CCRL 40/15
Downloads and Statistics
October 17, 2020
Testing summary:
Total: 1'183'411 games
played by 2'723 programs

White wins: 407'663 (34.4%)
Black wins: 301'004 (25.4%)
Draws: 474'744 (40.1%)
White score: 54.5%

Open source multi-CPU engines

Comparing 195 engines!
42 best versions of selected engines played 2510 games with each other

CCRL 40/15 Rating List — Open source multi-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 October 17, 2020 with Bayeselo based on 1'183'411 games

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

RankNameRatingScoreAverage
Opponent
DrawsGamesLOS
Elo+
1Stockfish 12 64-bit 4CPU3522+30−2976.5%−174.745.9%394 
92.6%
 Stockfish 2019-10-09 64-bit 4CPU3494+23−2374.7%−155.850.3%616
78.3%
 Stockfish 11 64-bit 4CPU3482+20−1973.0%−142.752.6%840
65.4%
 SugaR NN 1.1 64-bit 4CPU3477+17−1772.4%−143.850.7%1162
84.8%
 Stockfish 10 64-bit 4CPU3465+17−1673.4%−155.650.3%1227
55.1%
 SugaR 1.6.1 64-bit 4CPU3463+25−2569.0%−118.257.4%479
68.0%
 Stockfish 270918 64-bit 4CPU3454+28−2777.9%−189.043.3%457
67.9%
 ShashChess 8.0 64-bit 4CPU3446+16−1666.1%−96.263.1%1152
79.8%
 SugaR XPrO 1.5.3 64-bit 4CPU3434+24−2471.8%−144.251.3%544
55.1%
 Stockfish 9 64-bit 4CPU3432+15−1572.3%−153.350.5%1423
95.5%
 SugaR XPrO 1.4 64-bit 4CPU3411+20−1972.3%−150.051.8%840
55.5%
 asmFish 051117 64-bit 4CPU3409+20−1969.8%−129.955.7%819
75.3%
 SugaR XPrO 1.2 64-bit 4CPU3400+21−2070.4%−136.652.5%754
63.5%
 ShashChess Pro 1.0 64-bit 4CPU3393+33−3365.6%−94.561.7%256
77.1%
 Stockfish 8 64-bit 4CPU3379+13−1465.1%−96.962.1%1647
64.8%
 SugaR XPrO 1.3 64-bit 4CPU3374+23−2266.0%−103.457.4%598
63.3%
2Ethereal 12.25 64-bit 4CPU3368+22−2249.6%+3.470.8%520
81.6%
 Ethereal 12.00 64-bit 4CPU3353+22−2250.9%−2.968.8%564
63.0%
 Ethereal 11.75 64-bit 4CPU3348+21−2147.3%+15.465.0%614
74.4%
3Xiphos 0.6 64-bit 4CPU3340+17−1746.0%+24.766.2%970
84.8%
 Stockfish 7 64-bit 4CPU3327+15−1567.0%−106.457.3%1304
50.8%
 Ethereal 11.53 64-bit 4CPU3326+23−2252.3%−12.664.0%542
82.9%
 Xiphos 0.5 64-bit 4CPU3312+20−2046.1%+25.466.7%673
78.9%
 Ethereal 11.25 64-bit 4CPU3300+21−2246.3%+24.465.5%588
53.0%
 Ethereal 11.00 64-bit 4CPU3299+19−1947.0%+18.563.2%778
54.0%
4‑5Booot 6.4 64-bit 4CPU3298+19−1940.3%+57.964.7%746
51.0%
4‑5RubiChess 1.8 64-bit 4CPU3298+23−2334.8%+89.463.8%520
64.4%
 RubiChess 1.7.3 64-bit 4CPU3292+20−2048.3%+9.762.4%736
51.0%
 Stockfish 6 64-bit 4CPU3291+14−1465.3%−93.857.3%1542
54.4%
6Laser 1.7 64-bit 4CPU3290+14−1443.3%+41.763.2%1405
