CCRL 40/15
Downloads and Statistics
July 4, 2020
Testing summary:
Total: 1'159'254 games
played by 2'684 programs

White wins: 400'214 (34.5%)
Black wins: 295'886 (25.5%)
Draws: 463'154 (40.0%)
White score: 54.5%

Open source 4-CPU engines

Comparing 192 engines!
42 best versions of selected engines played 2546 games with each other

CCRL 40/15 Rating List — Open source 4-CPU engines (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 July 4, 2020 with Bayeselo based on 1'159'254 games

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

RankNameRatingScoreAverage
Opponent
DrawsGamesLOS
Elo+
1Stockfish 2019-10-09 64-bit 4CPU3495+27−2673.8%−151.951.1%460 
69.6%
 Stockfish 11 64-bit 4CPU3487+20−2072.5%−142.251.8%772
66.7%
 SugaR NN 1.1 64-bit 4CPU3481+18−1872.7%−148.349.6%992
92.0%
 Stockfish 10 64-bit 4CPU3464+16−1672.0%−146.052.0%1307
53.6%
 SugaR 1.6.1 64-bit 4CPU3462+25−2569.0%−117.957.4%479
67.1%
 Stockfish 270918 64-bit 4CPU3454+28−2777.9%−189.243.3%457
63.6%
 ShashChess 8.0 64-bit 4CPU3448+18−1866.9%−102.162.6%928
82.4%
 SugaR XPrO 1.5.3 64-bit 4CPU3433+24−2471.8%−143.651.3%544
54.8%
 Stockfish 9 64-bit 4CPU3432+15−1572.3%−153.650.5%1423
95.5%
 SugaR XPrO 1.4 64-bit 4CPU3411+20−1972.3%−150.351.8%840
55.6%
 asmFish 051117 64-bit 4CPU3409+20−1969.8%−130.355.7%819
75.3%
 SugaR XPrO 1.2 64-bit 4CPU3399+21−2070.4%−135.952.5%754
63.6%
 ShashChess Pro 1.0 64-bit 4CPU3392+33−3365.6%−93.961.7%256
76.9%
 Stockfish 8 64-bit 4CPU3378+13−1465.1%−96.162.1%1647
64.8%
 SugaR XPrO 1.3 64-bit 4CPU3373+23−2266.0%−102.657.4%598
88.5%
2Ethereal 12.00 64-bit 4CPU3353+23−2351.5%−6.168.0%510
59.7%
 Ethereal 11.75 64-bit 4CPU3349+21−2147.3%+15.365.0%614
77.4%
3Xiphos 0.6 64-bit 4CPU3339+19−1946.3%+23.465.4%774
79.7%
 Ethereal 11.53 64-bit 4CPU3326+23−2252.3%−12.864.0%542
49.3%
 Stockfish 7 64-bit 4CPU3326+15−1567.0%−105.657.3%1304
90.3%
 Xiphos 0.5 64-bit 4CPU3309+19−1943.9%+39.364.2%745
74.6%
 Ethereal 11.25 64-bit 4CPU3300+21−2146.3%+23.565.5%588
51.4%
 Ethereal 11.00 64-bit 4CPU3299+19−1947.0%+18.263.2%778
52.9%
4Booot 6.4 64-bit 4CPU3298+22−2241.7%+49.865.8%546
68.0%
 Stockfish 6 64-bit 4CPU3291+14−1465.3%−94.157.3%1542
67.8%
5Laser 1.7 64-bit 4CPU3286+15−1543.9%+38.362.3%1207
59.7%
6Defenchess 2.2 64-bit 4CPU3283+17−1742.7%+47.161.2%984
58.8%
7RubiChess 1.7.3 64-bit 4CPU3280+27−2757.0%−42.263.6%374
60.2%
 Ethereal 10.55 64-bit 4CPU3275+25−2449.8%−2.257.4%488
63.6%
 Stockfish 5 64-bit 4CPU3269+15−1567.7%−109.154.0%1346
