# PLAYER : RATING ERROR POINTS PLAYED (%) 1 Stockfish 18 : 3877 10 4956.0 8020 61.8% 2 Stockfish 18dev_26010611 : 3875 10 1365.5 2280 59.9% 3 Stockfish 18dev 031225 : 3871 9 2827.5 4562 62.0% 4 Stockfish 18-dev 12-11-2025 : 3867 9 2595.0 4228 61.4% 5 Reckless 0.10.0-dev-7300f044 : 3861 13 1044.0 1900 54.9% 6 Stockfish 17.1 : 3858 8 13355.5 21590 61.9% 7 Reckless 0.10.0-dev-6abcff05 : 3855 11 1035.5 1900 54.5% 8 Reckless 0.9 : 3852 11 1852.0 3420 54.2% 9 Stockfish 17 : 3850 8 6218.0 9890 62.9% 10 Reckless 0.9-dev-0dd5b9ac : 3847 11 1057.5 1900 55.7% 11 Stockfish 16.1 : 3846 9 4038.5 6456 62.6% 12 Reckless 0.9dev-c5af2cea : 3844 12 951.0 1900 50.1% 13 PlentyChess 7.0.55 : 3843 11 1646.0 3040 54.1% 14 Lc0 0.32.1 BT4-614750 4060m : 3843 19 283.0 480 59.0% 15 PlentyChess 7.0.37 : 3842 10 1437.0 2660 54.0% 16 Stockfish 16 : 3838 9 4314.0 6462 66.8% 17 PlentyChess 7.0.29 : 3837 10 1530.5 3070 49.9% 18 PlentyChess 7.0 : 3836 10 2467.0 4680 52.7% 19 Obsidian 16.14 : 3833 11 1473.0 2660 55.4% 20 PlentyChess 7.0.12 : 3833 10 2999.0 5380 55.7% 21 Reckless 0.8 : 3831 10 1898.0 3800 49.9% 22 PlentyChess 7.0.2 : 3829 11 1420.0 2400 59.2% 23 PlentyChess 6.0.15 : 3825 12 1438.0 2660 54.1% 24 Stockfish 15.1 : 3823 9 7410.5 10250 72.3% 25 Stockfish 15 : 3822 10 4778.0 6842 69.8% 26 Alexandria 9.0 : 3819 12 1785.0 3420 52.2% 27 Alexandria 8.1.12 : 3812 11 1527.5 3020 50.6% 28 Obsidian 15.09 : 3812 11 1807.0 3420 52.8% 29 Berserk 14 : 3812 13 707.0 1520 46.5% 30 Berserk 13-20250606 : 3811 10 2078.5 4160 50.0% 31 Stockfish 14.1 : 3809 12 2569.0 3584 71.7% 32 Integral v7dev-8bab : 3809 11 1110.5 2280 48.7% 33 Alexandria 8.1.0 : 3808 10 1521.5 3040 50.0% 34 Obsidian 15 : 3803 12 754.5 1520 49.6% 35 PlentyChess 5.0.0 : 3796 11 1463.5 2660 55.0% 36 Alexandria 8.0.0 : 3795 10 2993.5 5700 52.5% 37 Obsidian 14 : 3793 11 1443.0 2660 54.2% 38 Viridithas 19.0.0 : 3790 11 1439.5 3020 47.7% 39 Caissa 1.25 : 3790 13 933.0 1900 49.1% 40 Clover 9.1 : 3789 10 1613.5 3420 47.2% 41 Lc0 0.31.2 BT3-7464000 1650m : 3789 21 184.5 390 47.3% 42 Berserk 13 : 3784 8 9822.0 19228 51.1% 43 Caissa 1.24 : 3783 10 3052.0 6440 47.4% 44 Pawnocchio 1.9.0 : 3781 12 1033.0 2280 45.3% 45 PlentyChess 4.0.0 : 3780 10 1462.0 3040 48.1% 46 Stockfish 14 : 3779 13 2786.0 3856 72.3% 47 Caissa 1.23 : 3779 14 721.0 1520 47.4% 48 Viridithas 18.0.0 : 3779 12 748.0 1520 49.2% 49 Quanticade 3.0 : 3778 13 763.0 1520 50.2% 50 Halogen 16.0 : 3778 11 1522.0 