# PLAYER : RATING ERROR POINTS PLAYED (%) 1 Stockfish 19 : 3803 12 1075.0 1902 56.5% 2 Stockfish 18 : 3791 8 6050.5 9920 61.0% 3 Stockfish 18dev_26010611 : 3789 11 1365.5 2280 59.9% 4 Stockfish 18dev 031225 : 3785 9 2827.5 4562 62.0% 5 Stockfish 18-dev 12-11-2025 : 3781 10 2595.0 4228 61.4% 6 Reckless 0.10.0-dev-7300f044 : 3775 11 1219.0 2280 53.5% 7 Stockfish 17.1 : 3773 7 13355.5 21590 61.9% 8 Reckless 0.10.0-dev-6abcff05 : 3770 11 1035.5 1900 54.5% 9 Reckless 0.9 : 3766 10 2047.5 3800 53.9% 10 Stockfish 17 : 3764 8 6218.0 9890 62.9% 11 PlentyChess 8.0.0 : 3762 11 1347.5 2660 50.7% 12 Reckless 0.9-dev-0dd5b9ac : 3761 12 1057.5 1900 55.7% 13 Stockfish 16.1 : 3760 8 4038.5 6456 62.6% 14 Integral 8.0 : 3758 13 540.0 1140 47.4% 15 Reckless 0.9dev-c5af2cea : 3758 11 951.0 1900 50.1% 16 PlentyChess 7.0.55 : 3758 10 1646.0 3040 54.1% 17 Lc0 0.32.1 BT4-614750 4060m : 3757 20 283.0 480 59.0% 18 PlentyChess 7.0.37 : 3756 10 1437.0 2660 54.0% 19 Stockfish 16 : 3753 8 4314.0 6462 66.8% 20 PlentyChess 7.0.29 : 3752 10 1530.5 3070 49.9% 21 PlentyChess 7.0 : 3750 9 2467.0 4680 52.7% 22 Pawnocchio 2.0.1 : 3750 12 1313.0 2660 49.4% 23 Obsidian 16.14 : 3747 10 1473.0 2660 55.4% 24 PlentyChess 7.0.12 : 3747 9 2999.0 5380 55.7% 25 Reckless 0.8 : 3745 10 1898.0 3800 49.9% 26 PlentyChess 7.0.2 : 3743 11 1420.0 2400 59.2% 27 PlentyChess 6.0.15 : 3739 11 1438.0 2660 54.1% 28 Stockfish 15.1 : 3738 9 7410.5 10250 72.3% 29 Viridithas 20.0.0 : 3737 11 1258.5 2662 47.3% 30 Stockfish 15 : 3736 9 4778.0 6842 69.8% 31 Alexandria 9.0 : 3733 10 2529.5 4940 51.2% 32 Stormphrax 8.0.0 : 3729 13 928.0 1900 48.8% 33 Hobbes 3.0 : 3727 13 708.0 1520 46.6% 34 Alexandria 8.1.12 : 3727 10 1527.5 3020 50.6% 35 Obsidian 15.09 : 3726 9 1807.0 3420 52.8% 36 Berserk 14 : 3726 13 707.0 1520 46.5% 37 Berserk 13-20250606 : 3725 10 2078.5 4160 50.0% 38 Integral v7dev-8bab : 3723 10 1110.5 2280 48.7% 39 Stockfish 14.1 : 3723 12 2569.0 3584 71.7% 40 Alexandria 8.1.0 : 3722 9 1521.5 3040 50.0% 41 Obsidian 15 : 3717 12 754.5 1520 49.6% 42 PlentyChess 5.0.0 : 3710 11 1463.5 2660 55.0% 43 Alexandria 8.0.0 : 3709 9 2993.5 5700 52.5% 44 Raphael 4.2.0 : 3709 14 502.5 1140 44.1% 45 Obsidian 14 : 3707 9 1443.0 2660 54.2% 46 Viridithas 19.0.0 : 3704 10 1439.5 3020 47.7% 47 Caissa 1.25 : 3704 12 933.0 1900 49.1% 48 Clover 9.1 : 3703 10 1613.5 3420 47.2% 49 Lc0 0.31.2 BT3-7464000 1650m : 3703 20 184.5 390 47.3% 50 Berserk 13 : 3698 8 9822.0 19228 51.1% 51 Caissa 1.24 : 3697 9 3052.0 6440 47.4% 52 Pawnocchio 1.9.0 : 3696 11 1033.0 2280 45.3% 53 PlentyChess 4.0.0 : 3695 9 1462.0 