.216.0%600
53.6%
423‑424Pigeon 1.5.1 64-bit1837+27−2740.5%+69.426.1%502
48.8%
423‑424Roce 0.03901837+27−2743.4%+50.020.4%539
59.8%
425Ajedrez Tactico 2.73b1833+26−2642.4%+61.318.6%598
51.2%
426JSBam 0.521832+30−2881.9%−268.815.7%626
59.3%
427Apollo 1.2.1 64-bit1827+22−2254.3%−33.819.0%832
73.3%
428Chenard 2018.03.06 64-bit1818+19−1949.3%+5.517.0%1143
58.8%
429RataAeroespacial 0.2.11815+13−1342.5%+64.712.9%2478
58.8%
430Ranita 2.41812+26−2648.7%+5.216.2%653
78.8%
431Lodocase 2402081797+27−2753.8%−25.815.6%546
63.7%
432Robin 0.9831790+28−2851.0%−9.213.3%566
51.6%
433Ziggurat 0.18 64-bit1789+42−4329.3%+161.024.3%222
54.9%
434‑435Grizzly 1.40.1b1786+27−2756.0%−49.810.3%592
48.2%
434‑435Mint 2.31786+27−2757.7%−63.020.1%556
93.2%
436Pulsar 2009-9b1759+24−2449.9%−5.322.6%694
60.0%
437Zoidberg 0.11755+26−2654.9%−43.017.9%592
89.3%
438Enigma 1.1.41736+15−1541.8%+67.717.1%1840
64.5%
439Kanguruh 1.931731+23−2352.4%−17.019.4%754
88.0%
440Shallow Blue 2.0.0 64-bit1712+22−2252.1%−20.018.6%776
83.6%
441Tom Thumb 0.2 64-bit1698+19−1951.8%−15.022.7%1020
54.9%
442Laurifer 1.01696+23−2352.3%−20.917.0%777
54.4%
443EnkoChess 2908181694+23−2350.3%−1.318.5%731
53.9%
444TSCP 1.811692+19−2047.4%+22.017.0%1072
70.2%
445AdaChess 3.4 64-bit1684+23−2349.3%+7.421.5%708
69.9%
446Spartan 1.01675+25−2563.5%−103.621.2%624
67.4%
447Philemon C1667+25−2562.3%−95.022.0%626
59.4%
448VanillaChess 2.6g1663+25−2561.5%−89.520.2%624
99.1%
449SdBC 0.5.15.11622+24−2456.6%−47.727.2%624
59.0%
450Rainman 0.7.51619+24−2456.0%−44.925.2%624
57.4%
451Pulse 1.6.1 64-bit1615+21−2142.4%+66.314.3%928
83.0%
452Monochrome1602+17−1749.3%+9.828.8%1300
62.8%
453Bullitchess 1.0 64-bit1597+25−2552.2%−19.319.1%628
69.8%
454Needle 0.5311589+16−1648.8%+19.027.2%1418
75.4%
455Casper rev4 64-bit1579+24−2450.2%−2.423.9%624
60.5%
456PolarChess 1.31574+25−2549.3%+3.716.9%629
56.3%
457Storm 0.61572+21−2238.3%+94.315.0%925
50.3%
458Darky 0.5d1571+24−2443.5%+56.420.8%677
73.3%
459Damas 91560+25−2547.8%+17.317.6%626
76.1%
460IQ23.0031547+21−2133.6%+118.732.6%854
72.6%
461Cicada 0.1 64-bit1537+24−2544.1%+47.719.7%636
65.6%
462MSCP 1.6h1530+25−2544.0%+50.215.1%628
99.8%
463Apep 1.011479+25−2541.2%+72.410.1%683
79.1%
464Saruman 2017.08.10 64-bit1467+18−1830.7%+151.127.2%1249
95.8%
465Pooky 2.71439+26−2631.5%+145.117.1%626
75.7%
466Dreamer 0.3.0 64-bit1426+25−2633.9%+122.016.9%640
96.5%
467Hokus-Pokus 0.6.31390+27−2826.7%+197.011.0%628
72.5%
468BACE 0.461378+23−2421.5%+257.39.8%1027
 