84.5%
7Defenchess 2.2 64-bit 4CPU3279+16−1641.0%+58.259.5%1086
61.2%
 Ethereal 10.55 64-bit 4CPU3275+25−2449.8%−1.857.4%488
63.9%
 Stockfish 5 64-bit 4CPU3270+15−1567.7%−110.054.0%1346
66.9%
8Andscacs 0.95 64-bit 4CPU3264+17−1842.3%+47.759.3%943
52.9%
 Andscacs 0.94 64-bit 4CPU3263+18−1847.2%+18.454.2%907
51.7%
 Booot 6.3.1 64-bit 4CPU3263+15−1543.0%+43.857.4%1366
83.2%
 Xiphos 0.4 64-bit 4CPU3251+18−1943.8%+39.661.1%830
80.8%
 Andscacs 0.921 64-bit 4CPU3240+16−1650.7%−6.447.5%1225
52.0%
 Andscacs 0.93 64-bit 4CPU3239+18−1842.9%+45.954.8%938
65.9%
 Stockfish DD 64-bit 4CPU3234+17−1763.0%−78.256.1%1032
63.1%
 RubiChess 1.6 64-bit 4CPU3229+25−2559.5%−58.750.9%466
70.9%
9Arasan 21.4 64-bit 4CPU3219+25−2545.0%+25.955.6%464
53.8%
 Booot 6.2 64-bit 4CPU3217+14−1442.9%+46.659.3%1517
49.9%
 Laser 1.6 64-bit 4CPU3217+16−1643.5%+44.255.2%1124
81.5%
 Stockfish 4 64-bit 4CPU3206+16−1660.1%−59.959.1%1086
69.6%
 Arasan 21.3 64-bit 4CPU3197+30−3046.7%+26.155.7%314
65.3%
 Ethereal 10.00 64-bit 4CPU3190+20−2053.4%−23.550.8%788
60.9%
10Vajolet2 2.7 64-bit 4CPU3185+25−2552.3%−13.955.8%459
61.4%
11Gull 3 64-bit 4CPU3181+9−942.5%+48.254.2%3783
58.5%
 Gull 2.8b 64-bit 4CPU3179+19−1949.1%+3.351.8%797
49.7%
 Xiphos 0.3 64-bit 4CPU3179+21−2149.2%+3.354.2%660
64.1%
 Arasan 21.2 64-bit 4CPU3172+30−3052.2%−12.160.6%302
58.6%
 Booot 6.1 64-bit 4CPU3168+20−2042.0%+49.260.3%726
50.0%
12ChessBrainVB 3.72 4CPU3168+30−3045.0%+30.451.3%320
50.5%
 Arasan 21.1 64-bit 4CPU3167+27−2751.2%−7.059.5%383
51.5%
 Stockfish 3 64-bit 4CPU3167+21−2156.0%−35.557.8%663
51.4%
 ChessBrainVB 3.74 4CPU3164+128−13046.9%+18.056.3%16
50.5%
 RubiChess 1.5 64-bit 4CPU3164+29−2952.4%−14.754.3%348
78.5%
13Nemorino 5.00 64-bit 4CPU3150+18−1848.1%+9.852.3%878
57.6%
 Stockfish 2.2.2 64-bit 4CPU3147+16−1659.2%−56.153.4%1141
61.9%
 Laser 1.5 64-bit 4CPU3143+20−2049.4%+8.354.5%723
51.5%
 Stockfish 2.3.1 64-bit 4CPU3143+19−1955.4%−33.552.5%846
50.5%
 Gull 2.3 64-bit 4CPU3142+17−1747.4%+15.259.3%982
52.9%
14Texel 1.07 64-bit 4CPU3142+14−1449.5%+4.949.2%1620
59.1%
15Protector 1.9.0 64-bit 4CPU3139+15−1546.4%+24.953.9%1338
58.6%
 Vajolet2 2.6.1 64-bit 4CPU3136+21−2150.8%−4.260.3%605
55.6%
16Igel 2.3.1 64-bit 4CPU3134+27−2750.2%−2.453.2%406
54.0%
 Sting SF 4.8.4 64-bit 4CPU3132+29−2953.3%−21.162.4%330
49.1%
 Sting SF 6 64-bit 4CPU3132+28−2850.8%−6.361.0%354
50.1%
 Texel 1.06 64-bit 4CPU3132+20−2046.1%+25.653.6%739
62.2%
 Stockfish 2.0.1 64-bit 4CPU3127+24−2456.4%−40.448.6%514
