# PLAYER : RATING ERROR POINTS PLAYED (%) 1 Stockfish 18 : 3877 9 5593.5 9160 61.1% 2 Stockfish 18dev_26010611 : 3875 12 1365.5 2280 59.9% 3 Stockfish 18dev 031225 : 3871 10 2827.5 4562 62.0% 4 Stockfish 18-dev 12-11-2025 : 3867 11 2595.0 4228 61.4% 5 Reckless 0.10.0-dev-7300f044 : 3861 12 1044.0 1900 54.9% 6 Stockfish 17.1 : 3858 8 13355.5 21590 61.9% 7 Reckless 0.10.0-dev-6abcff05 : 3856 12 1035.5 1900 54.5% 8 Reckless 0.9 : 3852 11 1852.0 3420 54.2% 9 Stockfish 17 : 3850 9 6218.0 9890 62.9% 10 PlentyChess 8.0.0 : 3848 13 988.0 1900 52.0% 11 Reckless 0.9-dev-0dd5b9ac : 3847 12 1057.5 1900 55.7% 12 Stockfish 16.1 : 3846 9 4038.5 6456 62.6% 13 Reckless 0.9dev-c5af2cea : 3844 13 951.0 1900 50.1% 14 PlentyChess 7.0.55 : 3844 11 1646.0 3040 54.1% 15 Lc0 0.32.1 BT4-614750 4060m : 3843 20 283.0 480 59.0% 16 PlentyChess 7.0.37 : 3842 11 1437.0 2660 54.0% 17 Stockfish 16 : 3838 10 4314.0 6462 66.8% 18 PlentyChess 7.0.29 : 3837 11 1530.5 3070 49.9% 19 PlentyChess 7.0 : 3836 10 2467.0 4680 52.7% 20 Pawnocchio 2.0.1 : 3836 13 949.5 1900 50.0% 21 Obsidian 16.14 : 3833 11 1473.0 2660 55.4% 22 PlentyChess 7.0.12 : 3833 10 2999.0 5380 55.7% 23 Reckless 0.8 : 3831 10 1898.0 3800 49.9% 24 PlentyChess 7.0.2 : 3829 11 1420.0 2400 59.2% 25 PlentyChess 6.0.15 : 3825 11 1438.0 2660 54.1% 26 Stockfish 15.1 : 3824 10 7410.5 10250 72.3% 27 Viridithas 20.0.0 : 3823 13 907.5 1900 47.8% 28 Stockfish 15 : 3822 9 4778.0 6842 69.8% 29 Alexandria 9.0 : 3819 10 2326.5 4560 51.0% 30 Stormphrax 8.0.0 : 3815 15 536.0 1140 47.0% 31 Alexandria 8.1.12 : 3813 11 1527.5 3020 50.6% 32 Obsidian 15.09 : 3812 11 1807.0 3420 52.8% 33 Berserk 14 : 3812 11 707.0 1520 46.5% 34 Berserk 13-20250606 : 3811 11 2078.5 4160 50.0% 35 Stockfish 14.1 : 3809 11 2569.0 3584 71.7% 36 Integral v7dev-8bab : 3809 12 1110.5 2280 48.7% 37 Alexandria 8.1.0 : 3808 10 1521.5 3040 50.0% 38 Obsidian 15 : 3803 12 754.5 1520 49.6% 39 PlentyChess 5.0.0 : 3796 13 1463.5 2660 55.0% 40 Alexandria 8.0.0 : 3795 10 2993.5 5700 52.5% 41 Obsidian 14 : 3793 11 1443.0 2660 54.2% 42 Viridithas 19.0.0 : 3790 11 1439.5 3020 47.7% 43 Caissa 1.25 : 3790 13 933.0 1900 49.1% 44 Clover 9.1 : 3789 11 1613.5 3420 47.2% 45 Lc0 0.31.2 BT3-7464000 1650m : 3789 21 184.5 390 47.3% 46 Berserk 13 : 3784 8 9822.0 19228 51.1% 47 Caissa 1.24 : 3783 10 3052.0 6440 47.4% 48 Pawnocchio 1.9.0 : 3782 12 1033.0 2280 45.3% 49 PlentyChess 4.0.0 : 3781 10 1462.0 3040 48.1% 50 Stockfish 14 : 3780 11 2786.0 3856 72.3% 51 Caissa 1.23 : 3779 14 