# PLAYER : RATING ERROR POINTS PLAYED (%) 1 Stockfish 18-dev 12-11-2025 : 3878 12 1684.5 2708 62.2% 2 Stockfish 17.1 : 3866 11 7501.0 11610 64.6% 3 Stockfish 17 : 3857 11 6218.0 9890 62.9% 4 Stockfish 16.1 : 3854 12 4038.5 6456 62.6% 5 PlentyChess 7.0 : 3845 12 1901.5 3540 53.7% 6 Stockfish 16 : 3844 11 3452.0 5320 64.9% 7 PlentyChess 7.0.12 : 3841 12 2392.5 4240 56.4% 8 Obsidian 16.14 : 3840 13 1473.0 2660 55.4% 9 Reckless 0.8 : 3839 12 1727.5 3420 50.5% 10 PlentyChess 7.0.2 : 3837 13 1420.0 2400 59.2% 11 PlentyChess 6.0.15 : 3832 13 1438.0 2660 54.1% 12 Stockfish 15 : 3828 11 2853.5 4558 62.6% 13 Stockfish 15.1 : 3828 10 7410.5 10250 72.3% 14 Obsidian 15.09 : 3819 12 1807.0 3420 52.8% 15 Alexandria 8.1.0 : 3814 12 1300.0 2660 48.9% 16 Obsidian 15 : 3812 17 587.0 1140 51.5% 17 Stockfish 14.1 : 3811 12 2569.0 3584 71.7% 18 PlentyChess 5.0.0 : 3802 13 1463.5 2660 55.0% 19 Alexandria 8.0.0 : 3802 13 2530.0 4940 51.2% 20 Clover 9.1 : 3801 12 1137.0 2280 49.9% 21 Obsidian 14 : 3801 13 1443.0 2660 54.2% 22 Lc0 0.31.2 BT3-7464000 1650m : 3798 25 172.5 360 47.9% 23 Berserk 13 : 3789 10 6484.0 12648 51.3% 24 PlentyChess 4.0.0 : 3787 12 1462.0 3040 48.1% 25 Caissa 1.23 : 3787 15 721.0 1520 47.4% 26 Viridithas 18.0.0 : 3786 16 748.0 1520 49.2% 27 Integral 7.0 : 3785 13 1829.5 3800 48.1% 28 Caissa 1.22 : 3783 13 1096.0 2280 48.1% 29 Obsidian 13 : 3782 13 841.5 1888 44.6% 30 Stockfish 14 : 3781 13 2786.0 3856 72.3% 31 PlentyChess 2.1.0 : 3776 13 2187.0 4170 52.4% 32 Horsie 1.1 : 3775 13 998.0 2280 43.8% 33 Berserk 12 : 3773 13 1079.5 2280 47.3% 34 Stormphrax 7.0 : 3766 15 665.0 1520 43.8% 35 Viridithas 17.0.0 : 3760 15 627.0 1520 41.3% 36 Alexandria 7.0.0 : 3760 12 2109.5 4180 50.5% 37 Horsie 1.0 : 3759 15 609.0 1520 40.1% 38 Caissa 1.20 : 3756 12 2084.5 4177 49.9% 39 Halogen 15 : 3749 16 621.0 1520 40.9% 40 Stockfish 13 : 3746 15 1373.0 2200 62.4% 41 Integral 6.0 : 3744 13 995.0 2280 43.6% 42 Obsidian 12 : 3742 13 831.5 1900 43.8% 43 RubiChess 20240817 : 3742 13 1145.0 2660 43.0% 44 Clover 8.0.2 : 3737 12 1622.5 3420 47.4% 45 Titan 1.1 : 3734 13 1201.5 2660 45.2% 46 Berserk 11.1 : 3731 11 2952.5 5319 55.5% 47 Crystal 3.2 : 3729 26 344.5 476 72.4% 48 Caissa 1.18 : 3727 13 751.0 1902 39.5% 49 RubiChess 20240112 : 3724 13 1584.0 3789 41.8% 50 Clover 6.1 : 3715 25 119.0 380 31.3% 51 Stockfish 12 : 3712 17 557.5 964 57.8% 52 Alexandria 6.1.0 : 3701 24 112.5 380 29.6% 53 KomodoDragon 1.0 : 3699 13 978.0 2660 36.8% 54 Berserk 10 : 3697 14 612.0 1168 52.4% 55 Seer 2.8.0 : 3695 13 1010.5 2660 38.0% 56 Koivisto 9.0 : 3688 12 