55.1%
 Protector 1.8.0 64-bit 4CPU3125+28−2850.4%−2.054.7%386
51.1%
 ChessBrainVB 3.68 4CPU3124+26−2649.2%+4.251.6%428
49.9%
 Gull 3.1 64-bit 4CPU3124+30−3045.4%+33.545.1%359
57.5%
 Arasan 20.4.1 64-bit 4CPU3120+26−2551.7%−10.350.2%452
55.3%
 Sting SF 5 64-bit 4CPU3118+25−2548.1%+12.554.0%465
57.2%
 Stockfish 1.9.1 64-bit 4CPU3115+22−2260.9%−73.746.6%639
53.4%
17IvanHoe 9.46h 64-bit 4CPU3114+14−1453.2%−19.859.5%1542
51.0%
 Stockfish 2.1.1 64-bit 4CPU3113+27−2754.7%−28.648.3%406
60.0%
18Senpai 2.0 64-bit 4CPU3109+19−1951.5%−11.848.7%816
48.7%
 Sting SF 3 64-bit 4CPU3109+21−2147.7%+12.058.5%644
50.3%
 Sting SF 9 64-bit 4CPU3109+28−2848.0%+11.247.2%381
52.0%
 Sting SF 2 64-bit 4CPU3108+27−2748.8%+8.558.1%375
49.4%
19Winter 0.7 64-bit 4CPU3108+25−2645.1%+32.047.1%463
52.2%
 Stockfish 1.8 64-bit 4CPU3107+18−1860.8%−73.150.4%918
52.9%
 ChessBrainVB 3.66 4CPU3106+28−2854.2%−27.048.7%378
55.8%
 Stockfish 1.7.1 64-bit 4CPU3104+19−1960.4%−68.552.6%882
52.5%
 Xiphos 0.2.2 64-bit 4CPU3103+26−2647.3%+13.653.6%414
59.3%
 Gull 2.2 64-bit 4CPU3098+25−2544.5%+31.454.8%469
51.9%
 Vajolet2 2.5 64-bit 4CPU3097+24−2451.5%−9.354.0%493
54.8%
 Nemorino 4.00 64-bit 4CPU3095+22−2250.0%+1.852.9%624
51.3%
 Sting SF 4 64-bit 4CPU3095+23−2341.9%+48.748.9%562
62.2%
 Arasan 20.3 64-bit 4CPU3088+32−3252.5%−19.747.4%302
50.3%
 Laser 1.4 64-bit 4CPU3088+19−1949.6%+0.745.7%843
60.8%
 Texel 1.05 64-bit 4CPU3085+17−1747.3%+18.251.4%1016
76.8%
 Protector 1.7.0 64-bit 4CPU3075+19−1944.1%+37.050.6%834
51.6%
 Demolito 2019-04-27 64-bit 4CPU3074+66−6650.0%−0.238.9%72
50.6%
20Amoeba 3.1 64-bit 4CPU3073+34−3442.1%+48.449.6%254
51.9%
 Nemorino 3.0 64-bit 4CPU3072+27−2747.9%+12.946.1%427
52.0%
 Protector 1.6.0 64-bit 4CPU3071+21−2243.2%+44.550.2%656
51.8%
21Rodent III 0.238 64-bit 4CPU3070+20−2047.2%+15.250.0%742
54.0%
 Rodent III 0.276 64-bit 4CPU3069+29−2949.6%+3.258.2%337
53.2%
 RubiChess 1.3 64-bit 4CPU3067+22−2252.8%−17.944.2%642
52.8%
22Demolito 2018-10-29 64-bit 4CPU3066+30−3048.6%+5.151.9%322
51.0%
 Defenchess 1.1f 64-bit 4CPU3065+18−1851.7%−11.645.3%916
59.6%
23Topple 0.7.5 64-bit 4CPU3061+29−2953.2%−19.845.3%360
55.9%
 Texel 1.04 64-bit 4CPU3058+20−2143.1%+43.247.8%722
56.7%
 Protector 1.5.0 64-bit 4CPU3056+18−1842.5%+47.547.4%952
55.9%
 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
65.4%
 Arasan 19.2 64-bit 4CPU3043+31−3151.0%−6.654.8%305
50.1%
 Vajolet2 2.4 64-bit 4CPU3043+19−1947.2%+18.045.7%878
51.6%
