# PLAYER : RATING ERROR POINTS PLAYED (%) 1 Stockfish 19 : 3798 13 862.0 1522 56.6% 2 Stockfish 18 : 3786 9 6050.5 9920 61.0% 3 Stockfish 18dev_26010611 : 3784 12 1365.5 2280 59.9% 4 Stockfish 18dev 031225 : 3780 11 2827.5 4562 62.0% 5 Stockfish 18-dev 12-11-2025 : 3776 11 2595.0 4228 61.4% 6 Reckless 0.10.0-dev-7300f044 : 3770 12 1219.0 2280 53.5% 7 Stockfish 17.1 : 3767 9 13355.5 21590 61.9% 8 Reckless 0.10.0-dev-6abcff05 : 3765 12 1035.5 1900 54.5% 9 Reckless 0.9 : 3761 11 1852.0 3420 54.2% 10 Stockfish 17 : 3759 9 6218.0 9890 62.9% 11 PlentyChess 8.0.0 : 3757 12 1156.0 2280 50.7% 12 Reckless 0.9-dev-0dd5b9ac : 3756 12 1057.5 1900 55.7% 13 Stockfish 16.1 : 3755 10 4038.5 6456 62.6% 14 Reckless 0.9dev-c5af2cea : 3753 12 951.0 1900 50.1% 15 PlentyChess 7.0.55 : 3753 10 1646.0 3040 54.1% 16 Lc0 0.32.1 BT4-614750 4060m : 3752 20 283.0 480 59.0% 17 PlentyChess 7.0.37 : 3751 10 1437.0 2660 54.0% 18 Stockfish 16 : 3747 9 4314.0 6462 66.8% 19 PlentyChess 7.0.29 : 3746 11 1530.5 3070 49.9% 20 PlentyChess 7.0 : 3745 10 2467.0 4680 52.7% 21 Pawnocchio 2.0.1 : 3745 12 1313.0 2660 49.4% 22 Obsidian 16.14 : 3742 11 1473.0 2660 55.4% 23 PlentyChess 7.0.12 : 3742 11 2999.0 5380 55.7% 24 Reckless 0.8 : 3740 10 1898.0 3800 49.9% 25 PlentyChess 7.0.2 : 3738 12 1420.0 2400 59.2% 26 PlentyChess 6.0.15 : 3734 11 1438.0 2660 54.1% 27 Stockfish 15.1 : 3733 9 7410.5 10250 72.3% 28 Viridithas 20.0.0 : 3732 13 1258.5 2662 47.3% 29 Stockfish 15 : 3731 10 4778.0 6842 69.8% 30 Alexandria 9.0 : 3728 11 2529.5 4940 51.2% 31 Stormphrax 8.0.0 : 3724 14 928.0 1900 48.8% 32 Hobbes 3.0 : 3723 13 708.0 1520 46.6% 33 Alexandria 8.1.12 : 3722 12 1527.5 3020 50.6% 34 Obsidian 15.09 : 3721 10 1807.0 3420 52.8% 35 Berserk 14 : 3721 12 707.0 1520 46.5% 36 Berserk 13-20250606 : 3720 10 2078.5 4160 50.0% 37 Stockfish 14.1 : 3718 11 2569.0 3584 71.7% 38 Integral v7dev-8bab : 3718 11 1110.5 2280 48.7% 39 Alexandria 8.1.0 : 3717 11 1521.5 3040 50.0% 40 Obsidian 15 : 3712 12 754.5 1520 49.6% 41 PlentyChess 5.0.0 : 3705 12 1463.5 2660 55.0% 42 Raphael 4.2.0 : 3704 15 502.5 1140 44.1% 43 Alexandria 8.0.0 : 3704 11 2993.5 5700 52.5% 44 Obsidian 14 : 3702 11 1443.0 2660 54.2% 45 Viridithas 19.0.0 : 3699 11 1439.5 3020 47.7% 46 Caissa 1.25 : 3699 11 933.0 1900 49.1% 47 Clover 9.1 : 3698 10 1613.5 3420 47.2% 48 Lc0 0.31.2 BT3-7464000 1650m : 3698 19 184.5 390 47.3% 49 Berserk 13 : 3693 9 9822.0 19228 51.1% 50 Caissa 1.24 : 3692 10 3052.0 6440 47.4% 51 Pawnocchio 1.9.0 : 3691 11 1033.0 2280 45.3% 52 PlentyChess 4.0.0 : 3690 11 1462.0 3040 48.1% 53 