1742.0 3540 49.2% 57 Rebel 16.3 : 3680 18 209.0 770 27.1% 58 Clover 5.0 : 3674 14 1069.5 2280 46.9% 59 Fire 9.3 : 3648 15 600.0 1900 31.6% 60 Berserk 9.0 : 3645 12 1075.5 2660 40.4% 61 Koivisto 8.0 : 3634 12 1465.5 3339 43.9% 62 Rebel 16 : 3621 22 278.0 652 42.6% 63 Caissa 1.10 : 3609 14 855.5 2280 37.5% 64 Berserk 8.5.1 : 3609 24 174.0 340 51.2% 65 Slowchess 2.8 : 3591 32 154.0 272 56.6% 66 Rubichess 2021 NNUE : 3573 39 75.5 136 55.5% 67 Stockfish 11 : 3543 11 3051.0 6900 44.2% 68 Berserk 7 : 3541 18 286.5 1100 26.0% 69 Koivisto 7 : 3539 24 286.5 612 46.8% 70 Seer 2.5 : 3537 17 357.5 964 37.1% 71 Slowchess 2.7 : 3506 26 183.0 340 53.8% 72 Rebel 15.1 : 3496 25 112.0 272 41.2% 73 Minic 3.30 : 3486 19 315.0 1032 30.5% 74 Rubichess 2.2 : 3485 22 407.5 748 54.5% 75 Nemorino 6 : 3481 18 759.0 1900 39.9% 76 Koivisto 6 : 3480 12 1334.0 2728 48.9% 77 Komodo 14 : 3475 12 1137.0 5320 21.4% 78 Arasan 23.3 NNUE : 3456 30 129.5 340 38.1% 79 Black Marlin 7 : 3452 15 340.5 1412 24.1% 80 Fire 8.1 : 3443 20 321.5 612 52.5% 81 Fire 8.2 : 3443 24 194.5 408 47.7% 82 Pedone 3.1 : 3439 19 533.0 884 60.3% 83 Stockfish 9 : 3438 49 29.0 380 7.6% 84 Igel 3.05 : 3432 15 1007.0 1808 55.7% 85 Komodo 13.02 : 3427 23 196.0 788 24.9% 86 Ethereal 13 classic : 3420 23 188.5 340 55.4% 87 Komodo 12 : 3408 17 1037.0 2184 47.5% 88 Lc0 CPU-792013 : 3400 21 181.0 760 23.8% 89 Arasan 23.01 NNUE : 3381 62 133.0 204 65.2% 90 Xiphos 0.6 : 3357 24 160.0 340 47.1% 91 Berserk 4.6 : 3350 27 134.0 272 49.3% 92 Stockfish 7 : 3344 17 594.0 1520 39.1% 93 Seer 2.3.0 : 3343 23 184.5 612 30.1% 94 Laser 1.7 : 3302 18 574.5 1220 47.1% 95 Rofchade 2.3 : 3298 18 387.5 788 49.2% 96 Lc0 0.31.2 BT3-7464000 CPU : 3285 39 58.5 210 27.9% 97 Booot 6.5 : 3276 27 102.0 340 30.0% 98 Lc0 0.29dev 791982 : 3263 31 127.0 340 37.4% 99 Defenchess 2.2 : 3253 14 605.5 1412 42.9% 100 Weiss 2.0 : 3242 24 204.5 612 33.4% 101 Lc0 CPU 744204 : 3238 21 229.5 680 33.8% 102 Danasah 9.1 : 3235 14 878.0 1900 46.2% 103 Lc0 CPU 753842 : 3219 24 191.5 544 35.2% 104 Komodo 7 : 3207 11 1860.5 3420 54.4% 105 Toga 3 : 3177 21 373.0 907 41.1% 106 Gull 3 : 3156 11 1813.5 3239 56.0% 107 Houdini 1.5a : 3140 12 1726.0 3420 50.5% 108 Velvet 3.1 : 3134 73 127.0 204 62.3% 109 Komodo 5.1 : 3129 15 1031.5 2660 38.8% 110 Critter 1.6a : 3114 13 1059.0 2660 39.8% 111 Stockfish 3 : 3094 13 984.5 2280 43.2% 112 Protector 1.9.0 : 3067 13 1105.5 2280 48.5% 113 4ku 5.1 : 3042 19 872.0 1520 57.4% 114 4ku 4.0 : 3039 15 979.0 1700 57.6% 115 Lc0 CPU 69722-vf2 : 3029 32 72.5 544 13.3% 116 Rybka 2.3.2a 64 bit : 2933 17 