 Vajolet2 2.2 64-bit 4CPU3042+27−2747.0%+15.348.7%423
57.3%
 Gull R375 64-bit 4CPU3039+22−2243.4%+37.357.4%605
54.7%
 Stockfish 1.6.3 64-bit 4CPU3037+22−2257.5%−49.845.3%651
66.2%
 Arasan 20.0 64-bit 4CPU3029+30−3047.4%+16.453.4%328
51.8%
 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%+11.453.5%636
51.3%
24‑25Pirarucu 2.7.4 64-bit 4CPU3026+21−2053.6%−27.647.6%735
52.1%
 Pirarucu 2.9.5 64-bit 4CPU3025+33−3350.0%−2.553.2%269
51.7%
 Senpai 1.0 64-bit 4CPU3024+16−1646.2%+20.753.5%1095
64.4%
 Winter 0.6 64-bit 4CPU3017+32−3253.0%−27.935.6%329
55.1%
26‑27Crafty 25.2 64-bit 4CPU3014+16−1648.5%+9.642.5%1279
51.5%
26‑27chess22k 1.10 64-bit 4CPU3014+22−2246.7%+16.343.7%680
53.7%
 Arasan 19.0.1 64-bit 4CPU3012+31−3151.3%−12.140.9%318
49.1%
 Nemorino 2.00 64-bit 4CPU3012+30−3047.0%+16.859.6%302
53.2%
 Laser 1.3 64-bit 4CPU3011+30−2947.2%+15.255.8%321
51.6%
28Cheng 4.39 64-bit 4CPU3010+15−1549.4%+4.248.6%1333
49.6%
 Texel 1.03 64-bit 4CPU3010+31−3150.3%−1.047.0%313
70.6%
 Vajolet2 2.1 64-bit 4CPU2999+25−2550.9%−3.548.5%462
53.7%
 Rodent III 0.210 64-bit 4CPU2997+28−2845.1%+33.142.5%402
74.9%
29Scorpio 2.8 64-bit 4CPU2984+25−2548.8%+7.146.3%492
53.1%
 Protector 1.4.0 64-bit 4CPU2983+19−1942.5%+48.942.9%912
55.2%
 Cheng4 0.38 64-bit 4CPU2981+24−2446.0%+23.242.4%531
53.7%
 Bobcat 7.6 64-bit 4CPU2979+31−3148.6%+8.741.8%318
59.4%
 Arasan 18.3 64-bit 4CPU2974+30−3046.6%+19.946.8%327
54.1%
30EXchess 7.97b 64-bit 4CPU2972+18−1847.4%+18.245.9%1017
51.7%
 Arasan 18.2 64-bit 4CPU2971+28−2851.9%−15.050.3%388
53.7%
 Stockfish 1.5.1 64-bit 4CPU2969+25−2453.7%−23.047.7%495
62.2%
 Demolito 2017-08-26 64-bit 4CPU2964+21−2140.2%+63.440.8%748
50.3%
 Winter 0.5 64-bit 4CPU2964+26−2650.4%−5.838.3%470
53.5%
 Protector 1.3.6 64-bit 4CPU2962+32−3246.6%+18.244.3%307
57.9%
31Toga II 4.0 64-bit 4CPU2958+19−1941.4%+56.840.4%958
51.1%
 EXchess 7.88b 64-bit 4CPU2957+29−2945.4%+30.048.6%356
65.2%
 Crafty 25.0 64-bit 4CPU2950+25−2548.1%+12.647.9%468
55.7%
 Stockfish 1.4 64-bit 4CPU2948+17−1754.2%−29.342.2%1131
53.8%
 Scorpio 2.7.9 64-bit 4CPU2946+22−2246.7%+20.940.5%659
59.3%
32Tucano 7.07 64-bit 4CPU2941+33−3351.5%−9.744.7%291
51.8%
 EXchess 7.51b 64-bit 4CPU2940+32−3249.5%+5.345.6%296
57.0%
33Marvin 3.3.2 64-bit 4CPU2936+36−3743.4%+39.944.7%228
51.3%
 Arasan 17.5 64-bit 4CPU2935+27−2748.4%+9.945.1%406
55.0%
 EXchess 7.71b 64-bit 4CPU2932+28−2853.3%−22.543.2%403
51.8%
 Bobcat 7.1 64-bit 4CPU2931+31−3147.5%+16.545.9%314
50.2%