721.0 1520 47.4% 52 Viridithas 18.0.0 : 3779 12 748.0 1520 49.2% 53 Quanticade 3.0 : 3779 14 763.0 1520 50.2% 54 Halogen 16.0 : 3778 12 1522.0 3420 44.5% 55 Integral 7.0 : 3778 10 1829.5 3800 48.1% 56 Obsidian 13 : 3776 12 841.5 1888 44.6% 57 Caissa 1.22 : 3776 11 1096.0 2280 48.1% 58 Tarnished 5.0 : 3775 11 1107.0 2290 48.3% 59 PlentyChess 2.1.0 : 3769 11 2187.0 4170 52.4% 60 Horsie 1.1 : 3768 9 2513.5 5702 44.1% 61 Berserk 12 : 3765 11 1079.5 2280 47.3% 62 Stormphrax 7.0 : 3758 11 1027.0 2280 45.0% 63 Viridithas 17.0.0 : 3753 13 627.0 1520 41.3% 64 Uralochka 3.42a : 3752 13 697.5 1520 45.9% 65 Alexandria 7.0.0 : 3752 10 2109.5 4180 50.5% 66 Horsie 1.0 : 3751 13 609.0 1520 40.1% 67 Halogen 16.3.2 : 3749 12 685.0 1900 36.1% 68 Caissa 1.20 : 3748 11 2084.5 4177 49.9% 69 Starzix 6.0 : 3747 12 888.5 1900 46.8% 70 Stockfish 13 : 3744 12 1373.0 2200 62.4% 71 Halogen 15 : 3742 13 959.0 2280 42.1% 72 pawnocchio 1.8.1 : 3737 13 596.0 1520 39.2% 73 Obsidian 12 : 3736 13 831.5 1900 43.8% 74 Integral 6.0 : 3736 13 995.0 2280 43.6% 75 RubiChess 20240817 : 3735 12 1289.0 3020 42.7% 76 Clover 8.0.2 : 3730 10 1622.5 3420 47.4% 77 Crystal 3.2 : 3728 24 344.5 476 72.4% 78 Berserk 11.1 : 3726 10 2952.5 5319 55.5% 79 Igel 3.6.0 : 3722 12 790.0 1900 41.6% 80 Caissa 1.18 : 3720 12 751.0 1902 39.5% 81 Titan 1.1 : 3720 11 1882.5 4180 45.0% 82 RubiChess 20240112 : 3718 11 1584.0 3789 41.8% 83 Quanticade 1.0 : 3713 14 627.0 1520 41.3% 84 Rofchade 3.1 : 3709 13 591.0 1520 38.9% 85 Stockfish 12 : 3706 13 1155.0 2104 54.9% 86 Icarus 1.0 : 3705 14 536.5 1520 35.3% 87 Alexandria 6.1.0 : 3697 18 299.5 760 39.4% 88 Berserk 10 : 3694 16 612.0 1168 52.4% 89 Renegade 1.2.0 : 3689 13 624.0 1910 32.7% 90 ChessSystem Tal 2.00 : 3689 14 674.5 1520 44.4% 91 Seer 2.8.0 : 3688 12 1010.5 2660 38.0% 92 KomodoDragon 1.0 : 3687 11 1160.5 3040 38.2% 93 Koivisto 9.0 : 3682 11 1742.0 3540 49.2% 94 Clover 6.1 : 3682 14 1041.5 1900 54.8% 95 Rebel 16.3 : 3679 15 389.0 1150 33.8% 96 Clover 5.0 : 3667 11 1179.5 2660 44.3% 97 Rebel EAS : 3660 16 605.5 1520 39.8% 98 Arasan 25.2 : 3653 13 455.5 1520 30.0% 99 Fire 9.3 : 3641 13 600.0 1900 31.6% 100 Berserk 9.0 : 3640 11 1075.5 2660 40.4% 101 Koivisto 8.0 : 3631 11 1465.5 3339 43.9% 102 Rebel 16 : 3619 20 278.0 652 42.6% 103 Berserk 8.5.1 : 3608 24 174.0 340 51.2% 104 Caissa 1.10 : 3603 12 937.5 2662 35.2% 105 Slowchess 2.8 : 3590 29 154.0 272 56.6% 106 Rubichess 2021 NNUE : 3570 37 75.5 136 55.5% 107 Booot 7.2 : 3557 17 322.0 1140 28.2% 