3040 48.1% 54 Stockfish 14 : 3694 10 2786.0 3856 72.3% 55 Caissa 1.23 : 3693 12 721.0 1520 47.4% 56 Viridithas 18.0.0 : 3693 12 748.0 1520 49.2% 57 Quanticade 3.0 : 3693 12 763.0 1520 50.2% 58 Halogen 16.0 : 3692 10 1522.0 3420 44.5% 59 Integral 7.0 : 3692 9 1829.5 3800 48.1% 60 Obsidian 13 : 3690 12 841.5 1888 44.6% 61 Caissa 1.22 : 3690 11 1096.0 2280 48.1% 62 Tarnished 5.0 : 3689 11 1107.0 2290 48.3% 63 PlentyChess 2.1.0 : 3684 10 2187.0 4170 52.4% 64 Horsie 1.1 : 3683 9 2513.5 5702 44.1% 65 Berserk 12 : 3679 10 1079.5 2280 47.3% 66 Stormphrax 7.0 : 3672 11 1027.0 2280 45.0% 67 Viridithas 17.0.0 : 3667 12 627.0 1520 41.3% 68 Uralochka 3.42a : 3666 11 697.5 1520 45.9% 69 Alexandria 7.0.0 : 3666 9 2109.5 4180 50.5% 70 Horsie 1.0 : 3665 11 609.0 1520 40.1% 71 Halogen 16.3.2 : 3663 13 685.0 1900 36.1% 72 Caissa 1.20 : 3662 10 2084.5 4177 49.9% 73 Starzix 6.0 : 3661 13 888.5 1900 46.8% 74 Stockfish 13 : 3658 12 1373.0 2200 62.4% 75 Halogen 15 : 3656 10 959.0 2280 42.1% 76 pawnocchio 1.8.1 : 3651 12 596.0 1520 39.2% 77 Obsidian 12 : 3650 11 831.5 1900 43.8% 78 Integral 6.0 : 3650 10 995.0 2280 43.6% 79 RubiChess 20240817 : 3649 10 1289.0 3020 42.7% 80 Clover 8.0.2 : 3644 9 1622.5 3420 47.4% 81 Crystal 3.2 : 3642 26 344.5 476 72.4% 82 Berserk 11.1 : 3641 9 2952.5 5319 55.5% 83 Igel 3.6.0 : 3636 11 790.0 1900 41.6% 84 Caissa 1.18 : 3634 10 751.0 1902 39.5% 85 Titan 1.1 : 3634 9 1882.5 4180 45.0% 86 RubiChess 20240112 : 3632 9 1584.0 3789 41.8% 87 Quanticade 1.0 : 3627 13 627.0 1520 41.3% 88 Rofchade 3.1 : 3623 12 591.0 1520 38.9% 89 Stockfish 12 : 3620 13 1155.0 2104 54.9% 90 Icarus 1.0 : 3619 13 536.5 1520 35.3% 91 Alexandria 6.1.0 : 3611 17 299.5 760 39.4% 92 Berserk 10 : 3608 14 612.0 1168 52.4% 93 Renegade 1.2.0 : 3603 12 624.0 1910 32.7% 94 ChessSystem Tal 2.00 : 3603 15 674.5 1520 44.4% 95 Seer 2.8.0 : 3602 11 1010.5 2660 38.0% 96 KomodoDragon 1.0 : 3601 10 1160.5 3040 38.2% 97 Koivisto 9.0 : 3596 10 1742.0 3540 49.2% 98 Clover 6.1 : 3596 12 1041.5 1900 54.8% 99 Rebel 16.3 : 3593 16 389.0 1150 33.8% 100 Clover 5.0 : 3582 11 1179.5 2660 44.3% 101 Rebel EAS : 3574 16 605.5 1520 39.8% 102 Arasan 25.2 : 3567 14 455.5 1520 30.0% 103 Fire 9.3 : 3555 12 600.0 1900 31.6% 104 Berserk 9.0 : 3554 10 1075.5 2660 40.4% 105 Koivisto 8.0 : 3545 10 1465.5 3339 43.9% 106 Rebel 16 : 3534 20 278.0 652 42.6% 107 Berserk 8.5.1 : 3522 27 174.0 340 51.2% 108 Caissa 1.10 : 3517 11 937.5 2662 35.2% 109 Slowchess 2.8 : 3504 29 154.0 272 56.6% 110 Rubichess 2021 NNUE : 3484 36 75.5 136 55.5% 111 Booot 7.2 : 3471 19 322.0 1140 28.2% 112 