Stockfish 14 : 3689 11 2786.0 3856 72.3% 54 Caissa 1.23 : 3688 13 721.0 1520 47.4% 55 Viridithas 18.0.0 : 3688 14 748.0 1520 49.2% 56 Quanticade 3.0 : 3688 12 763.0 1520 50.2% 57 Halogen 16.0 : 3687 10 1522.0 3420 44.5% 58 Integral 7.0 : 3687 11 1829.5 3800 48.1% 59 Obsidian 13 : 3685 12 841.5 1888 44.6% 60 Caissa 1.22 : 3685 11 1096.0 2280 48.1% 61 Tarnished 5.0 : 3684 12 1107.0 2290 48.3% 62 PlentyChess 2.1.0 : 3679 11 2187.0 4170 52.4% 63 Horsie 1.1 : 3677 9 2513.5 5702 44.1% 64 Berserk 12 : 3674 11 1079.5 2280 47.3% 65 Stormphrax 7.0 : 3667 12 1027.0 2280 45.0% 66 Viridithas 17.0.0 : 3662 14 627.0 1520 41.3% 67 Uralochka 3.42a : 3661 12 697.5 1520 45.9% 68 Alexandria 7.0.0 : 3661 11 2109.5 4180 50.5% 69 Horsie 1.0 : 3660 13 609.0 1520 40.1% 70 Halogen 16.3.2 : 3658 13 685.0 1900 36.1% 71 Caissa 1.20 : 3657 11 2084.5 4177 49.9% 72 Starzix 6.0 : 3656 12 888.5 1900 46.8% 73 Stockfish 13 : 3653 13 1373.0 2200 62.4% 74 Halogen 15 : 3651 12 959.0 2280 42.1% 75 pawnocchio 1.8.1 : 3646 14 596.0 1520 39.2% 76 Obsidian 12 : 3645 12 831.5 1900 43.8% 77 Integral 6.0 : 3645 12 995.0 2280 43.6% 78 RubiChess 20240817 : 3644 11 1289.0 3020 42.7% 79 Clover 8.0.2 : 3639 11 1622.5 3420 47.4% 80 Crystal 3.2 : 3637 22 344.5 476 72.4% 81 Berserk 11.1 : 3636 10 2952.5 5319 55.5% 82 Igel 3.6.0 : 3631 12 790.0 1900 41.6% 83 Caissa 1.18 : 3629 13 751.0 1902 39.5% 84 Titan 1.1 : 3629 10 1882.5 4180 45.0% 85 RubiChess 20240112 : 3627 11 1584.0 3789 41.8% 86 Quanticade 1.0 : 3622 14 627.0 1520 41.3% 87 Rofchade 3.1 : 3618 13 591.0 1520 38.9% 88 Stockfish 12 : 3615 14 1155.0 2104 54.9% 89 Icarus 1.0 : 3614 13 536.5 1520 35.3% 90 Alexandria 6.1.0 : 3606 18 299.5 760 39.4% 91 Berserk 10 : 3603 15 612.0 1168 52.4% 92 Renegade 1.2.0 : 3598 11 624.0 1910 32.7% 93 ChessSystem Tal 2.00 : 3598 15 674.5 1520 44.4% 94 Seer 2.8.0 : 3597 12 1010.5 2660 38.0% 95 KomodoDragon 1.0 : 3596 11 1160.5 3040 38.2% 96 Koivisto 9.0 : 3591 12 1742.0 3540 49.2% 97 Clover 6.1 : 3591 14 1041.5 1900 54.8% 98 Rebel 16.3 : 3588 16 389.0 1150 33.8% 99 Clover 5.0 : 3576 12 1179.5 2660 44.3% 100 Rebel EAS : 3569 13 605.5 1520 39.8% 101 Arasan 25.2 : 3562 13 455.5 1520 30.0% 102 Fire 9.3 : 3550 16 600.0 1900 31.6% 103 Berserk 9.0 : 3549 12 1075.5 2660 40.4% 104 Koivisto 8.0 : 3540 12 1465.5 3339 43.9% 105 Rebel 16 : 3529 20 278.0 652 42.6% 106 Berserk 8.5.1 : 3517 23 174.0 340 51.2% 107 Caissa 1.10 : 3512 13 937.5 2662 35.2% 108 Slowchess 2.8 : 3499 29 154.0 272 56.6% 109 Rubichess 2021 NNUE : 3479 41 75.5 136 55.5% 110 Booot 7.2 : 3466 17 322.0 1140 28.2% 