108 Stockfish 11 : 3543 9 3289.5 7400 44.5% 109 Berserk 7 : 3540 18 286.5 1100 26.0% 110 Koivisto 7 : 3539 19 286.5 612 46.8% 111 Seer 2.5 : 3539 16 424.5 1344 31.6% 112 Stockfish 9 : 3509 12 846.5 2280 37.1% 113 Slowchess 2.7 : 3508 25 183.0 340 53.8% 114 Rebel 15.1 : 3495 27 112.0 272 41.2% 115 Rubichess 2.2 : 3486 21 407.5 748 54.5% 116 Koivisto 6 : 3486 12 1426.0 3488 40.9% 117 Minic 3.30 : 3485 14 363.5 1412 25.7% 118 Nemorino 6 : 3478 18 759.0 1900 39.9% 119 Komodo 14 : 3468 10 1387.5 6080 22.8% 120 Arasan 23.3 NNUE : 3454 26 129.5 340 38.1% 121 Black Marlin 7 : 3454 14 387.5 1792 21.6% 122 Fire 8.1 : 3445 19 321.5 612 52.5% 123 Fire 8.2 : 3442 24 194.5 408 47.7% 124 Pedone 3.1 : 3441 17 533.0 884 60.3% 125 Igel 3.05 : 3434 13 1007.0 1808 55.7% 126 Komodo 13.02 : 3424 23 196.0 788 24.9% 127 Ethereal 13 classic : 3423 23 188.5 340 55.4% 128 Komodo 12 : 3409 14 1037.0 2184 47.5% 129 Lc0 CPU-792013 : 3394 20 181.0 760 23.8% 130 Arasan 23.01 NNUE : 3380 64 133.0 204 65.2% 131 Xiphos 0.6 : 3359 25 160.0 340 47.1% 132 Berserk 4.6 : 3352 25 134.0 272 49.3% 133 Stockfish 7 : 3346 14 704.0 1900 37.1% 134 Seer 2.3.0 : 3345 21 184.5 612 30.1% 135 Laser 1.7 : 3303 17 574.5 1220 47.1% 136 Rofchade 2.3 : 3300 18 387.5 788 49.2% 137 Lc0 0.31.2 BT3-7464000 CPU : 3286 41 58.5 210 27.9% 138 Booot 6.5 : 3279 28 102.0 340 30.0% 139 Lc0 0.29dev 791982 : 3262 33 127.0 340 37.4% 140 Defenchess 2.2 : 3255 13 605.5 1412 42.9% 141 Weiss 2.0 : 3244 24 204.5 612 33.4% 142 Lc0 CPU 744204 : 3240 20 229.5 680 33.8% 143 Danasah 9.1 : 3237 14 878.0 1900 46.2% 144 Lc0 CPU 753842 : 3221 24 191.5 544 35.2% 145 Komodo 7 : 3208 11 1860.5 3420 54.4% 146 Toga 3 : 3178 21 373.0 907 41.1% 147 Gull 3 : 3159 11 2164.5 3610 60.0% 148 Houdini 1.5a : 3142 12 1726.0 3420 50.5% 149 Velvet 3.1 : 3133 77 127.0 204 62.3% 150 Komodo 5.1 : 3130 14 1031.5 2660 38.8% 151 Critter 1.6a : 3116 13 1059.0 2660 39.8% 152 Stockfish 3 : 3095 13 984.5 2280 43.2% 153 Protector 1.9.0 : 3068 13 1105.5 2280 48.5% 154 4ku 5.1 : 3043 19 872.0 1520 57.4% 155 4ku 4.0 : 3040 14 979.0 1700 57.6% 156 Lc0 CPU 69722-vf2 : 3031 33 72.5 544 13.3% 157 Rybka 2.3.2a 64 bit : 2934 18 1815.0 2806 64.7% 158 Komodo 1.3 : 2928 16 366.5 1520 24.1% 159 Crafty 25.2 32bit : 2910 27 375.0 570 65.8% 160 Naraku 1.4 : 2758 13 2006.5 5475 36.6% 161 Greko 2021.12 : 2707 20 517.5 1131 45.8% 162 Fruit 2.2.1 : 2691 16 1504.5 2431 61.9% 163 Delfi 5.4 : 2632 20 447.5 844 53.0% 164 Alaric 7.07 : 2602 18 831.5 1488 55.9% 165 