Stockfish 11 : 3457 9 3289.5 7400 44.5% 113 Berserk 7 : 3454 18 286.5 1100 26.0% 114 Koivisto 7 : 3454 21 286.5 612 46.8% 115 Seer 2.5 : 3453 14 424.5 1344 31.6% 116 Stockfish 9 : 3423 11 846.5 2280 37.1% 117 Slowchess 2.7 : 3422 26 183.0 340 53.8% 118 Rebel 15.1 : 3409 26 112.0 272 41.2% 119 Rubichess 2.2 : 3401 19 407.5 748 54.5% 120 Koivisto 6 : 3400 10 1426.0 3488 40.9% 121 Minic 3.30 : 3399 16 363.5 1412 25.7% 122 Nemorino 6 : 3393 15 759.0 1900 39.9% 123 Komodo 14 : 3382 10 1387.5 6080 22.8% 124 Arasan 23.3 NNUE : 3368 24 129.5 340 38.1% 125 Black Marlin 7 : 3368 14 387.5 1792 21.6% 126 Fire 8.1 : 3359 18 321.5 612 52.5% 127 Fire 8.2 : 3356 22 194.5 408 47.7% 128 Pedone 3.1 : 3356 17 533.0 884 60.3% 129 Igel 3.05 : 3348 13 1007.0 1808 55.7% 130 Komodo 13.02 : 3338 23 196.0 788 24.9% 131 Ethereal 13 classic : 3337 23 188.5 340 55.4% 132 Komodo 12 : 3324 16 1037.0 2184 47.5% 133 Lc0 CPU-792013 : 3308 21 181.0 760 23.8% 134 Arasan 23.01 NNUE : 3298 70 133.0 204 65.2% 135 Xiphos 0.6 : 3274 25 160.0 340 47.1% 136 Berserk 4.6 : 3266 25 134.0 272 49.3% 137 Stockfish 7 : 3260 14 704.0 1900 37.1% 138 Seer 2.3.0 : 3259 22 184.5 612 30.1% 139 Laser 1.7 : 3217 17 574.5 1220 47.1% 140 Rofchade 2.3 : 3214 17 387.5 788 49.2% 141 Lc0 0.31.2 BT3-7464000 CPU : 3200 41 58.5 210 27.9% 142 Booot 6.5 : 3193 26 102.0 340 30.0% 143 Lc0 0.29dev 791982 : 3175 34 127.0 340 37.4% 144 Defenchess 2.2 : 3169 14 605.5 1412 42.9% 145 Weiss 2.0 : 3158 25 204.5 612 33.4% 146 Lc0 CPU 744204 : 3154 22 229.5 680 33.8% 147 Danasah 9.1 : 3151 12 878.0 1900 46.2% 148 Lc0 CPU 753842 : 3135 21 191.5 544 35.2% 149 Komodo 7 : 3122 12 1860.5 3420 54.4% 150 Toga 3 : 3093 22 373.0 907 41.1% 151 Gull 3 : 3073 11 2160.0 3610 59.8% 152 Houdini 1.5a : 3057 11 1583.0 3240 48.9% 153 Komodo 5.1 : 3043 14 1022.0 2660 38.4% 154 Velvet 3.1 : 3036 70 127.0 204 62.3% 155 Critter 1.6a : 3030 12 1059.0 2660 39.8% 156 Stockfish 3 : 3012 12 981.5 2280 43.0% 157 Protector 1.9.0 : 2981 13 1105.5 2280 48.5% 158 4ku 4.0 : 2950 14 979.0 1700 57.6% 159 4ku 5.1 : 2950 18 872.0 1520 57.4% 160 Lc0 CPU 69722-vf2 : 2945 33 72.5 544 13.3% 161 Komodo 1.3 : 2864 13 1709.5 3168 54.0% 162 Rybka 2.3.2a 64 bit : 2859 16 2027.0 3186 63.6% 163 Crafty 25.2 32bit : 2823 29 375.0 570 65.8% 164 Naraku 1.4 : 2660 12 2569.0 6335 40.6% 165 Musashi 1.3 : 2654 17 1115.5 1740 64.1% 166 Musashi 1.2 : 2633 16 1070.0 1741 61.5% 167 Greko 2021.12 : 2610 20 517.5 1131 45.8% 168 Fruit 2.2.1 : 2595 15 1504.5 2431 61.9% 169 Musashi 1.1 : 2589 22 844.0 1360 62.1% 170 Musashi 1.0 : 2575 24 322.5 702 45.9% 171 