3420 44.5% 51 Integral 7.0 : 3778 10 1829.5 3800 48.1% 52 Obsidian 13 : 3776 11 841.5 1888 44.6% 53 Caissa 1.22 : 3776 11 1096.0 2280 48.1% 54 Tarnished 5.0 : 3774 11 1107.0 2290 48.3% 55 PlentyChess 2.1.0 : 3769 10 2187.0 4170 52.4% 56 Horsie 1.1 : 3768 9 2513.5 5702 44.1% 57 Berserk 12 : 3765 10 1079.5 2280 47.3% 58 Stormphrax 7.0 : 3758 12 1027.0 2280 45.0% 59 Viridithas 17.0.0 : 3752 13 627.0 1520 41.3% 60 Uralochka 3.42a : 3752 12 697.5 1520 45.9% 61 Alexandria 7.0.0 : 3752 10 2109.5 4180 50.5% 62 Horsie 1.0 : 3751 12 609.0 1520 40.1% 63 Halogen 16.3.2 : 3748 14 685.0 1900 36.1% 64 Caissa 1.20 : 3748 10 2084.5 4177 49.9% 65 Starzix 6.0 : 3747 12 888.5 1900 46.8% 66 Stockfish 13 : 3744 12 1373.0 2200 62.4% 67 Halogen 15 : 3742 13 959.0 2280 42.1% 68 pawnocchio 1.8.1 : 3737 13 596.0 1520 39.2% 69 Obsidian 12 : 3736 11 831.5 1900 43.8% 70 Integral 6.0 : 3736 12 995.0 2280 43.6% 71 RubiChess 20240817 : 3735 11 1289.0 3020 42.7% 72 Clover 8.0.2 : 3730 11 1622.5 3420 47.4% 73 Crystal 3.2 : 3728 28 344.5 476 72.4% 74 Berserk 11.1 : 3726 10 2952.5 5319 55.5% 75 Igel 3.6.0 : 3722 11 790.0 1900 41.6% 76 Caissa 1.18 : 3720 11 751.0 1902 39.5% 77 Titan 1.1 : 3720 10 1882.5 4180 45.0% 78 RubiChess 20240112 : 3718 10 1584.0 3789 41.8% 79 Quanticade 1.0 : 3713 13 627.0 1520 41.3% 80 Rofchade 3.1 : 3708 13 591.0 1520 38.9% 81 Stockfish 12 : 3706 11 1155.0 2104 54.9% 82 Icarus 1.0 : 3705 14 536.5 1520 35.3% 83 Alexandria 6.1.0 : 3697 17 299.5 760 39.4% 84 Berserk 10 : 3694 15 612.0 1168 52.4% 85 Renegade 1.2.0 : 3689 12 624.0 1910 32.7% 86 ChessSystem Tal 2.00 : 3688 17 674.5 1520 44.4% 87 Seer 2.8.0 : 3688 12 1010.5 2660 38.0% 88 KomodoDragon 1.0 : 3687 11 1160.5 3040 38.2% 89 Koivisto 9.0 : 3682 11 1742.0 3540 49.2% 90 Clover 6.1 : 3682 11 1041.5 1900 54.8% 91 Rebel 16.3 : 3678 15 389.0 1150 33.8% 92 Clover 5.0 : 3667 10 1179.5 2660 44.3% 93 Rebel EAS : 3659 16 605.5 1520 39.8% 94 Arasan 25.2 : 3653 16 455.5 1520 30.0% 95 Fire 9.3 : 3641 14 600.0 1900 31.6% 96 Berserk 9.0 : 3640 11 1075.5 2660 40.4% 97 Koivisto 8.0 : 3631 11 1465.5 3339 43.9% 98 Rebel 16 : 3619 20 278.0 652 42.6% 99 Berserk 8.5.1 : 3607 26 174.0 340 51.2% 100 Caissa 1.10 : 3602 12 937.5 2662 35.2% 101 Slowchess 2.8 : 3589 30 154.0 272 56.6% 102 Rubichess 2021 NNUE : 3570 36 75.5 136 55.5% 103 Booot 7.2 : 3556 19 322.0 1140 28.2% 104 Stockfish 11 : 3543 9 3289.5 7400 44.5% 105 Berserk 7 : 3540 17 286.5 1100 26.0% 106 Koivisto 