Fatalii 0.9 : 2597 26 422.0 576 73.3% 166 Ruffian 2.1.0 : 2558 20 396.0 760 52.1% 167 Rotor 0.7a : 2556 23 159.0 560 28.4% 168 Ruffian 1.0.5 : 2555 18 905.5 1900 47.7% 169 Chessmaster 10 (The King 3.23) : 2531 15 1339.0 3980 33.6% 170 Chessmaster 9000 : 2526 19 422.5 900 46.9% 171 AnMon 5.75 : 2499 17 860.5 1802 47.8% 172 Fritz 5.32 : 2491 17 875.0 2280 38.4% 173 SOS 5.1 for Arena : 2483 19 643.5 1180 54.5% 174 Hermann 2.8 : 2473 18 815.5 2280 35.8% 175 Rebel 9 : 2470 37 177.0 260 68.1% 176 Rebel 6 UCI : 2450 15 2314.0 4634 49.9% 177 Chessmaster 5000 : 2419 30 184.0 320 57.5% 178 TASC R40 v2.5 : 2419 30 1510.0 1900 79.5% 179 TASC R30 v2.5 : 2387 26 1394.0 2016 69.1% 180 Fruit 1.0 : 2382 20 353.0 1197 29.5% 181 Gaia 3.5 : 2380 19 949.5 2069 45.9% 182 Mephisto London 68030 : 2353 29 1380.0 1900 72.6% 183 Cinnamon 2.4 : 2311 20 1264.5 2286 55.3% 184 Millennium ChessGenius ARM 48 MHz : 2202 27 149.0 500 29.8% 185 Mephisto Roma 68020 : 2086 29 664.0 1924 34.5% 186 Goldfish 1.13 : 1966 28 516.0 1584 32.6% 187 Snowy 0.2 : 1951 40 333.0 476 70.0% 188 Heracles 0.616 : 1931 37 429.5 750 57.3% 189 Novag Constellation 6502 3.6 Mhz : 1797 41 147.5 1420 10.4% 190 Pigeon 1.5.1 : 1790 38 265.5 408 65.1% 191 Predateur 2.2.1 : 1787 34 510.5 796 64.1% 192 TSCP 1.81 : 1658 35 737.0 1203 61.3% 193 Monochrome : 1621 32 934.5 1964 47.6% 194 ScySys Mark V : 1500 52 1370.0 2660 51.5% 195 Sargon 1978 UCI 1.01 Depth=5 : 1416 41 374.0 984 38.0% 196 Chess Titans i7-10750H 1CPU : 1385 69 51.0 92 55.4% 197 Cerulean 0.2 : 1369 37 464.0 728 63.7% 198 Nanook 0.17 : 1334 69 39.0 71 54.9% 199 Belofte 2.1.8.1 : 1282 45 751.0 988 76.0% 200 Dragontooth 0.2 : 1279 41 228.0 554 41.2% 201 Fidelity Chess Challenger 7 : 1272 51 533.5 1082 49.3% 202 Virutor Chess 1.1.2 : 1247 42 220.5 1172 18.8% 203 Safrad 2.1 : 1159 41 99.0 558 17.7% 204 Sargon 1978 1.01 UCI 3ply : 1127 42 1804.0 2974 60.7% 205 Fidelity Chess Challenger 1 : 1079 56 252.0 792 31.8% 206 Maia 1900 : 1078 42 1674.5 3140 53.3% 207 Fidelity Chess Challenger 3 : 1062 57 289.0 880 32.8% 208 Maia 1700 : 1035 43 1906.0 3300 57.8% 209 Commodore Chessmate : 1033 56 466.0 1592 29.3% 210 Maia 1500 : 1001 43 339.5 1144 29.7% 211 Data Cash Systems CompuChess II : 997 67 25.5 84 30.4% 212 Battle Chess 1988 P90 : 965 110 12.0 76 15.8% 213 Maia 1300 : 928 44 542.5 1661 32.7% 214 Maia 1100 : 879 43 519.0 2041 25.4% 215 EasyPeasy : 476 138 4.5 640 0.7% White advantage = 29.94 +/- 0.42 Draw rate (equal opponents) = 75.15 % +/- 0.12