66.8%
8Andscacs 0.95 64-bit 4CPU3264+18−1842.3%+47.359.3%939
53.2%
 Andscacs 0.94 64-bit 4CPU3263+18−1847.2%+18.154.2%907
51.7%
 Booot 6.3.1 64-bit 4CPU3262+15−1543.0%+44.657.4%1366
83.6%
 Xiphos 0.4 64-bit 4CPU3251+18−1943.8%+39.161.1%830
80.3%
 Andscacs 0.921 64-bit 4CPU3240+16−1650.7%−6.647.5%1225
52.0%
 Andscacs 0.93 64-bit 4CPU3239+18−1842.9%+45.654.8%938
66.0%
 Stockfish DD 64-bit 4CPU3234+17−1763.0%−78.456.1%1032
63.0%
 RubiChess 1.6 64-bit 4CPU3229+25−2559.5%−59.050.9%466
70.2%
9Arasan 21.4 64-bit 4CPU3219+25−2545.3%+24.455.7%458
54.8%
 Booot 6.2 64-bit 4CPU3217+14−1442.9%+46.359.3%1517
50.3%
 Laser 1.6 64-bit 4CPU3217+16−1643.5%+43.755.2%1124
81.3%
 Stockfish 4 64-bit 4CPU3206+16−1660.3%−61.259.2%1080
69.1%
 Arasan 21.3 64-bit 4CPU3197+30−3046.7%+26.355.7%314
65.4%
 Ethereal 10.00 64-bit 4CPU3189+20−2053.4%−22.750.8%788
66.5%
10Vajolet2 2.7 64-bit 4CPU3182+25−2552.3%−13.555.2%453
54.6%
11Gull 3 64-bit 4CPU3181+9−942.5%+48.054.2%3783
57.5%
 Xiphos 0.3 64-bit 4CPU3179+21−2149.2%+3.054.2%660
50.3%
 Gull 2.8b 64-bit 4CPU3178+19−1949.1%+4.151.8%797
64.5%
 Arasan 21.2 64-bit 4CPU3171+30−3052.2%−11.760.6%302
58.3%
 Booot 6.1 64-bit 4CPU3168+20−2042.0%+48.960.3%726
50.8%
 Arasan 21.1 64-bit 4CPU3167+27−2751.2%−7.359.5%383
49.8%
12ChessBrainVB 3.72 4CPU3167+30−3045.0%+30.951.3%320
51.9%
 Stockfish 3 64-bit 4CPU3166+21−2156.0%−34.957.8%663
51.3%
 ChessBrainVB 3.74 4CPU3164+128−13046.9%+18.056.3%16
50.6%
 RubiChess 1.5 64-bit 4CPU3163+29−2952.4%−14.254.3%348
78.2%
13Nemorino 5.00 64-bit 4CPU3150+18−1848.1%+9.552.3%878
57.6%
 Stockfish 2.2.2 64-bit 4CPU3147+16−1659.2%−56.453.4%1141
61.9%
 Laser 1.5 64-bit 4CPU3143+20−2049.4%+8.154.5%723
52.2%
 Gull 2.3 64-bit 4CPU3142+17−1747.4%+15.159.3%982
49.5%
 Stockfish 2.3.1 64-bit 4CPU3142+19−1955.4%−32.852.5%846
53.2%
14Texel 1.07 64-bit 4CPU3141+14−1449.5%+5.749.2%1620
59.2%
15Protector 1.9.0 64-bit 4CPU3139+15−1546.4%+24.853.9%1338
58.6%
 Vajolet2 2.6.1 64-bit 4CPU3136+21−2150.8%−4.660.3%605
55.6%
16Igel 2.3.1 64-bit 4CPU3134+27−2750.2%−2.653.2%406
54.0%
 Sting SF 4.8.4 64-bit 4CPU3132+29−2953.3%−21.462.4%330
49.1%
 Sting SF 6 64-bit 4CPU3132+28−2850.8%−6.561.0%354
50.1%
 Texel 1.06 64-bit 4CPU3132+20−2046.1%+25.353.6%739
62.1%
 Stockfish 2.0.1 64-bit 4CPU3127+24−2456.4%−40.848.6%514
56.4%
 ChessBrainVB 3.68 4CPU3124+26−2649.2%+4.051.6%428
49.9%
 Gull 3.1 64-bit 4CPU3124+30−3045.4%+33.445.1%359
49.1%
 Protector 1.8.0 64-bit 4CPU3124+28−2750.4%−1.254.7%386
