Thanks to our testers, over 23,000 games were added for ranking evaluation in May. Thanks to this, the CEDR ranking as of June 1, 2024 was based on 356,831 games!
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| Chess Engines Diary Rating CEDR – 01.06.2024 | |||||
| generated with Ordo 0.9.9 (anchor Critter 1.6a with 3230) | |||||
| All 356.831 games, Time:3’+3” Minimum 250 games | |||||
| Pl | Engine | Rating | Score | Games | (%) |
| 1 | CorChess 20240502 | 3771.2 | 174.00 | 304 | 57.24 |
| 2 | Stockfish 20231104 | 3766.3 | 221.00 | 301 | 73.42 |
| Stockfish 16.1 | 3756.5 | 1493.00 | 2632 | 56.72 | |
| 3 | Dragon 3.3 | 3716.5 | 2024.50 | 3916 | 51.70 |
| 4 | Berserk 13 | 3708.8 | 1008.50 | 1727 | 58.40 |
| 5 | Obsidian 12.0 | 3701.3 | 1150.50 | 1920 | 59.92 |
| 6 | Lc0 BT4 | 3698.9 | 187.50 | 348 | 53.88 |
| 7 | Caissa 1.18 | 3683.5 | 1009.50 | 1798 | 56.15 |
| 8 | Ethereal 14.25 | 3677.0 | 1945.00 | 3421 | 56.85 |
| 9 | Alexandria 6.1.0 | 3670.1 | 1068.50 | 1871 | 57.11 |
| 10 | PlentyChess 1.0.0 | 3661.8 | 503.50 | 936 | 53.79 |
| 11 | RubiChess 20230918 | 3654.7 | 1205.00 | 2097 | 57.46 |
| 12 | Chess-System-Tal-2 | 3647.8 | 2313.00 | 4192 | 55.18 |
| 13 | Rebel 16.3 | 3646.9 | 1068.00 | 2010 | 53.13 |
| 14 | Clover 6.1.2.4 JA | 3642.6 | 344.50 | 639 | 53.91 |
| 15 | Seer 2.8.0 | 3640.9 | 1281.50 | 2338 | 54.81 |
| 16 | Titan 1.0.0 | 3635.4 | 327.00 | 677 | 48.30 |
| 17 | Uralochka 3.41a JA | 3632.8 | 192.50 | 367 | 52.45 |
| 18 | RofChade 3.1 | 3624.8 | 1743.00 | 3179 | 54.83 |
| 19 | Dragon free | 3619.9 | 756.50 | 1237 | 61.16 |
| 20 | Koivisto 8.13 | 3613.5 | 249.00 | 448 | 55.58 |
| 21 | Igel 3.5.0 | 3610.4 | 1014.50 | 1946 | 52.13 |
| 22 | Arasan 24.2.2 | 3605.6 | 367.50 | 719 | 51.11 |
| 23 | Revenge 3.0 | 3597.4 | 2164.50 | 4542 | 47.66 |
| 24 | Velvet 7.3.0 | 3581.6 | 315.50 | 639 | 49.37 |
| 25 | Lizard 10.3 | 3581.5 | 303.00 | 607 | 49.92 |
| 26 | Viridithas 12.0.0 | 3580.6 | 469.50 | 980 | 47.91 |
| 27 | Fire 9.3 | 3580.5 | 413.00 | 937 | 44.08 |
| 28 | Alexander 1.1 | 3557.8 | 187.50 | 370 | 50.68 |
| 29 | Black Marlin 9.0 | 3556.8 | 339.50 | 740 | 45.88 |
| 30 | Slowchess 2.9 | 3556.6 | 1655.50 | 3460 | 47.85 |
| 31 | Altair 7.0.3 | 3551.1 | 112.00 | 282 | 39.72 |
| 32 | Stormphrax 4.1.0 | 3550.1 | 181.00 | 412 | 43.93 |
| 33 | Akimbo 1.0.0 | 3543.1 | 308.00 | 570 | 54.04 |
| 34 | Booot 7.3 | 3542.9 | 485.00 | 996 | 48.69 |
| 35 | Starzix 4.0 | 3525.9 | 201.50 | 376 | 53.59 |
| 36 | Carp 3.0.1 | 3523.1 | 1009.50 | 1874 | 53.87 |
| 37 | Minic 3.39 | 3519.3 | 453.50 | 1019 | 44.50 |
| 38 | Fritz 19 | 3514.5 | 241.50 | 612 | 39.46 |
| 39 | Peacekeeper 2.40 | 3512.5 | 294.50 | 626 | 47.04 |
| 40 | Willow 4.0.0.1 | 3510.7 | 175.00 | 280 | 62.50 |