7 : 3539 21 286.5 612 46.8% 107 Seer 2.5 : 3538 15 424.5 1344 31.6% 108 Stockfish 9 : 3509 13 846.5 2280 37.1% 109 Slowchess 2.7 : 3508 26 183.0 340 53.8% 110 Rebel 15.1 : 3495 27 112.0 272 41.2% 111 Rubichess 2.2 : 3486 21 407.5 748 54.5% 112 Koivisto 6 : 3486 11 1426.0 3488 40.9% 113 Minic 3.30 : 3484 15 363.5 1412 25.7% 114 Nemorino 6 : 3478 17 759.0 1900 39.9% 115 Komodo 14 : 3468 10 1387.5 6080 22.8% 116 Arasan 23.3 NNUE : 3454 27 129.5 340 38.1% 117 Black Marlin 7 : 3454 15 387.5 1792 21.6% 118 Fire 8.1 : 3444 20 321.5 612 52.5% 119 Fire 8.2 : 3442 25 194.5 408 47.7% 120 Pedone 3.1 : 3441 18 533.0 884 60.3% 121 Igel 3.05 : 3434 13 1007.0 1808 55.7% 122 Komodo 13.02 : 3424 25 196.0 788 24.9% 123 Ethereal 13 classic : 3423 23 188.5 340 55.4% 124 Komodo 12 : 3409 14 1037.0 2184 47.5% 125 Lc0 CPU-792013 : 3394 19 181.0 760 23.8% 126 Arasan 23.01 NNUE : 3380 62 133.0 204 65.2% 127 Xiphos 0.6 : 3359 25 160.0 340 47.1% 128 Berserk 4.6 : 3352 26 134.0 272 49.3% 129 Stockfish 7 : 3346 14 704.0 1900 37.1% 130 Seer 2.3.0 : 3345 21 184.5 612 30.1% 131 Laser 1.7 : 3303 17 574.5 1220 47.1% 132 Rofchade 2.3 : 3300 16 387.5 788 49.2% 133 Lc0 0.31.2 BT3-7464000 CPU : 3286 43 58.5 210 27.9% 134 Booot 6.5 : 3279 27 102.0 340 30.0% 135 Lc0 0.29dev 791982 : 3262 34 127.0 340 37.4% 136 Defenchess 2.2 : 3255 14 605.5 1412 42.9% 137 Weiss 2.0 : 3244 23 204.5 612 33.4% 138 Lc0 CPU 744204 : 3240 20 229.5 680 33.8% 139 Danasah 9.1 : 3237 13 878.0 1900 46.2% 140 Lc0 CPU 753842 : 3220 24 191.5 544 35.2% 141 Komodo 7 : 3208 11 1860.5 3420 54.4% 142 Toga 3 : 3178 20 373.0 907 41.1% 143 Gull 3 : 3159 11 2164.5 3610 60.0% 144 Houdini 1.5a : 3142 12 1726.0 3420 50.5% 145 Velvet 3.1 : 3133 75 127.0 204 62.3% 146 Komodo 5.1 : 3129 14 1031.5 2660 38.8% 147 Critter 1.6a : 3116 12 1059.0 2660 39.8% 148 Stockfish 3 : 3095 13 984.5 2280 43.2% 149 Protector 1.9.0 : 3068 12 1105.5 2280 48.5% 150 4ku 5.1 : 3042 19 872.0 1520 57.4% 151 4ku 4.0 : 3040 14 979.0 1700 57.6% 152 Lc0 CPU 69722-vf2 : 3030 30 72.5 544 13.3% 153 Rybka 2.3.2a 64 bit : 2934 15 1815.0 2806 64.7% 154 Komodo 1.3 : 2928 15 366.5 1520 24.1% 155 Crafty 25.2 32bit : 2910 24 375.0 570 65.8% 156 Naraku 1.4 : 2758 14 2006.5 5475 36.6% 157 Greko 2021.12 : 2707 18 517.5 1131 45.8% 158 Fruit 2.2.1 : 2690 18 1504.5 2431 61.9% 159 Delfi 5.4 : 2632 20 447.5 844 53.0% 160 Alaric 7.07 : 2602 17 831.5 1488 55.9% 161 Fatalii 0.9 : 2597 26 422.0 576 73.3% 162 Ruffian 