 Ethereal 8.62 64-bit 4CPU2931+22−2244.2%+36.049.7%600
60.3%
 Arasan 18.0 64-bit 4CPU2926+29−2947.2%+16.041.5%378
58.6%
 Marvin 3.2.0 64-bit 4CPU2922+21−2153.7%−26.143.0%698
58.4%
 Toga II 3.0 4CPU2919+22−2345.6%+27.149.0%592
68.9%
 Crafty 23.8 64-bit 4CPU2909+32−3345.8%+27.447.0%287
61.1%
 Toga II 1.4.1SE 4CPU2904+13−1348.5%+10.641.6%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%+6.246.6%326
53.1%
34Glaurung 2.2 64-bit 4CPU2895+16−1647.0%+19.640.7%1259
70.2%
35Octochess r5506 64-bit 4CPU2888+21−2144.5%+35.946.7%715
56.3%
36MinkoChess 1.3 64-bit 4CPU2886+21−2146.0%+24.343.7%725
52.7%
 Toga II 1.4 beta5c 4CPU2885+18−1851.7%−12.145.8%996
63.8%
 Crafty 24.1 64-bit 4CPU2878+31−3243.5%+41.739.1%322
57.0%
 Scorpio 2.7.6 64-bit 4CPU2875+26−2647.4%+16.244.0%445
65.0%
 Glaurung 2.1 64-bit 4CPU2868+19−1942.8%+51.041.3%946
53.2%
 Bobcat 6.4b 64-bit 4CPU2867+27−2748.3%+11.446.5%415
53.3%
 EXchess 7.18b 64-bit 4CPU2865+33−3347.3%+16.638.4%292
57.9%
 Scorpio 2.7.5 64-bit 4CPU2860+33−3345.7%+24.950.0%266
53.8%
 Arasan 16.3 64-bit 4CPU2858+34−3449.1%+4.340.2%276
49.0%
 Crafty 23.4 64-bit 4CPU2858+34−3446.9%+19.935.7%272
54.6%
 Scorpio 2.7.7 64-bit 4CPU2856+32−3242.9%+44.541.3%310
51.4%
37Monolith 1.0 64-bit 4CPU2855+21−2248.6%+8.143.0%693
53.6%
38Counter 3.2 64-bit 4CPU2853+32−3250.7%−4.640.2%301
56.9%
 Igel 1.9.0 64-bit 4CPU2849+31−3241.0%+59.539.5%324
70.1%
 Crafty 23.3 64-bit 4CPU2837+31−3241.5%+55.338.2%325
67.2%
 Glaurung 2.0.1 64-bit 4CPU2829+17−1743.8%+38.543.5%1100
64.6%
 Octochess r5190 64-bit 4CPU2823+24−2445.9%+24.044.5%555
91.8%
 Crafty 23.1 64-bit 4CPU2791+36−3743.8%+43.336.9%241
53.2%
 Laser 1.0 64-bit 4CPU2789+37−3836.3%+89.939.2%227
58.5%
 Bagatur 1.7a 64-bit 4CPU2774+131−13445.0%+31.020.0%20
55.1%
 Glaurung 1.2.1 64-bit 4CPU2765+19−1940.2%+64.638.1%967
68.8%
 Crafty 23.0 64-bit 4CPU2759+18−1839.0%+77.434.1%1042
68.5%
39Fridolin 3.10 64-bit 4CPU2749+33−3349.5%−0.331.5%308
78.6%
 Scorpio 2.0 32-bit 4CPU2731+24−2433.4%+115.536.7%607
76.3%
 Scorpio 2.1 64-bit 4CPU2719+27−2734.4%+108.831.6%490
80.3%
 Igel 1.4.1 64-bit 4CPU2701+28−2850.7%−6.426.3%448
81.1%
40RedQueen 1.1.98 64-bit 4CPU2684+27−2739.4%+80.028.5%494
88.0%
 RedQueen 1.1.97 64-bit 4CPU2662+22−2245.7%+27.433.3%726
100.0%
 Fridolin 2.00 64-bit 4CPU2589+34−3441.9%+57.131.3%297
95.3%
41Jazz 840 64-bit 4CPU2554+20−1957.8%−63.625.3%1000
91.3%
42Nemeton 1.8 4CPU2531+27−2749.9%+1.327.2%496
92.5%
 Invictus r228 64-bit 4CPU2341+242−29528.6%+166.90.0%7
 

