# PLAYER : RATING ERROR POINTS PLAYED (%) 1 Stockfish 18 : 3773 9 6050.5 9920 61.0% 2 Stockfish 18dev_26010611 : 3771 12 1365.5 2280 59.9% 3 Stockfish 18dev 031225 : 3767 9 2827.5 4562 62.0% 4 Stockfish 18-dev 12-11-2025 : 3763 10 2595.0 4228 61.4% 5 Reckless 0.10.0-dev-7300f044 : 3757 12 1044.0 1900 54.9% 6 Stockfish 17.1 : 3755 7 13355.5 21590 61.9% 7 Reckless 0.10.0-dev-6abcff05 : 3752 10 1035.5 1900 54.5% 8 Reckless 0.9 : 3748 9 1852.0 3420 54.2% 9 Stockfish 17 : 3746 9 6218.0 9890 62.9% 10 PlentyChess 8.0.0 : 3744 13 988.0 1900 52.0% 11 Reckless 0.9-dev-0dd5b9ac : 3743 11 1057.5 1900 55.7% 12 Stockfish 16.1 : 3742 10 4038.5 6456 62.6% 13 Reckless 0.9dev-c5af2cea : 3740 11 951.0 1900 50.1% 14 PlentyChess 7.0.55 : 3740 11 1646.0 3040 54.1% 15 Lc0 0.32.1 BT4-614750 4060m : 3739 18 283.0 480 59.0% 16 PlentyChess 7.0.37 : 3738 10 1437.0 2660 54.0% 17 Stockfish 16 : 3735 10 4314.0 6462 66.8% 18 PlentyChess 7.0.29 : 3733 9 1530.5 3070 49.9% 19 Pawnocchio 2.0.1 : 3732 11 1152.0 2280 50.5% 20 PlentyChess 7.0 : 3732 9 2467.0 4680 52.7% 21 Obsidian 16.14 : 3729 10 1473.0 2660 55.4% 22 PlentyChess 7.0.12 : 3729 10 2999.0 5380 55.7% 23 Reckless 0.8 : 3727 9 1898.0 3800 49.9% 24 PlentyChess 7.0.2 : 3725 10 1420.0 2400 59.2% 25 PlentyChess 6.0.15 : 3721 10 1438.0 2660 54.1% 26 Stockfish 15.1 : 3720 9 7410.5 10250 72.3% 27 Viridithas 20.0.0 : 3719 13 1102.5 2280 48.4% 28 Stockfish 15 : 3718 9 4778.0 6842 69.8% 29 Alexandria 9.0 : 3715 10 2529.5 4940 51.2% 30 Stormphrax 8.0.0 : 3711 13 928.0 1900 48.8% 31 Hobbes 3.0 : 3710 14 708.0 1520 46.6% 32 Alexandria 8.1.12 : 3709 11 1527.5 3020 50.6% 33 Obsidian 15.09 : 3708 10 1807.0 3420 52.8% 34 Berserk 14 : 3708 13 707.0 1520 46.5% 35 Berserk 13-20250606 : 3707 10 2078.5 4160 50.0% 36 Stockfish 14.1 : 3705 13 2569.0 3584 71.7% 37 Integral v7dev-8bab : 3705 11 1110.5 2280 48.7% 38 Alexandria 8.1.0 : 3704 10 1521.5 3040 50.0% 39 Obsidian 15 : 3699 13 754.5 1520 49.6% 40 PlentyChess 5.0.0 : 3692 11 1463.5 2660 55.0% 41 Raphael 4.2.0 : 3691 15 502.5 1140 44.1% 42 Alexandria 8.0.0 : 3691 9 2993.5 5700 52.5% 43 Obsidian 14 : 3689 11 1443.0 2660 54.2% 44 Viridithas 19.0.0 : 3686 10 1439.5 3020 47.7% 45 Caissa 1.25 : 3686 12 933.0 1900 49.1% 46 Clover 9.1 : 3685 10 1613.5 3420 47.2% 47 Lc0 0.31.2 BT3-7464000 1650m : 3685 19 184.5 390 47.3% 48 Berserk 13 : 3680 8 9822.0 19228 51.1% 49 Caissa 1.24 : 3679 9 3052.0 6440 47.4% 50 Pawnocchio 1.9.0 : 3678 11 1033.0 2280 45.3% 51 PlentyChess 4.0.0 : 3677 10 1462.0 3040 48.1% 52 