1815.0 2806 64.7% 117 Komodo 1.3 : 2926 16 366.5 1520 24.1% 118 Crafty 25.2 32bit : 2910 27 375.0 570 65.8% 119 Naraku 1.4 : 2759 15 1793.0 4715 38.0% 120 Fruit 2.2.1 : 2690 18 1504.5 2431 61.9% 121 Delfi 5.4 : 2633 22 447.5 844 53.0% 122 Alaric 7.07 : 2602 19 831.5 1488 55.9% 123 Fatalii 0.9 : 2596 29 422.0 576 73.3% 124 Ruffian 2.1.0 : 2557 23 396.0 760 52.1% 125 Rotor 0.7a : 2557 26 159.0 560 28.4% 126 Ruffian 1.0.5 : 2555 18 905.5 1900 47.7% 127 Chessmaster 9000 : 2542 23 246.5 520 47.4% 128 Chessmaster 10 (The King 3.23) : 2530 17 1135.0 3600 31.5% 129 AnMon 5.75 : 2499 19 860.5 1802 47.8% 130 Fritz 5.32 : 2491 18 875.0 2280 38.4% 131 SOS 5.1 for Arena : 2482 21 643.5 1180 54.5% 132 Hermann 2.8 : 2472 17 815.5 2280 35.8% 133 Rebel 9 : 2472 40 177.0 260 68.1% 134 Rebel 6 UCI : 2450 16 2314.0 4634 49.9% 135 TASC R40 v2.5 : 2422 35 1510.0 1900 79.5% 136 Chessmaster 5000 : 2421 35 184.0 320 57.5% 137 TASC R30 v2.5 : 2389 31 1394.0 2016 69.1% 138 Fruit 1.0 : 2381 22 353.0 1197 29.5% 139 Gaia 3.5 : 2378 20 897.0 1689 53.1% 140 Mephisto London 68030 : 2356 34 1380.0 1900 72.6% 141 Cinnamon 2.4 : 2310 20 1264.5 2286 55.3% 142 Millennium ChessGenius ARM 48 MHz : 2203 30 149.0 500 29.8% 143 Mephisto Roma 68020 : 2088 34 664.0 1924 34.5% 144 Goldfish 1.13 : 1963 25 516.0 1584 32.6% 145 Snowy 0.2 : 1948 36 333.0 476 70.0% 146 Heracles 0.616 : 1928 32 429.5 750 57.3% 147 Novag Constellation 6502 3.6 Mhz : 1800 43 147.5 1420 10.4% 148 Pigeon 1.5.1 : 1786 38 265.5 408 65.1% 149 Predateur 2.2.1 : 1782 37 510.5 796 64.1% 150 TSCP 1.81 : 1653 34 737.0 1203 61.3% 151 Monochrome : 1617 34 934.5 1964 47.6% 152 ScySys Mark V : 1510 52 1370.0 2660 51.5% 153 Sargon 1978 UCI 1.01 Depth=5 : 1410 38 374.0 984 38.0% 154 Chess Titans i7-10750H 1CPU : 1373 71 45.5 86 52.9% 155 Cerulean 0.2 : 1364 41 464.0 728 63.7% 156 Nanook 0.17 : 1328 74 39.0 71 54.9% 157 Fidelity Chess Challenger 7 : 1283 55 533.5 1082 49.3% 158 Belofte 2.1.8.1 : 1275 54 146.5 228 64.3% 159 Dragontooth 0.2 : 1273 40 228.0 554 41.2% 160 Virutor Chess 1.1.2 : 1241 40 220.5 1172 18.8% 161 Safrad 2.1 : 1153 45 99.0 558 17.7% 162 Sargon 1978 1.01 UCI 3ply : 1120 44 181.5 600 30.3% 163 Fidelity Chess Challenger 1 : 1089 59 252.0 792 31.8% 164 Fidelity Chess Challenger 3 : 1074 59 289.0 880 32.8% 165 Commodore Chessmate : 1044 58 466.0 1592 29.3% 166 Data Cash Systems CompuChess II : 1027 70 25.0 80 31.3% 167 Battle Chess 1988 P90 : 840 194 8.5 70 12.1% 168 EasyPeasy : 455 142 4.5 640 0.7% White advantage = 30.94 +/- 0.51 Draw rate (equal opponents) = 71.42 % +/- 0.14