111 Stockfish 11 : 3452 10 3289.5 7400 44.5% 112 Berserk 7 : 3449 16 286.5 1100 26.0% 113 Koivisto 7 : 3449 20 286.5 612 46.8% 114 Seer 2.5 : 3448 14 424.5 1344 31.6% 115 Stockfish 9 : 3418 12 846.5 2280 37.1% 116 Slowchess 2.7 : 3417 25 183.0 340 53.8% 117 Rebel 15.1 : 3404 28 112.0 272 41.2% 118 Rubichess 2.2 : 3396 21 407.5 748 54.5% 119 Koivisto 6 : 3395 12 1426.0 3488 40.9% 120 Minic 3.30 : 3394 16 363.5 1412 25.7% 121 Nemorino 6 : 3388 16 759.0 1900 39.9% 122 Komodo 14 : 3377 12 1387.5 6080 22.8% 123 Arasan 23.3 NNUE : 3363 24 129.5 340 38.1% 124 Black Marlin 7 : 3363 15 387.5 1792 21.6% 125 Fire 8.1 : 3354 19 321.5 612 52.5% 126 Fire 8.2 : 3351 22 194.5 408 47.7% 127 Pedone 3.1 : 3350 17 533.0 884 60.3% 128 Igel 3.05 : 3343 15 1007.0 1808 55.7% 129 Komodo 13.02 : 3333 23 196.0 788 24.9% 130 Ethereal 13 classic : 3332 26 188.5 340 55.4% 131 Komodo 12 : 3318 14 1037.0 2184 47.5% 132 Lc0 CPU-792013 : 3303 18 181.0 760 23.8% 133 Arasan 23.01 NNUE : 3293 59 133.0 204 65.2% 134 Xiphos 0.6 : 3269 26 160.0 340 47.1% 135 Berserk 4.6 : 3261 25 134.0 272 49.3% 136 Stockfish 7 : 3255 14 704.0 1900 37.1% 137 Seer 2.3.0 : 3254 21 184.5 612 30.1% 138 Laser 1.7 : 3212 16 574.5 1220 47.1% 139 Rofchade 2.3 : 3209 17 387.5 788 49.2% 140 Lc0 0.31.2 BT3-7464000 CPU : 3195 37 58.5 210 27.9% 141 Booot 6.5 : 3188 25 102.0 340 30.0% 142 Lc0 0.29dev 791982 : 3170 30 127.0 340 37.4% 143 Defenchess 2.2 : 3164 14 605.5 1412 42.9% 144 Weiss 2.0 : 3153 25 204.5 612 33.4% 145 Lc0 CPU 744204 : 3149 20 229.5 680 33.8% 146 Danasah 9.1 : 3146 13 878.0 1900 46.2% 147 Lc0 CPU 753842 : 3130 22 191.5 544 35.2% 148 Komodo 7 : 3117 11 1860.5 3420 54.4% 149 Toga 3 : 3088 19 373.0 907 41.1% 150 Gull 3 : 3068 11 2160.0 3610 59.8% 151 Houdini 1.5a : 3052 12 1583.0 3240 48.9% 152 Komodo 5.1 : 3036 14 1022.0 2660 38.4% 153 Velvet 3.1 : 3036 70 127.0 204 62.3% 154 Critter 1.6a : 3025 12 1059.0 2660 39.8% 155 Stockfish 3 : 3006 14 981.5 2280 43.0% 156 Protector 1.9.0 : 2976 12 1105.5 2280 48.5% 157 4ku 5.1 : 2948 19 872.0 1520 57.4% 158 4ku 4.0 : 2947 15 979.0 1700 57.6% 159 Lc0 CPU 69722-vf2 : 2940 31 72.5 544 13.3% 160 Rybka 2.3.2a 64 bit : 2854 13 2027.0 3186 63.6% 161 Komodo 1.3 : 2854 13 1398.5 2788 50.2% 162 Crafty 25.2 32bit : 2820 23 375.0 570 65.8% 163 Naraku 1.4 : 2660 12 2513.5 6215 40.4% 164 Musashi 1.2 : 2641 19 903.5 1361 66.4% 165 Greko 2021.12 : 2609 19 517.5 1131 45.8% 166 Fruit 2.2.1 : 2594 16 1504.5 2431 61.9% 167 Musashi 1.1 : 2586 19 844.0 1360 62.1% 168 Musashi 1.0 : 2571 23 322.5 702 45.9% 169 Delfi 5.4 : 2538 19 