Stockfish 14 : 3676 11 2786.0 3856 72.3% 53 Caissa 1.23 : 3675 13 721.0 1520 47.4% 54 Viridithas 18.0.0 : 3675 11 748.0 1520 49.2% 55 Quanticade 3.0 : 3675 12 763.0 1520 50.2% 56 Halogen 16.0 : 3674 10 1522.0 3420 44.5% 57 Integral 7.0 : 3674 9 1829.5 3800 48.1% 58 Obsidian 13 : 3672 12 841.5 1888 44.6% 59 Caissa 1.22 : 3672 11 1096.0 2280 48.1% 60 Tarnished 5.0 : 3671 11 1107.0 2290 48.3% 61 PlentyChess 2.1.0 : 3666 10 2187.0 4170 52.4% 62 Horsie 1.1 : 3665 9 2513.5 5702 44.1% 63 Berserk 12 : 3661 12 1079.5 2280 47.3% 64 Stormphrax 7.0 : 3654 11 1027.0 2280 45.0% 65 Viridithas 17.0.0 : 3649 12 627.0 1520 41.3% 66 Uralochka 3.42a : 3648 12 697.5 1520 45.9% 67 Alexandria 7.0.0 : 3648 11 2109.5 4180 50.5% 68 Horsie 1.0 : 3647 13 609.0 1520 40.1% 69 Halogen 16.3.2 : 3645 13 685.0 1900 36.1% 70 Caissa 1.20 : 3644 10 2084.5 4177 49.9% 71 Starzix 6.0 : 3643 11 888.5 1900 46.8% 72 Stockfish 13 : 3640 13 1373.0 2200 62.4% 73 Halogen 15 : 3638 11 959.0 2280 42.1% 74 pawnocchio 1.8.1 : 3633 13 596.0 1520 39.2% 75 Obsidian 12 : 3632 12 831.5 1900 43.8% 76 Integral 6.0 : 3632 11 995.0 2280 43.6% 77 RubiChess 20240817 : 3631 9 1289.0 3020 42.7% 78 Clover 8.0.2 : 3626 11 1622.5 3420 47.4% 79 Crystal 3.2 : 3625 23 344.5 476 72.4% 80 Berserk 11.1 : 3623 10 2952.5 5319 55.5% 81 Igel 3.6.0 : 3618 11 790.0 1900 41.6% 82 Caissa 1.18 : 3616 12 751.0 1902 39.5% 83 Titan 1.1 : 3616 9 1882.5 4180 45.0% 84 RubiChess 20240112 : 3614 11 1584.0 3789 41.8% 85 Quanticade 1.0 : 3609 12 627.0 1520 41.3% 86 Rofchade 3.1 : 3605 13 591.0 1520 38.9% 87 Stockfish 12 : 3602 11 1155.0 2104 54.9% 88 Icarus 1.0 : 3601 12 536.5 1520 35.3% 89 Alexandria 6.1.0 : 3593 17 299.5 760 39.4% 90 Berserk 10 : 3590 14 612.0 1168 52.4% 91 Renegade 1.2.0 : 3585 11 624.0 1910 32.7% 92 ChessSystem Tal 2.00 : 3585 17 674.5 1520 44.4% 93 Seer 2.8.0 : 3584 12 1010.5 2660 38.0% 94 KomodoDragon 1.0 : 3583 10 1160.5 3040 38.2% 95 Koivisto 9.0 : 3578 11 1742.0 3540 49.2% 96 Clover 6.1 : 3578 13 1041.5 1900 54.8% 97 Rebel 16.3 : 3575 14 389.0 1150 33.8% 98 Clover 5.0 : 3564 11 1179.5 2660 44.3% 99 Rebel EAS : 3556 16 605.5 1520 39.8% 100 Arasan 25.2 : 3549 13 455.5 1520 30.0% 101 Fire 9.3 : 3537 13 600.0 1900 31.6% 102 Berserk 9.0 : 3536 11 1075.5 2660 40.4% 103 Koivisto 8.0 : 3527 9 1465.5 3339 43.9% 104 Rebel 16 : 3516 21 278.0 652 42.6% 105 Berserk 8.5.1 : 3504 22 174.0 340 51.2% 106 Caissa 1.10 : 3499 12 937.5 2662 35.2% 107 Slowchess 2.8 : 3486 30 154.0 272 56.6% 108 Rubichess 2021 NNUE : 3466 34 75.5 136 