58.7%
 Arasan 20.4.1 64-bit 4CPU3120+26−2551.7%−10.450.2%452
55.3%
 Sting SF 5 64-bit 4CPU3118+25−2548.1%+12.254.0%465
57.3%
 Stockfish 1.9.1 64-bit 4CPU3114+22−2260.9%−73.046.6%639
53.2%
17IvanHoe 9.46h 64-bit 4CPU3113+14−1453.2%−19.059.5%1542
50.9%
 Stockfish 2.1.1 64-bit 4CPU3113+27−2754.7%−28.948.3%406
60.1%
18Senpai 2.0 64-bit 4CPU3109+19−1951.5%−12.048.7%816
49.1%
 Sting SF 3 64-bit 4CPU3109+21−2147.7%+11.658.5%644
50.2%
 Sting SF 9 64-bit 4CPU3109+28−2848.0%+10.947.2%381
51.9%
 Sting SF 2 64-bit 4CPU3108+27−2748.8%+8.158.1%375
49.5%
19Winter 0.7 64-bit 4CPU3108+25−2645.1%+31.647.1%463
52.0%
 Stockfish 1.8 64-bit 4CPU3107+18−1860.8%−73.350.4%918
52.9%
 ChessBrainVB 3.66 4CPU3106+28−2854.2%−27.148.7%378
55.8%
 Stockfish 1.7.1 64-bit 4CPU3103+19−1960.4%−67.852.6%882
52.4%
 Xiphos 0.2.2 64-bit 4CPU3102+26−2647.3%+14.453.6%414
59.6%
 Gull 2.2 64-bit 4CPU3098+25−2544.5%+31.054.8%469
51.5%
 Vajolet2 2.5 64-bit 4CPU3097+24−2451.5%−9.554.0%493
54.6%
 Nemorino 4.00 64-bit 4CPU3095+22−2250.0%+1.752.9%624
51.5%
 Sting SF 4 64-bit 4CPU3095+23−2341.9%+48.648.9%562
62.1%
 Arasan 20.3 64-bit 4CPU3088+32−3252.5%−19.847.4%302
50.3%
 Laser 1.4 64-bit 4CPU3088+19−1949.6%+0.545.7%843
60.9%
 Texel 1.05 64-bit 4CPU3084+17−1747.3%+19.151.4%1016
76.8%
 Protector 1.7.0 64-bit 4CPU3075+19−1944.1%+36.850.6%834
53.8%
20Amoeba 3.1 64-bit 4CPU3073+34−3442.1%+48.449.6%254
49.6%
 Demolito 2019-04-27 64-bit 4CPU3073+66−6650.0%+0.238.9%72
51.7%
 Nemorino 3.0 64-bit 4CPU3072+27−2747.9%+12.746.1%427
52.0%
 Protector 1.6.0 64-bit 4CPU3071+21−2243.2%+44.350.2%656
51.6%
21Rodent III 0.238 64-bit 4CPU3070+20−2047.2%+15.150.0%742
54.5%
 Rodent III 0.276 64-bit 4CPU3068+29−2949.6%+3.758.2%337
52.7%
 RubiChess 1.3 64-bit 4CPU3067+22−2252.8%−18.044.2%642
53.1%
22Demolito 2018-10-29 64-bit 4CPU3066+30−3048.6%+4.851.9%322
50.7%
 Defenchess 1.1f 64-bit 4CPU3065+18−1851.7%−11.845.3%916
59.7%
23Topple 0.7.5 64-bit 4CPU3061+29−2953.2%−19.945.3%360
55.9%
 Texel 1.04 64-bit 4CPU3058+21−2143.1%+43.047.8%722
56.8%
 Protector 1.5.0 64-bit 4CPU3056+18−1842.5%+47.347.4%952
55.4%
 Amoeba 3.0 64-bit 4CPU3053+26−2654.8%−31.944.8%466
55.5%
 Ethereal 9.00 64-bit 4CPU3051+23−2346.8%+18.745.1%570
65.7%
 Arasan 19.2 64-bit 4CPU3043+31−3151.0%−6.954.8%305
50.0%
 Vajolet2 2.4 64-bit 4CPU3043+19−1947.2%+17.945.7%878
51.7%
 Vajolet2 2.2 64-bit 4CPU3042+27−2747.0%+15.248.7%423
57.3%
 Gull R375 64-bit 4CPU3039+22−2243.4%+36.957.4%605
54.6%