Results matrix

All engines (top 12, best versions only)
#NameElo1
Shash
2
Drago
3
Houdi
4
Ether
5
Nemor
6
Igel
7
SlowC
8
Xipho
9
Fire
10
RofCh
11
Pedon
12
Booot
1ShashChess 15.0 64-bit 4CPU3534  23 − 9
+14−0=18
−7		21 − 11
+10−0=22
−55		20 − 6
+14−0=12
+10		 21.5 − 8.5
+13−0=17
−49		26 − 6
+20−0=12
+15		27.5 − 4.5
+23−0=9
+53		26.5 − 5.5
+21−0=11
+10		15.5 − 2.5
+13−0=5
+38		25 − 7
+18−0=14
−53
2Dragon by Komodo 64-bit 4CPU3485   45.5 − 30.5
+18−3=55
−38		        
3Houdini 6 64-bit 4CPU34009 − 23
+0−14=18
+7		  15.5 − 14.5
+4−3=23
+1		14 − 12
+4−2=20
−2		 17 − 13
+7−3=20
−6		20.5 − 11.5
+12−3=17
+22		20 − 12
+9−1=22
−11		20.5 − 11.5
+9−0=23
−9		12.5 − 5.5
+7−0=11
+14		24.5 − 7.5
+18−1=13
+75
4Ethereal 12.75 64-bit 4CPU339311 − 21
+0−10=22
+55		30.5 − 45.5
+3−18=55
+38		14.5 − 15.5
+3−4=23
−1		 13.5 − 12.5
+4−3=19
−8		 17 − 13
+6−2=22
−2		17.5 − 12.5
+6−1=23
−11		18.5 − 11.5
+7−0=23
−10		19 − 11
+9−1=20
−5		10.5 − 7.5
+4−1=13
−41		19 − 11
+8−0=22
−22
5Nemorino 6.00 64-bit 4CPU33776 − 20
+0−14=12
−10		 12 − 14
+2−4=20
+2		12.5 − 13.5
+3−4=19
+8		  15.5 − 10.5
+6−1=19
+29		15.5 − 10.5
+6−1=19
+10		13 − 13
+7−7=12
−55		16 − 10
+9−3=14
+5		11.5 − 6.5
+6−1=11
+8		16.5 − 11.5
+6−1=21
−30
6Igel 2.8.0 64-bit 4CPU3360        30 − 21
+14−5=32
+10		32.5 − 18.5
+15−1=35
+30		 30.5 − 20.5
+17−7=27
−2
7SlowChess Blitz 2.4 64-bit 4CPU33578.5 − 21.5
+0−13=17
+49		 13 − 17
+3−7=20
+6		13 − 17
+2−6=22
+2		10.5 − 15.5
+1−6=19
−29		  15.5 − 12.5
+3−0=25
+8		15 − 15
+4−4=22
−35		18.5 − 12.5
+7−1=23
+8		10.5 − 7.5
+6−3=9
−1		18 − 12
+7−1=22
−4
8Xiphos 0.6 64-bit 4CPU33396 − 26
+0−20=12
−15		 11.5 − 20.5
+3−12=17
−22		12.5 − 17.5
+1−6=23
+11		10.5 − 15.5
+1−6=19
−10		 12.5 − 15.5
+0−3=25
−8		 16 − 16
+4−4=24
−15		16 − 16
+4−4=24
−25		9.5 − 6.5
+4−1=11
+14		19.5 − 12.5
+7−0=25
+17
9Fire 7.1 64-bit 4CPU33224.5 − 27.5
+0−23=9
−53		 12 − 20
+1−9=22
+11		11.5 − 18.5
+0−7=23
+10		13 − 13
+7−7=12
+55		21 − 30
+5−14=32
−10		15 − 15
+4−4=22
+35		16 − 16
+4−4=24
+15		 17.5 − 14.5
+4−1=27
+15		10 − 8
+2−0=16
+10		19 − 13
+8−2=22
+29
10RofChade 2.3 64-bit 4CPU33155.5 − 26.5
+0−21=11
−10		 11.5 − 20.5
+0−9=23
+9		11 − 19
+1−9=20
+5		10 − 16
+3−9=14
−5		18.5 − 32.5
+1−15=35
−30		12.5 − 18.5
+1−7=23
−8		16 − 16
+4−4=24
+25		14.5 − 17.5
+1−4=27
−15		 8.5 − 9.5
+3−4=11
−23		17 − 15
+6−4=22
0
11Pedone 3.0 64-bit 4CPU33062.5 − 15.5
+0−13=5
−38		 5.5 − 12.5
+0−7=11
−14		7.5 − 10.5
+1−4=13
+41		6.5 − 11.5
+1−6=11
−8		 7.5 − 10.5
+3−6=9
+1		6.5 − 9.5
+1−4=11
−14		8 − 10
+0−2=16
−10		9.5 − 8.5
+4−3=11
+23		 9.5 − 8.5
+4−3=11
+8
12Booot 6.4 64-bit 4CPU33007 − 25
+0−18=14
+53		 7.5 − 24.5
+1−18=13
−75		11 − 19
+0−8=22
+22		11.5 − 16.5
+1−6=21
+30		20.5 − 30.5
+7−17=27
+2		12 − 18
+1−7=22
+4		12.5 − 19.5
+0−7=25
−17		13 − 19
+2−8=22
−29		15 − 17
+4−6=22
0		8.5 − 9.5
+3−4=11
−8		 
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
Sha
2
Dra
3
Hou
4
Eth
5
Nem
6
Ige
7
Slo
8
Xip
9
Fir
10
Rof
11
Ped
12
Boo
1ShashChess 15.0 64-bit 4CPU3534 99.1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Dragon by Komodo 64-bit 4CPU34850.9 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Houdini 6 64-bit 4CPU34000.00.0 71.695.199.5100.0100.0100.0100.0100.0100.0
4Ethereal 12.75 64-bit 4CPU33930.00.028.4 84.596.999.1100.0100.0100.0100.0100.0
5Nemorino 6.00 64-bit 4CPU33770.00.04.915.5 80.588.399.5100.0100.099.9100.0
6Igel 2.8.0 64-bit 4CPU33600.00.00.43.119.5 57.790.899.499.898.9100.0
7SlowChess Blitz 2.4 64-bit 4CPU33570.00.00.00.911.742.3 90.199.699.899.0100.0
8Xiphos 0.6 64-bit 4CPU33390.00.00.00.00.59.29.9 95.498.094.7100.0
9Fire 7.1 64-bit 4CPU33220.00.00.00.00.00.60.44.6 76.179.798.5
10RofChade 2.3 64-bit 4CPU33150.00.00.00.00.00.20.22.023.9 66.989.4
11Pedone 3.0 64-bit 4CPU33060.00.00.00.00.11.11.05.320.333.1 61.7
12Booot 6.4 64-bit 4CPU33000.00.00.00.00.00.00.00.01.510.638.3 
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

1'206'633 games (226.60 MB)

All games with comments

1'206'633 games (703.62 MB)

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

Various statistics

Created in 2005-2013 by CCRL team
Last games added on January 16, 2021