2.1.0 : 2558 19 396.0 760 52.1% 163 Rotor 0.7a : 2556 26 159.0 560 28.4% 164 Ruffian 1.0.5 : 2555 18 905.5 1900 47.7% 165 Chessmaster 10 (The King 3.23) : 2531 16 1339.0 3980 33.6% 166 Chessmaster 9000 : 2526 20 422.5 900 46.9% 167 AnMon 5.75 : 2499 17 860.5 1802 47.8% 168 Fritz 5.32 : 2491 15 875.0 2280 38.4% 169 SOS 5.1 for Arena : 2482 21 643.5 1180 54.5% 170 Hermann 2.8 : 2473 18 815.5 2280 35.8% 171 Rebel 9 : 2470 40 177.0 260 68.1% 172 Rebel 6 UCI : 2450 15 2314.0 4634 49.9% 173 Chessmaster 5000 : 2419 36 184.0 320 57.5% 174 TASC R40 v2.5 : 2419 32 1510.0 1900 79.5% 175 TASC R30 v2.5 : 2387 29 1394.0 2016 69.1% 176 Fruit 1.0 : 2382 19 353.0 1197 29.5% 177 Gaia 3.5 : 2379 19 949.5 2069 45.9% 178 Mephisto London 68030 : 2353 30 1380.0 1900 72.6% 179 Cinnamon 2.4 : 2311 19 1264.5 2286 55.3% 180 Millennium ChessGenius ARM 48 MHz : 2201 29 149.0 500 29.8% 181 Mephisto Roma 68020 : 2085 30 664.0 1924 34.5% 182 Goldfish 1.13 : 1965 28 516.0 1584 32.6% 183 Snowy 0.2 : 1951 39 333.0 476 70.0% 184 Heracles 0.616 : 1931 33 429.5 750 57.3% 185 Novag Constellation 6502 3.6 Mhz : 1797 42 147.5 1420 10.4% 186 Pigeon 1.5.1 : 1790 35 265.5 408 65.1% 187 Predateur 2.2.1 : 1786 34 510.5 796 64.1% 188 TSCP 1.81 : 1658 34 737.0 1203 61.3% 189 Monochrome : 1621 35 934.5 1964 47.6% 190 ScySys Mark V : 1500 52 1370.0 2660 51.5% 191 Sargon 1978 UCI 1.01 Depth=5 : 1416 40 374.0 984 38.0% 192 Chess Titans i7-10750H 1CPU : 1384 67 51.0 92 55.4% 193 Cerulean 0.2 : 1369 39 464.0 728 63.7% 194 Nanook 0.17 : 1333 67 39.0 71 54.9% 195 Belofte 2.1.8.1 : 1281 46 751.0 988 76.0% 196 Dragontooth 0.2 : 1279 39 228.0 554 41.2% 197 Fidelity Chess Challenger 7 : 1272 56 533.5 1082 49.3% 198 Virutor Chess 1.1.2 : 1246 37 220.5 1172 18.8% 199 Safrad 2.1 : 1159 43 99.0 558 17.7% 200 Sargon 1978 1.01 UCI 3ply : 1127 43 1804.0 2974 60.7% 201 Fidelity Chess Challenger 1 : 1078 57 252.0 792 31.8% 202 Maia 1900 : 1077 45 1674.5 3140 53.3% 203 Fidelity Chess Challenger 3 : 1061 54 289.0 880 32.8% 204 Maia 1700 : 1034 46 1906.0 3300 57.8% 205 Commodore Chessmate : 1033 55 466.0 1592 29.3% 206 Maia 1500 : 1001 45 339.5 1144 29.7% 207 Data Cash Systems CompuChess II : 997 74 25.5 84 30.4% 208 Battle Chess 1988 P90 : 964 131 12.0 76 15.8% 209 Maia 1300 : 928 48 542.5 1661 32.7% 210 Maia 1100 : 878 47 519.0 2041 25.4% 211 EasyPeasy : 476 124 4.5 640 0.7% White advantage = 30.17 +/- 0.37 Draw rate (equal opponents) = 74.86 % +/- 0.12