 Stockfish 1.6.3 64-bit 4CPU3037+22−2257.5%−49.945.3%651
66.5%
 Arasan 20.0 64-bit 4CPU3029+30−3047.4%+16.053.4%328
51.6%
 Vajolet2 2.3 64-bit 4CPU3028+31−3145.2%+25.353.5%303
53.9%
24‑25Bobcat 8.0 64-bit 4CPU3026+21−2148.3%+11.353.5%636
51.0%
24‑25Pirarucu 2.7.4 64-bit 4CPU3026+21−2053.6%−27.647.6%735
52.5%
 Pirarucu 2.9.5 64-bit 4CPU3024+33−3350.0%−1.953.2%269
51.6%
 Senpai 1.0 64-bit 4CPU3024+16−1746.2%+20.653.5%1095
64.7%
 Winter 0.6 64-bit 4CPU3016+32−3253.0%−27.435.6%329
54.8%
26‑27Crafty 25.2 64-bit 4CPU3014+16−1648.5%+9.442.5%1279
51.5%
26‑27chess22k 1.10 64-bit 4CPU3014+22−2246.7%+16.243.7%680
53.7%
 Arasan 19.0.1 64-bit 4CPU3012+32−3151.3%−12.340.9%318
49.1%
 Nemorino 2.00 64-bit 4CPU3012+30−3047.0%+16.759.6%302
53.2%
 Laser 1.3 64-bit 4CPU3011+30−3047.2%+15.155.8%321
51.6%
28Cheng 4.39 64-bit 4CPU3010+15−1549.4%+4.048.6%1333
49.6%
 Texel 1.03 64-bit 4CPU3010+31−3150.3%−1.247.0%313
70.6%
 Vajolet2 2.1 64-bit 4CPU2999+25−2550.9%−3.848.5%462
53.6%
 Rodent III 0.210 64-bit 4CPU2997+28−2845.1%+33.042.5%402
74.9%
29Scorpio 2.8 64-bit 4CPU2984+25−2548.8%+6.946.3%492
53.2%
 Protector 1.4.0 64-bit 4CPU2983+19−1942.5%+48.742.9%912
55.2%
 Cheng4 0.38 64-bit 4CPU2981+24−2446.0%+22.842.4%531
53.7%
 Bobcat 7.6 64-bit 4CPU2979+31−3148.6%+8.641.8%318
59.4%
 Arasan 18.3 64-bit 4CPU2973+30−3046.6%+20.946.8%327
55.0%
 Arasan 18.2 64-bit 4CPU2971+28−2851.9%−15.250.3%388
48.2%
30EXchess 7.97b 64-bit 4CPU2971+17−1847.4%+19.145.9%1017
56.5%
 Stockfish 1.5.1 64-bit 4CPU2969+25−2453.7%−23.147.7%495
62.0%
 Demolito 2017-08-26 64-bit 4CPU2964+21−2140.2%+63.240.8%748
50.4%
 Winter 0.5 64-bit 4CPU2964+26−2650.4%−5.938.3%470
53.6%
 Protector 1.3.6 64-bit 4CPU2962+32−3246.6%+18.244.3%307
57.7%
31Toga II 4.0 64-bit 4CPU2958+19−1941.4%+56.740.4%958
51.3%
 EXchess 7.88b 64-bit 4CPU2957+29−2945.4%+29.748.6%356
65.2%
 Crafty 25.0 64-bit 4CPU2950+25−2548.1%+12.347.9%468
55.8%
 Stockfish 1.4 64-bit 4CPU2947+17−1754.2%−28.542.2%1131
53.6%
 Scorpio 2.7.9 64-bit 4CPU2946+22−2246.7%+20.740.5%659
59.1%
32Tucano 7.07 64-bit 4CPU2941+33−3351.5%−9.744.7%291
52.1%
 EXchess 7.51b 64-bit 4CPU2940+32−3249.5%+5.045.6%296
57.0%
33Marvin 3.3.2 64-bit 4CPU2936+36−3743.4%+39.544.7%228
51.3%
 Arasan 17.5 64-bit 4CPU2935+27−2748.4%+9.745.1%406
55.0%
 EXchess 7.71b 64-bit 4CPU2932+28−2853.3%−22.743.2%403
51.8%
 Bobcat 7.1 64-bit 4CPU2931+31−3147.5%+16.345.9%314
50.1%
 Ethereal 8.62 64-bit 4CPU2931+22−2244.2%+35.849.7%600
60.4%
