# PLAYER : RATING ERROR POINTS PLAYED (%) 1 Stockfish 18 : 3875 10 4011.5 6500 61.7% 2 Stockfish 18dev_26010611 : 3874 13 1365.5 2280 59.9% 3 Stockfish 18dev 031225 : 3871 11 2827.5 4562 62.0% 4 Stockfish 18-dev 12-11-2025 : 3866 10 2595.0 4228 61.4% 5 Stockfish 17.1 : 3858 10 13355.5 21590 61.9% 6 Reckless 0.10.0-dev-6abcff05 : 3855 13 1035.5 1900 54.5% 7 Reckless 0.9 : 3852 12 1669.5 3040 54.9% 8 Stockfish 17 : 3849 10 6218.0 9890 62.9% 9 Reckless 0.9-dev-0dd5b9ac : 3846 14 1057.5 1900 55.7% 10 Stockfish 16.1 : 3846 9 4038.5 6456 62.6% 11 Reckless 0.9dev-c5af2cea : 3844 12 951.0 1900 50.1% 12 PlentyChess 7.0.55 : 3843 12 1646.0 3040 54.1% 13 Lc0 0.32.1 BT4-614750 4060m : 3842 20 283.0 480 59.0% 14 PlentyChess 7.0.37 : 3842 13 1437.0 2660 54.0% 15 Stockfish 16 : 3838 10 4314.0 6462 66.8% 16 PlentyChess 7.0.29 : 3837 12 1530.5 3070 49.9% 17 PlentyChess 7.0 : 3836 10 2467.0 4680 52.7% 18 Obsidian 16.14 : 3833 12 1473.0 2660 55.4% 19 PlentyChess 7.0.12 : 3832 10 2999.0 5380 55.7% 20 Reckless 0.8 : 3831 10 1898.0 3800 49.9% 21 PlentyChess 7.0.2 : 3829 12 1420.0 2400 59.2% 22 PlentyChess 6.0.15 : 3824 12 1438.0 2660 54.1% 23 Stockfish 15.1 : 3823 10 7410.5 10250 72.3% 24 Stockfish 15 : 3821 10 4778.0 6842 69.8% 25 Alexandria 9.0 : 3820 13 971.0 1900 51.1% 26 Obsidian 15.09 : 3812 11 1807.0 3420 52.8% 27 Alexandria 8.1.12 : 3812 11 1527.5 3020 50.6% 28 Berserk 13-20250606 : 3810 11 2078.5 4160 50.0% 29 Integral v7dev-8bab : 3808 12 1110.5 2280 48.7% 30 Stockfish 14.1 : 3808 12 2569.0 3584 71.7% 31 Alexandria 8.1.0 : 3807 11 1521.5 3040 50.0% 32 Obsidian 15 : 3803 12 754.5 1520 49.6% 33 PlentyChess 5.0.0 : 3795 11 1463.5 2660 55.0% 34 Alexandria 8.0.0 : 3794 10 2993.5 5700 52.5% 35 Obsidian 14 : 3792 12 1443.0 2660 54.2% 36 Viridithas 19.0.0 : 3789 12 1439.5 3020 47.7% 37 Clover 9.1 : 3788 11 1613.5 3420 47.2% 38 Lc0 0.31.2 BT3-7464000 1650m : 3788 20 184.5 390 47.3% 39 Berserk 13 : 3784 9 9822.0 19228 51.1% 40 Caissa 1.24 : 3783 11 3052.0 6440 47.4% 41 Pawnocchio 1.9.0 : 3781 13 1033.0 2280 45.3% 42 PlentyChess 4.0.0 : 3780 12 1462.0 3040 48.1% 43 Stockfish 14 : 3779 12 2786.0 3856 72.3% 44 Caissa 1.23 : 3779 14 721.0 1520 47.4% 45 Viridithas 18.0.0 : 3779 14 748.0 1520 49.2% 46 Quanticade 3.0 : 3778 13 763.0 1520 50.2% 47 Integral 7.0 : 3777 11 1829.5 3800 48.1% 48 Halogen 16.0 : 3777 11 1522.0 3420 44.5% 49 Obsidian 13 : 3775 11 841.5 1888 