447.5 844 53.0% 170 Alaric 7.07 : 2504 16 831.5 1488 55.9% 171 Fatalii 0.9 : 2492 25 422.0 576 73.3% 172 Ruffian 2.1.0 : 2464 18 396.0 760 52.1% 173 Rotor 0.7a : 2461 24 159.0 560 28.4% 174 Ruffian 1.0.5 : 2459 17 905.5 1900 47.7% 175 Chessmaster 10 (The King 3.33) : 2438 14 1550.5 4360 35.6% 176 Chessmaster 9000 : 2435 18 629.0 1280 49.1% 177 Chessmaster 8000 : 2410 16 622.0 1520 40.9% 178 AnMon 5.75 : 2399 15 1036.0 2182 47.5% 179 Fritz 5.32 : 2394 15 875.0 2280 38.4% 180 SOS 5.1 for Arena : 2378 18 643.5 1180 54.5% 181 Hermann 2.8 : 2376 16 815.5 2280 35.8% 182 Rebel 9 : 2370 36 177.0 260 68.1% 183 Rebel 6 UCI : 2350 12 2367.5 4934 48.0% 184 Chessmaster 5000 : 2320 31 184.0 320 57.5% 185 TASC R30 v2.5 : 2288 27 1223.5 1636 74.8% 186 Gaia 3.5 : 2278 17 1051.0 2829 37.2% 187 Fruit 1.0 : 2271 17 464.5 2132 21.8% 188 Mephisto London 68030 : 2253 33 1225.0 1520 80.6% 189 Cinnamon 2.4 : 2211 19 1264.5 2286 55.3% 190 Millennium ChessGenius ARM 48 MHz : 2102 29 149.0 500 29.8% 191 Mephisto Roma 68020 : 1984 29 613.0 1544 39.7% 192 Goldfish 1.13 : 1865 28 516.0 1584 32.6% 193 Snowy 0.2 : 1850 38 333.0 476 70.0% 194 Heracles 0.616 : 1831 36 429.5 750 57.3% 195 Novag Constellation 6502 3.6 Mhz : 1696 46 136.5 1040 13.1% 196 Pigeon 1.5.1 : 1690 41 265.5 408 65.1% 197 Predateur 2.2.1 : 1686 35 510.5 796 64.1% 198 TSCP 1.81 : 1557 37 737.0 1203 61.3% 199 Monochrome : 1521 35 934.5 1964 47.6% 200 ScySys Mark V : 1395 59 1367.5 2280 60.0% 201 Sargon 1978 UCI 1.01 Depth=5 : 1315 36 374.0 984 38.0% 202 Chess Titans i7-10750H 1CPU : 1284 69 51.0 92 55.4% 203 Cerulean 0.2 : 1268 40 464.0 728 63.7% 204 Nanook 0.17 : 1233 72 39.0 71 54.9% 205 Belofte 2.1.8.1 : 1181 47 751.0 988 76.0% 206 Dragontooth 0.2 : 1178 43 228.0 554 41.2% 207 Fidelity Chess Challenger 7 : 1168 61 533.5 1082 49.3% 208 Virutor Chess 1.1.2 : 1146 40 220.5 1172 18.8% 209 Safrad 2.1 : 1058 44 99.0 558 17.7% 210 Sargon 1978 1.01 UCI 3ply : 1026 44 1804.0 2974 60.7% 211 Maia 1900 : 977 46 1674.5 3140 53.3% 212 Fidelity Chess Challenger 1 : 974 67 252.0 792 31.8% 213 Fidelity Chess Challenger 3 : 957 66 289.0 880 32.8% 214 Maia 1700 : 934 46 1906.0 3300 57.8% 215 Commodore Chessmate : 928 65 466.0 1592 29.3% 216 Maia 1500 : 900 48 339.5 1144 29.7% 217 Data Cash Systems CompuChess II : 893 76 25.5 84 30.4% 218 Battle Chess 1988 P90 : 862 110 12.0 76 15.8% 219 Maia 1300 : 827 48 542.5 1661 32.7% 220 Maia 1100 : 778 47 519.0 2041 25.4% 221 EasyPeasy : 375 122 4.5 640 0.7% White advantage = 30.07 +/- 0.40 Draw rate (equal opponents) = 75.15 % +/- 0.10