 Arasan 18.0 64-bit 4CPU2926+29−2947.2%+15.741.5%378
58.3%
 Marvin 3.2.0 64-bit 4CPU2922+21−2153.7%−26.243.0%698
58.8%
 Toga II 3.0 4CPU2919+22−2345.6%+26.849.0%592
68.9%
 Crafty 23.8 64-bit 4CPU2909+32−3345.8%+27.347.0%287
61.1%
 Toga II 1.4.1SE 4CPU2904+13−1348.5%+10.541.6%2041
50.8%
 Asymptote 0.6 64-bit 4CPU2903+95−9548.3%+3.056.7%30
54.7%
 Cheng4 0.36c 64-bit 4CPU2897+30−3048.8%+6.046.6%326
53.1%
34Glaurung 2.2 64-bit 4CPU2895+16−1647.0%+19.440.7%1259
70.0%
35Octochess r5506 64-bit 4CPU2888+21−2144.5%+35.846.7%715
56.5%
36MinkoChess 1.3 64-bit 4CPU2886+21−2146.0%+24.143.7%725
52.6%
 Toga II 1.4 beta5c 4CPU2885+18−1851.7%−12.245.8%996
63.8%
 Crafty 24.1 64-bit 4CPU2878+31−3243.5%+41.339.1%322
57.0%
 Scorpio 2.7.6 64-bit 4CPU2874+26−2647.4%+17.144.0%445
65.1%
 Glaurung 2.1 64-bit 4CPU2868+18−1942.8%+50.741.3%946
53.1%
 Bobcat 6.4b 64-bit 4CPU2867+27−2748.3%+11.146.5%415
53.3%
 EXchess 7.18b 64-bit 4CPU2865+33−3347.3%+16.438.4%292
57.9%
 Scorpio 2.7.5 64-bit 4CPU2860+33−3345.7%+24.650.0%266
53.8%
 Arasan 16.3 64-bit 4CPU2858+34−3449.1%+4.240.2%276
49.0%
 Crafty 23.4 64-bit 4CPU2858+34−3446.9%+19.635.7%272
56.4%
37Monolith 1.0 64-bit 4CPU2855+22−2148.6%+8.143.0%693
48.8%
 Scorpio 2.7.7 64-bit 4CPU2855+32−3242.9%+45.241.3%310
54.2%
38Counter 3.2 64-bit 4CPU2853+32−3250.7%−4.640.2%301
57.0%
 Igel 1.9.0 64-bit 4CPU2849+31−3241.0%+59.339.5%324
70.1%
 Crafty 23.3 64-bit 4CPU2837+31−3241.5%+55.138.2%325
67.1%
 Glaurung 2.0.1 64-bit 4CPU2829+17−1743.8%+38.343.5%1100
64.6%
 Octochess r5190 64-bit 4CPU2823+24−2445.9%+23.844.5%555
91.9%
 Crafty 23.1 64-bit 4CPU2791+36−3743.8%+43.136.9%241
53.1%
 Laser 1.0 64-bit 4CPU2789+37−3836.3%+89.639.2%227
58.4%
 Bagatur 1.7a 64-bit 4CPU2774+131−13445.0%+30.820.0%20
55.2%
 Glaurung 1.2.1 64-bit 4CPU2765+19−1940.2%+64.338.1%967
68.8%
 Crafty 23.0 64-bit 4CPU2759+18−1839.0%+77.234.1%1042
68.4%
39Fridolin 3.10 64-bit 4CPU2749+33−3349.5%−0.431.5%308
78.7%
 Scorpio 2.0 32-bit 4CPU2731+24−2433.4%+115.336.7%607
76.3%
 Scorpio 2.1 64-bit 4CPU2719+27−2734.4%+108.631.6%490
80.3%
 Igel 1.4.1 64-bit 4CPU2701+28−2850.7%−6.626.3%448
81.0%
40RedQueen 1.1.98 64-bit 4CPU2683+27−2739.4%+80.828.5%494
88.1%
 RedQueen 1.1.97 64-bit 4CPU2662+22−2245.7%+27.333.3%726
100.0%
 Fridolin 2.00 64-bit 4CPU2589+34−3441.9%+56.831.3%297
95.4%
41Jazz 840 64-bit 4CPU2554+20−1957.8%−64.225.3%1000
91.2%
42Nemeton 1.8 4CPU2530+27−2749.9%+2.127.2%496
92.5%
 Invictus r228 64-bit 4CPU2341+242−29528.6%+166.90.0%7
 