44.6% 50 Caissa 1.22 : 3775 12 1096.0 2280 48.1% 51 Tarnished 5.0 : 3774 13 1107.0 2290 48.3% 52 PlentyChess 2.1.0 : 3769 11 2187.0 4170 52.4% 53 Horsie 1.1 : 3769 11 1975.0 4562 43.3% 54 Berserk 12 : 3765 12 1079.5 2280 47.3% 55 Stormphrax 7.0 : 3757 12 1027.0 2280 45.0% 56 Viridithas 17.0.0 : 3752 13 627.0 1520 41.3% 57 Uralochka 3.42a : 3752 13 697.5 1520 45.9% 58 Alexandria 7.0.0 : 3751 10 2109.5 4180 50.5% 59 Horsie 1.0 : 3751 15 609.0 1520 40.1% 60 Halogen 16.3.2 : 3748 14 685.0 1900 36.1% 61 Caissa 1.20 : 3748 10 2084.5 4177 49.9% 62 Starzix 6.0 : 3747 12 888.5 1900 46.8% 63 Stockfish 13 : 3743 13 1373.0 2200 62.4% 64 Halogen 15 : 3741 12 959.0 2280 42.1% 65 pawnocchio 1.8.1 : 3737 14 596.0 1520 39.2% 66 Obsidian 12 : 3735 11 831.5 1900 43.8% 67 Integral 6.0 : 3735 13 995.0 2280 43.6% 68 RubiChess 20240817 : 3735 13 1289.0 3020 42.7% 69 Clover 8.0.2 : 3729 11 1622.5 3420 47.4% 70 Crystal 3.2 : 3728 24 344.5 476 72.4% 71 Berserk 11.1 : 3726 11 2952.5 5319 55.5% 72 Igel 3.6.0 : 3721 12 790.0 1900 41.6% 73 Titan 1.1 : 3720 10 1882.5 4180 45.0% 74 Caissa 1.18 : 3720 13 751.0 1902 39.5% 75 RubiChess 20240112 : 3717 11 1584.0 3789 41.8% 76 Quanticade 1.0 : 3713 13 627.0 1520 41.3% 77 Rofchade 3.1 : 3708 14 591.0 1520 38.9% 78 Stockfish 12 : 3705 13 1155.0 2104 54.9% 79 Alexandria 6.1.0 : 3696 17 299.5 760 39.4% 80 Berserk 10 : 3693 15 612.0 1168 52.4% 81 Renegade 1.2.0 : 3688 13 624.0 1910 32.7% 82 ChessSystem Tal 2.00 : 3687 16 674.5 1520 44.4% 83 Seer 2.8.0 : 3687 11 1010.5 2660 38.0% 84 KomodoDragon 1.0 : 3686 11 1160.5 3040 38.2% 85 Koivisto 9.0 : 3682 12 1742.0 3540 49.2% 86 Clover 6.1 : 3681 12 1041.5 1900 54.8% 87 Rebel 16.3 : 3678 15 389.0 1150 33.8% 88 Clover 5.0 : 3667 11 1179.5 2660 44.3% 89 Rebel EAS : 3658 16 605.5 1520 39.8% 90 Arasan 25.2 : 3652 17 455.5 1520 30.0% 91 Fire 9.3 : 3641 13 600.0 1900 31.6% 92 Berserk 9.0 : 3640 12 1075.5 2660 40.4% 93 Koivisto 8.0 : 3630 12 1465.5 3339 43.9% 94 Rebel 16 : 3619 21 278.0 652 42.6% 95 Berserk 8.5.1 : 3607 25 174.0 340 51.2% 96 Caissa 1.10 : 3602 13 937.5 2662 35.2% 97 Slowchess 2.8 : 3589 30 154.0 272 56.6% 98 Rubichess 2021 NNUE : 3569 38 75.5 136 55.5% 99 Booot 7.2 : 3555 16 322.0 1140 28.2% 100 Stockfish 11 : 3542 10 3289.5 7400 44.5% 101 Berserk 7 : 3539 20 286.5 1100 26.0% 102 Koivisto 7 : 3539 20 286.5 612 46.8% 103 Seer 2.5 : 3538 16 424.5 1344 31.6% 104 Stockfish 9 : 3508 