Results matrix

Open source multi-CPU engines (best versions only), top 12
#NameElo123456789101112
1Stockfish 12 64-bit 4CPU3522 16.5 − 7.5
+10−1=13
−45
17 − 5
+12−0=10
−8
18.5 − 5.5
+13−0=11
−52
20.5 − 3.5
+17−0=7
+33
18.5 − 5.5
+13−0=11
−63
21.5 − 2.5
+19−0=5
+77
     
2Ethereal 12.25 64-bit 4CPU33687.5 − 16.5
+1−10=13
+45
 18.5 − 13.5
+6−1=25
+12
22 − 10
+14−2=16
+42
19.5 − 12.5
+8−1=23
−13
19.5 − 12.5
+8−1=23
−21
      
3Xiphos 0.6 64-bit 4CPU33405 − 17
+0−12=10
+8
13.5 − 18.5
+1−6=25
−12
 19.5 − 12.5
+7−0=25
+13
18.5 − 13.5
+6−1=25
−2
17.5 − 14.5
+7−4=21
−24
20.5 − 11.5
+9−0=23
+14
     
4Booot 6.4 64-bit 4CPU32985.5 − 18.5
+0−13=11
+52
10 − 22
+2−14=16
−42
12.5 − 19.5
+0−7=25
−13
 14.5 − 17.5
+4−7=21
−28
15 − 17
+4−6=22
−26
16.5 − 15.5
+4−3=25
−11
     
5RubiChess 1.8 64-bit 4CPU32983.5 − 20.5
+0−17=7
−33
12.5 − 19.5
+1−8=23
+13
13.5 − 18.5
+1−6=25
+2
17.5 − 14.5
+7−4=21
+28
 15 − 17
+2−4=26
−23
      
6Laser 1.7 64-bit 4CPU32905.5 − 18.5
+0−13=11
+63
12.5 − 19.5
+1−8=23
+21
14.5 − 17.5
+4−7=21
+24
17 − 15
+6−4=22
+26
17 − 15
+4−2=26
+23
 16 − 16
+6−6=20
−11
16.5 − 15.5
+5−4=23
−18
7 − 7
+2−2=10
−71
  7 − 3
+4−0=6
−7
7Defenchess 2.2 64-bit 4CPU32792.5 − 21.5
+0−19=5
−77
 11.5 − 20.5
+0−9=23
−14
15.5 − 16.5
+3−4=25
+11
 16 − 16
+6−6=20
+11
 18.5 − 13.5
+7−2=23
+22
7.5 − 6.5
+3−2=9
−42
   
8Andscacs 0.95 64-bit 4CPU3264     15.5 − 16.5
+4−5=23
+18
13.5 − 18.5
+2−7=23
−22
 7 − 7
+2−2=10
−42
  6.5 − 3.5
+4−1=5
−4
9Arasan 21.4 64-bit 4CPU3219     7 − 7
+2−2=10
+71
6.5 − 7.5
+2−3=9
+42
7 − 7
+2−2=10
+42
 7.5 − 6.5
+4−3=7
−11
  
10Vajolet2 2.7 64-bit 4CPU3185        6.5 − 7.5
+3−4=7
+11
   
11Gull 3 64-bit 4CPU3181            
12ChessBrainVB 3.72 4CPU3168     3 − 7
+0−4=6
+7
 3.5 − 6.5
+1−4=5
+4
    
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 multi-CPU engines (best versions only), top 12
#NameElo123456789101112
1Stockfish 12 64-bit 4CPU3522 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Ethereal 12.25 64-bit 4CPU33680.0 97.9100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Xiphos 0.6 64-bit 4CPU33400.02.1 100.099.8100.0100.0100.0100.0100.0100.0100.0
4Booot 6.4 64-bit 4CPU32980.00.00.0 51.074.093.199.4100.0100.0100.0100.0
5RubiChess 1.8 64-bit 4CPU32980.00.00.249.0 70.489.598.7100.0100.0100.0100.0
6Laser 1.7 64-bit 4CPU32900.00.00.026.029.6 84.599.0100.0100.0100.0100.0
7Defenchess 2.2 64-bit 4CPU32790.00.00.06.910.515.5 89.9100.0100.0100.0100.0
8Andscacs 0.95 64-bit 4CPU32640.00.00.00.61.31.010.1 99.8100.0100.0100.0
9Arasan 21.4 64-bit 4CPU32190.00.00.00.00.00.00.00.2 97.099.799.4
10Vajolet2 2.7 64-bit 4CPU31850.00.00.00.00.00.00.00.03.0 61.480.3
11Gull 3 64-bit 4CPU31810.00.00.00.00.00.00.00.00.338.6 79.0
12ChessBrainVB 3.72 4CPU31680.00.00.00.00.00.00.00.00.619.721.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

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Rating list
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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 October 17, 2020