55.5% 109 Booot 7.2 : 3453 18 322.0 1140 28.2% 110 Stockfish 11 : 3439 9 3289.5 7400 44.5% 111 Berserk 7 : 3436 18 286.5 1100 26.0% 112 Koivisto 7 : 3436 20 286.5 612 46.8% 113 Seer 2.5 : 3435 15 424.5 1344 31.6% 114 Stockfish 9 : 3405 11 846.5 2280 37.1% 115 Slowchess 2.7 : 3405 26 183.0 340 53.8% 116 Rebel 15.1 : 3391 26 112.0 272 41.2% 117 Rubichess 2.2 : 3383 21 407.5 748 54.5% 118 Koivisto 6 : 3382 13 1426.0 3488 40.9% 119 Minic 3.30 : 3381 16 363.5 1412 25.7% 120 Nemorino 6 : 3375 15 759.0 1900 39.9% 121 Komodo 14 : 3364 11 1387.5 6080 22.8% 122 Arasan 23.3 NNUE : 3350 24 129.5 340 38.1% 123 Black Marlin 7 : 3350 14 387.5 1792 21.6% 124 Fire 8.1 : 3341 19 321.5 612 52.5% 125 Fire 8.2 : 3338 22 194.5 408 47.7% 126 Pedone 3.1 : 3338 17 533.0 884 60.3% 127 Igel 3.05 : 3330 13 1007.0 1808 55.7% 128 Komodo 13.02 : 3320 23 196.0 788 24.9% 129 Ethereal 13 classic : 3319 23 188.5 340 55.4% 130 Komodo 12 : 3306 14 1037.0 2184 47.5% 131 Lc0 CPU-792013 : 3290 19 181.0 760 23.8% 132 Arasan 23.01 NNUE : 3283 59 133.0 204 65.2% 133 Xiphos 0.6 : 3256 21 160.0 340 47.1% 134 Berserk 4.6 : 3248 27 134.0 272 49.3% 135 Stockfish 7 : 3242 15 704.0 1900 37.1% 136 Seer 2.3.0 : 3241 21 184.5 612 30.1% 137 Laser 1.7 : 3200 16 574.5 1220 47.1% 138 Rofchade 2.3 : 3196 20 387.5 788 49.2% 139 Lc0 0.31.2 BT3-7464000 CPU : 3182 42 58.5 210 27.9% 140 Booot 6.5 : 3175 27 102.0 340 30.0% 141 Lc0 0.29dev 791982 : 3158 34 127.0 340 37.4% 142 Defenchess 2.2 : 3151 14 605.5 1412 42.9% 143 Weiss 2.0 : 3141 22 204.5 612 33.4% 144 Lc0 CPU 744204 : 3137 21 229.5 680 33.8% 145 Danasah 9.1 : 3133 13 878.0 1900 46.2% 146 Lc0 CPU 753842 : 3117 23 191.5 544 35.2% 147 Komodo 7 : 3104 11 1860.5 3420 54.4% 148 Toga 3 : 3076 20 373.0 907 41.1% 149 Gull 3 : 3054 12 2160.0 3610 59.8% 150 Houdini 1.5a : 3038 11 1583.0 3240 48.9% 151 Velvet 3.1 : 3030 64 127.0 204 62.3% 152 Komodo 5.1 : 3022 15 1022.0 2660 38.4% 153 Critter 1.6a : 3012 12 1059.0 2660 39.8% 154 Stockfish 3 : 2991 13 981.5 2280 43.0% 155 Protector 1.9.0 : 2964 13 1105.5 2280 48.5% 156 4ku 5.1 : 2940 21 872.0 1520 57.4% 157 4ku 4.0 : 2937 15 979.0 1700 57.6% 158 Lc0 CPU 69722-vf2 : 2928 35 72.5 544 13.3% 159 Rybka 2.3.2a 64 bit : 2843 15 2027.0 3186 63.6% 160 Komodo 1.3 : 2831 15 609.0 1827 33.3% 161 Crafty 25.2 32bit : 2813 24 375.0 570 65.8% 162 Naraku 1.4 : 2655 12 2066.5 5575 37.1% 163 Greko 2021.12 : 2604 18 517.5 1131 45.8% 164 Fruit 2.2.1 : 2591 17 1504.5 2431 61.9% 165 Musashi 1.0 : 2555 26 275.5 482 57.2% 166 Delfi 5.4 : 2532 