Delfi 5.4 : 2539 19 447.5 844 53.0% 172 Alaric 7.07 : 2504 16 831.5 1488 55.9% 173 Fatalii 0.9 : 2492 23 422.0 576 73.3% 174 Ruffian 2.1.0 : 2465 18 396.0 760 52.1% 175 Rotor 0.7a : 2462 24 159.0 560 28.4% 176 Ruffian 1.0.5 : 2460 16 905.5 1900 47.7% 177 Chessmaster 10 (The King 3.33) : 2439 15 1550.5 4360 35.6% 178 Chessmaster 9000 : 2436 18 629.0 1280 49.1% 179 Chessmaster 8000 : 2411 15 622.0 1520 40.9% 180 AnMon 5.75 : 2399 15 1036.0 2182 47.5% 181 Fritz 5.32 : 2395 15 875.0 2280 38.4% 182 SOS 5.1 for Arena : 2377 18 643.5 1180 54.5% 183 Hermann 2.8 : 2376 15 815.5 2280 35.8% 184 Rebel 9 : 2370 38 177.0 260 68.1% 185 Rebel 6 UCI : 2350 14 2378.0 5034 47.2% 186 Chessmaster 5000 : 2319 34 184.0 320 57.5% 187 TASC R30 v2.5 : 2288 28 1223.5 1636 74.8% 188 Gaia 3.5 : 2280 14 1097.5 3209 34.2% 189 Fruit 1.0 : 2269 17 499.0 2512 19.9% 190 Mephisto London 68030 : 2253 33 1225.0 1520 80.6% 191 Cinnamon 2.4 : 2212 17 1264.5 2286 55.3% 192 Millennium ChessGenius ARM 48 MHz : 2101 33 149.0 500 29.8% 193 Mephisto Roma 68020 : 1984 31 613.0 1544 39.7% 194 Goldfish 1.13 : 1866 24 516.0 1584 32.6% 195 Snowy 0.2 : 1851 35 333.0 476 70.0% 196 Heracles 0.616 : 1831 29 429.5 750 57.3% 197 Novag Constellation 6502 3.6 Mhz : 1695 48 136.5 1040 13.1% 198 Pigeon 1.5.1 : 1690 36 265.5 408 65.1% 199 Predateur 2.2.1 : 1687 32 510.5 796 64.1% 200 TSCP 1.81 : 1558 33 737.0 1203 61.3% 201 Monochrome : 1521 32 934.5 1964 47.6% 202 ScySys Mark V : 1395 52 1367.5 2280 60.0% 203 Sargon 1978 UCI 1.01 Depth=5 : 1316 36 374.0 984 38.0% 204 Chess Titans i7-10750H 1CPU : 1284 72 51.0 92 55.4% 205 Cerulean 0.2 : 1269 37 464.0 728 63.7% 206 Nanook 0.17 : 1234 69 39.0 71 54.9% 207 Belofte 2.1.8.1 : 1181 40 751.0 988 76.0% 208 Dragontooth 0.2 : 1179 38 228.0 554 41.2% 209 Fidelity Chess Challenger 7 : 1168 52 533.5 1082 49.3% 210 Virutor Chess 1.1.2 : 1147 34 220.5 1172 18.8% 211 Safrad 2.1 : 1059 43 99.0 558 17.7% 212 Sargon 1978 1.01 UCI 3ply : 1027 39 1804.0 2974 60.7% 213 Maia 1900 : 978 40 1674.5 3140 53.3% 214 Fidelity Chess Challenger 1 : 974 54 252.0 792 31.8% 215 Fidelity Chess Challenger 3 : 957 57 289.0 880 32.8% 216 Maia 1700 : 935 40 1906.0 3300 57.8% 217 Commodore Chessmate : 928 54 466.0 1592 29.3% 218 Maia 1500 : 901 41 339.5 1144 29.7% 219 Data Cash Systems CompuChess II : 892 73 25.5 84 30.4% 220 Battle Chess 1988 P90 : 862 108 12.0 76 15.8% 221 Maia 1300 : 828 42 542.5 1661 32.7% 222 Maia 1100 : 778 41 519.0 2041 25.4% 223 EasyPeasy : 376 123 4.5 640 0.7% White advantage = 29.97 +/- 0.40 Draw rate (equal opponents) = 75.10 % +/- 0.12