15 846.5 2280 37.1% 105 Slowchess 2.7 : 3508 23 183.0 340 53.8% 106 Rebel 15.1 : 3494 23 112.0 272 41.2% 107 Rubichess 2.2 : 3486 19 407.5 748 54.5% 108 Koivisto 6 : 3485 12 1426.0 3488 40.9% 109 Minic 3.30 : 3484 17 363.5 1412 25.7% 110 Nemorino 6 : 3478 17 759.0 1900 39.9% 111 Komodo 14 : 3468 11 1387.5 6080 22.8% 112 Arasan 23.3 NNUE : 3453 24 129.5 340 38.1% 113 Black Marlin 7 : 3453 15 387.5 1792 21.6% 114 Fire 8.1 : 3444 19 321.5 612 52.5% 115 Fire 8.2 : 3441 23 194.5 408 47.7% 116 Pedone 3.1 : 3441 16 533.0 884 60.3% 117 Igel 3.05 : 3433 14 1007.0 1808 55.7% 118 Komodo 13.02 : 3424 22 196.0 788 24.9% 119 Ethereal 13 classic : 3422 22 188.5 340 55.4% 120 Komodo 12 : 3408 14 1037.0 2184 47.5% 121 Lc0 CPU-792013 : 3393 21 181.0 760 23.8% 122 Arasan 23.01 NNUE : 3380 62 133.0 204 65.2% 123 Xiphos 0.6 : 3359 23 160.0 340 47.1% 124 Berserk 4.6 : 3352 26 134.0 272 49.3% 125 Stockfish 7 : 3345 15 704.0 1900 37.1% 126 Seer 2.3.0 : 3344 21 184.5 612 30.1% 127 Laser 1.7 : 3302 16 574.5 1220 47.1% 128 Rofchade 2.3 : 3300 18 387.5 788 49.2% 129 Lc0 0.31.2 BT3-7464000 CPU : 3285 38 58.5 210 27.9% 130 Booot 6.5 : 3278 27 102.0 340 30.0% 131 Lc0 0.29dev 791982 : 3261 33 127.0 340 37.4% 132 Defenchess 2.2 : 3254 14 605.5 1412 42.9% 133 Weiss 2.0 : 3244 23 204.5 612 33.4% 134 Lc0 CPU 744204 : 3239 21 229.5 680 33.8% 135 Danasah 9.1 : 3236 13 878.0 1900 46.2% 136 Lc0 CPU 753842 : 3220 24 191.5 544 35.2% 137 Komodo 7 : 3208 12 1860.5 3420 54.4% 138 Toga 3 : 3178 21 373.0 907 41.1% 139 Gull 3 : 3158 12 2164.5 3610 60.0% 140 Houdini 1.5a : 3141 13 1726.0 3420 50.5% 141 Velvet 3.1 : 3132 66 127.0 204 62.3% 142 Komodo 5.1 : 3129 16 1031.5 2660 38.8% 143 Critter 1.6a : 3115 13 1059.0 2660 39.8% 144 Stockfish 3 : 3095 14 984.5 2280 43.2% 145 Protector 1.9.0 : 3068 14 1105.5 2280 48.5% 146 4ku 5.1 : 3042 20 872.0 1520 57.4% 147 4ku 4.0 : 3040 17 979.0 1700 57.6% 148 Lc0 CPU 69722-vf2 : 3030 31 72.5 544 13.3% 149 Rybka 2.3.2a 64 bit : 2933 16 1815.0 2806 64.7% 150 Komodo 1.3 : 2928 17 366.5 1520 24.1% 151 Crafty 25.2 32bit : 2909 24 375.0 570 65.8% 152 Naraku 1.4 : 2758 14 2006.5 5475 36.6% 153 Greko 2021.12 : 2706 20 517.5 1131 45.8% 154 Fruit 2.2.1 : 2690 19 1504.5 2431 61.9% 155 Delfi 5.4 : 2631 20 447.5 844 53.0% 156 Alaric 7.07 : 2601 17 831.5 1488 55.9% 157 Fatalii 0.9 : 2596 27 422.0 576 73.3% 158 Ruffian 2.1.0 : 2557 20 396.0 760 52.1% 159 Rotor 0.7a : 2555 24 159.0 560 28.4% 160 Ruffian 1.0.5 : 2555 19 905.5 1900 47.7% 161 Chessmaster 10 (The King 3.23) : 2530 17 1339.0 3980 33.6% 162 Chessmaster 9000 : 2526 20 422.5 900 46.9% 163 AnMon 5.75 : 2499 17 860.5 1802 47.8% 164 Fritz 5.32 : 2491 17 875.0 2280 38.4% 165 SOS 5.1 for Arena : 2482 21 643.5 1180 54.5% 166 Hermann 2.8 : 2472 17 815.5 2280 35.8% 167 Rebel 9 : 2469 39 177.0 260 68.1% 168 Rebel 6 UCI : 2450 15 2314.0 4634 49.9% 169 Chessmaster 5000 : 2419 32 184.0 320 57.5% 170 TASC R40 v2.5 : 2418 32 1510.0 1900 79.5% 171 TASC R30 v2.5 : 2386 30 1394.0 2016 69.1% 172 Fruit 1.0 : 2381 21 353.0 1197 29.5% 173 Gaia 3.5 : 2379 19 949.5 2069 45.9% 174 Mephisto London 68030 : 2352 32 1380.0 1900 72.6% 175 Cinnamon 2.4 : 2311 18 1264.5 2286 55.3% 176 Millennium ChessGenius ARM 48 MHz : 2201 32 149.0 500 29.8% 177 Mephisto Roma 68020 : 2085 33 664.0 1924 34.5% 178 Goldfish 1.13 : 1965 27 516.0 1584 32.6% 179 Snowy 0.2 : 1950 39 333.0 476 70.0% 180 Heracles 0.616 : 1931 35 429.5 750 57.3% 181 Novag Constellation 6502 3.6 Mhz : 1796 46 147.5 1420 10.4% 182 Pigeon 1.5.1 : 1790 37 265.5 408 65.1% 183 Predateur 2.2.1 : 1786 35 510.5 796 64.1% 184 TSCP 1.81 : 1657 36 737.0 1203 61.3% 185 Monochrome : 1621 34 934.5 1964 47.6% 186 ScySys Mark V : 1499 56 1370.0 2660 51.5% 187 Sargon 1978 UCI 1.01 Depth=5 : 1415 40 374.0 984 38.0% 188 Chess Titans i7-10750H 1CPU : 1384 73 51.0 92 55.4% 189 Cerulean 0.2 : 1369 38 464.0 728 63.7% 190 Nanook 0.17 : 1333 72 39.0 71 54.9% 191 Belofte 2.1.8.1 : 1281 44 751.0 988 76.0% 192 Dragontooth 0.2 : 1278 39 228.0 554 41.2% 193 Fidelity Chess Challenger 7 : 1272 58 533.5 1082 49.3% 194 Virutor Chess 1.1.2 : 1246 37 220.5 1172 18.8% 195 Safrad 2.1 : 1158 46 99.0 558 17.7% 196 Sargon 1978 1.01 UCI 3ply : 1126 44 1804.0 2974 60.7% 197 Fidelity Chess Challenger 1 : 1078 57 252.0 792 31.8% 198 Maia 1900 : 1077 46 1674.5 3140 53.3% 199 Fidelity Chess Challenger 3 : 1061 60 289.0 880 32.8% 200 Maia 1700 : 1034 46 1906.0 3300 57.8% 201 Commodore Chessmate : 1032 59 466.0 1592 29.3% 202 Maia 1500 : 1001 47 339.5 1144 29.7% 203 Data Cash Systems CompuChess II : 996 74 25.5 84 30.4% 204 Battle Chess 1988 P90 : 964 122 12.0 76 15.8% 205 Maia 1300 : 927 46 542.5 1661 32.7% 206 Maia 1100 : 878 46 519.0 2041 25.4% 207 EasyPeasy : 476 125 4.5 640 0.7% White advantage = 30.10 +/- 0.42 Draw rate (equal opponents) = 74.48 % +/- 0.12