18 447.5 844 53.0% 167 Alaric 7.07 : 2502 17 831.5 1488 55.9% 168 Fatalii 0.9 : 2495 26 422.0 576 73.3% 169 Ruffian 2.1.0 : 2459 18 396.0 760 52.1% 170 Ruffian 1.0.5 : 2457 18 905.5 1900 47.7% 171 Rotor 0.7a : 2457 23 159.0 560 28.4% 172 Chessmaster 10 (The King 3.23) : 2431 14 1339.0 3980 33.6% 173 Chessmaster 9000 : 2426 18 422.5 900 46.9% 174 AnMon 5.75 : 2400 16 860.5 1802 47.8% 175 Fritz 5.32 : 2393 17 875.0 2280 38.4% 176 SOS 5.1 for Arena : 2381 18 643.5 1180 54.5% 177 Hermann 2.8 : 2374 17 815.5 2280 35.8% 178 Rebel 9 : 2370 37 177.0 260 68.1% 179 Rebel 6 UCI : 2350 14 2336.5 4734 49.4% 180 Chessmaster 5000 : 2319 30 184.0 320 57.5% 181 TASC R30 v2.5 : 2287 29 1223.5 1636 74.8% 182 Fruit 1.0 : 2280 18 382.5 1372 27.9% 183 Gaia 3.5 : 2278 17 949.5 2069 45.9% 184 Mephisto London 68030 : 2252 30 1225.0 1520 80.6% 185 Cinnamon 2.4 : 2210 19 1264.5 2286 55.3% 186 Millennium ChessGenius ARM 48 MHz : 2101 29 149.0 500 29.8% 187 Mephisto Roma 68020 : 1984 27 613.0 1544 39.7% 188 Goldfish 1.13 : 1864 25 516.0 1584 32.6% 189 Snowy 0.2 : 1850 37 333.0 476 70.0% 190 Heracles 0.616 : 1830 33 429.5 750 57.3% 191 Novag Constellation 6502 3.6 Mhz : 1695 39 136.5 1040 13.1% 192 Pigeon 1.5.1 : 1689 37 265.5 408 65.1% 193 Predateur 2.2.1 : 1685 36 510.5 796 64.1% 194 TSCP 1.81 : 1557 34 737.0 1203 61.3% 195 Monochrome : 1520 35 934.5 1964 47.6% 196 ScySys Mark V : 1395 54 1367.5 2280 60.0% 197 Sargon 1978 UCI 1.01 Depth=5 : 1315 38 374.0 984 38.0% 198 Chess Titans i7-10750H 1CPU : 1283 65 51.0 92 55.4% 199 Cerulean 0.2 : 1268 38 464.0 728 63.7% 200 Nanook 0.17 : 1232 63 39.0 71 54.9% 201 Belofte 2.1.8.1 : 1180 47 751.0 988 76.0% 202 Dragontooth 0.2 : 1178 41 228.0 554 41.2% 203 Fidelity Chess Challenger 7 : 1167 55 533.5 1082 49.3% 204 Virutor Chess 1.1.2 : 1145 37 220.5 1172 18.8% 205 Safrad 2.1 : 1057 45 99.0 558 17.7% 206 Sargon 1978 1.01 UCI 3ply : 1025 45 1804.0 2974 60.7% 207 Maia 1900 : 976 46 1674.5 3140 53.3% 208 Fidelity Chess Challenger 1 : 973 57 252.0 792 31.8% 209 Fidelity Chess Challenger 3 : 957 60 289.0 880 32.8% 210 Maia 1700 : 933 47 1906.0 3300 57.8% 211 Commodore Chessmate : 928 57 466.0 1592 29.3% 212 Maia 1500 : 900 48 339.5 1144 29.7% 213 Data Cash Systems CompuChess II : 892 71 25.5 84 30.4% 214 Battle Chess 1988 P90 : 861 127 12.0 76 15.8% 215 Maia 1300 : 827 46 542.5 1661 32.7% 216 Maia 1100 : 777 46 519.0 2041 25.4% 217 EasyPeasy : 375 133 4.5 640 0.7% White advantage = 29.94 +/- 0.39 Draw rate (equal opponents) = 75.30 % +/- 0.12