Results matrix

Open source 4-CPU engines (best versions only), top 12
#NameElo123456789101112
1Stockfish 2019-10-09 64-bit 4CPU3495  23 − 7
+16−0=14
+10
 24.5 − 5.5
+19−0=11
+5
27.5 − 4.5
+23−0=9
+53
      
2Ethereal 12.00 64-bit 4CPU3353  16 − 16
+3−3=26
−12
20.5 − 11.5
+10−1=21
+23
16.5 − 13.5
+6−3=21
−41
20 − 12
+8−0=24
−4
      
3Xiphos 0.6 64-bit 4CPU33397 − 23
+0−16=14
−10
16 − 16
+3−3=26
+12
 19.5 − 12.5
+7−0=25
+14
17.5 − 14.5
+7−4=21
−27
20.5 − 11.5
+9−0=23
+19
14.5 − 11.5
+6−3=17
−26
     
4Booot 6.4 64-bit 4CPU3298 11.5 − 20.5
+1−10=21
−23
12.5 − 19.5
+0−7=25
−14
 15 − 17
+4−6=22
−30
16.5 − 15.5
+4−3=25
−7
12 − 14
+1−3=22
−36
     
5Laser 1.7 64-bit 4CPU32865.5 − 24.5
+0−19=11
−5
13.5 − 16.5
+3−6=21
+41
14.5 − 17.5
+4−7=21
+27
17 − 15
+6−4=22
+30
 16 − 16
+6−6=20
−3
13 − 13
+5−5=16
−7
16.5 − 15.5
+5−4=23
−14
7 − 7
+2−2=10
−67
  7 − 3
+4−0=6
−4
6Defenchess 2.2 64-bit 4CPU32834.5 − 27.5
+0−23=9
−53
12 − 20
+0−8=24
+4
11.5 − 20.5
+0−9=23
−19
15.5 − 16.5
+3−4=25
+7
16 − 16
+6−6=20
+3
 11.5 − 14.5
+0−3=23
−30
18.5 − 13.5
+7−2=23
+18
7.5 − 6.5
+3−2=9
−46
   
7RubiChess 1.7.3 64-bit 4CPU3280  11.5 − 14.5
+3−6=17
+26
14 − 12
+3−1=22
+36
13 − 13
+5−5=16
+7
14.5 − 11.5
+3−0=23
+30
 15.5 − 12.5
+5−2=21
+11
15 − 11
+7−3=16
−19
14 − 12
+7−5=14
−79
  
8Andscacs 0.95 64-bit 4CPU3264    15.5 − 16.5
+4−5=23
+14
13.5 − 18.5
+2−7=23
−18
12.5 − 15.5
+2−5=21
−11
 7 − 7
+2−2=10
−42
  6.5 − 3.5
+4−1=5
−5
9Arasan 21.4 64-bit 4CPU3219    7 − 7
+2−2=10
+67
6.5 − 7.5
+2−3=9
+46
11 − 15
+3−7=16
+19
7 − 7
+2−2=10
+42
 7.5 − 6.5
+4−3=7
−14
  
10Vajolet2 2.7 64-bit 4CPU3182      12 − 14
+5−7=14
+79
 6.5 − 7.5
+3−4=7
+14
   
11Gull 3 64-bit 4CPU3181            
12ChessBrainVB 3.72 4CPU3167    3 − 7
+0−4=6
+4
  3.5 − 6.5
+1−4=5
+5
    
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

Open source 4-CPU engines (best versions only), top 12
#NameElo123456789101112
1Stockfish 2019-10-09 64-bit 4CPU3495 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Ethereal 12.00 64-bit 4CPU33530.0 83.8100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Xiphos 0.6 64-bit 4CPU33390.016.2 99.8100.0100.0100.0100.0100.0100.0100.0100.0
4Booot 6.4 64-bit 4CPU32980.00.00.2 81.485.885.599.0100.0100.0100.0100.0
5Laser 1.7 64-bit 4CPU32860.00.00.018.6 59.765.797.1100.0100.0100.0100.0
6Defenchess 2.2 64-bit 4CPU32830.00.00.014.240.3 58.894.2100.0100.0100.0100.0
7RubiChess 1.7.3 64-bit 4CPU32800.00.00.014.534.341.2 83.3100.0100.0100.0100.0
8Andscacs 0.95 64-bit 4CPU32640.00.00.01.02.95.816.7 99.8100.0100.0100.0
9Arasan 21.4 64-bit 4CPU32190.00.00.00.00.00.00.00.2 97.899.799.4
10Vajolet2 2.7 64-bit 4CPU31820.00.00.00.00.00.00.00.02.2 54.677.2
11Gull 3 64-bit 4CPU31810.00.00.00.00.00.00.00.00.345.4 79.4
12ChessBrainVB 3.72 4CPU31670.00.00.00.00.00.00.00.00.622.820.6 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

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Rating list
Testing profile
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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

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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
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Reference rating list:
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Created in 2005-2013 by CCRL team
Last games added on July 4, 2020