| 41 | Clarity 6.0.0 | 3508.6 | 242.50 | 481 | 50.42 |
| 42 | Tenax 0.9.5 | 3505.9 | 233.00 | 540 | 43.15 |
| 43 | Superultra 1.0 | 3504.3 | 175.50 | 292 | 60.10 |
| 44 | Equisetum 1.0 | 3495.8 | 192.00 | 380 | 50.53 |
| 45 | Texel 1.11 | 3494.9 | 410.50 | 884 | 46.44 |
| 46 | Rice 8.0.0 | 3490.1 | 302.50 | 664 | 45.56 |
| 47 | Pawn 3.0 | 3488.3 | 484.00 | 963 | 50.26 |
| 48 | Hiarcs 15.5 | 3478.3 | 543.50 | 1014 | 53.60 |
| 49 | Wasp 6.50 | 3475.6 | 566.50 | 1201 | 47.17 |
| 50 | Nemorino 6.00 | 3456.5 | 320.50 | 659 | 48.63 |
| 51 | Midnight 9 | 3456.3 | 365.00 | 663 | 55.05 |
| 52 | Pedone 3.1 | 3451.7 | 238.50 | 545 | 43.76 |
| 53 | Marvin 6.2.0 | 3449.7 | 439.00 | 691 | 63.53 |
| 54 | Komodo 14.1 | 3443.3 | 330.50 | 755 | 43.77 |
| 55 | Smallbrain 7.0 | 3436.5 | 268.50 | 527 | 50.95 |
| 56 | LTChess 9.2 | 3436.5 | 104.00 | 260 | 40.00 |
| 57 | Renegade 1.0.0 | 3426.2 | 142.00 | 250 | 56.80 |
| 58 | Halogen 11 | 3414.3 | 441.50 | 1007 | 43.84 |
| 59 | Tucano 10.00 | 3412.7 | 204.50 | 381 | 53.67 |
| 60 | Saturn 1.3 | 3407.6 | 209.00 | 330 | 63.33 |
| 61 | Expositor 4WR02 | 3395.7 | 201.00 | 458 | 43.89 |
| 62 | Devre 5.0 | 3393.3 | 145.00 | 370 | 39.19 |
| 63 | Cheng 4.47 | 3381.4 | 103.50 | 250 | 41.40 |
| 64 | Avalanche 2.1.0 | 3367.2 | 230.00 | 617 | 37.28 |
| 65 | Counter 5.5 | 3365.5 | 199.50 | 428 | 46.61 |
| 66 | Stash 35.0 | 3365.3 | 393.50 | 1033 | 38.09 |
| 67 | Winter 3.0 | 3360.9 | 122.00 | 291 | 41.92 |
| 68 | Xiphos 0.6.1 | 3356.5 | 446.50 | 946 | 47.20 |
| 69 | StockDory Starfish 0.1 | 3353.4 | 150.00 | 340 | 44.12 |
| 70 | Reckless 0.6.0 | 3351.5 | 117.50 | 256 | 45.90 |
| 71 | RukChess 3.0.18 | 3339.9 | 197.50 | 342 | 57.75 |
| 72 | Weiss 2.1 | 3338.2 | 316.50 | 669 | 47.31 |
| 73 | Frozenight 6.0.0 | 3337.2 | 314.50 | 545 | 57.71 |
| 74 | Coiled 1.1 | 3332.9 | 259.50 | 368 | 70.52 |
| 75 | Zahak 10.0 | 3322.7 | 377.00 | 815 | 46.26 |
| 76 | Nalwald 18 | 3316.0 | 542.00 | 1002 | 54.09 |
| 77 | MrBob 1.2.0 | 3315.4 | 452.50 | 723 | 62.59 |
| 78 | Little Goliath 3.17 | 3314.1 | 303.50 | 782 | 38.81 |
| 79 | Gogobello 3.0 | 3313.2 | 245.50 | 567 | 43.30 |
| 80 | GreKo 2021.08 NNUE | 3306.9 | 277.50 | 480 | 57.81 |
| 81 | Defenchess 2.3 | 3304.2 | 249.50 | 535 | 46.64 |
| 82 | Leorik 3.0 | 3301.9 | 109.00 | 292 | 37.33 |
| 83 | Kuma 1.2 | 3300.8 | 241.00 | 475 | 50.74 |
| 84 | Drofa 4.1.0 | 3300.5 | 196.50 | 412 | 47.69 |
| 85 | Toga IV | 3298.6 | 266.50 | 565 | 47.17 |
| 86 | Laser 1.7 | 3290.3 | 347.00 | 690 | 50.29 |
| 87 | Schooner 2.2 | 3287.6 | 165.00 | 357 | 46.22 |
| 88 | Svart 6 | 3275.8 | 305.00 | 722 | 42.24 |
| 89 | Combusken 2.0.0 | 3271.2 | 346.00 | 589 | 58.74 |
| 90 | DanaSah 9.1 | 3260.7 | 299.50 | 891 | 33.61 |
| 91 | Demolito 2023-11-04 | 3258.2 | 204.50 | 600 | 34.08 |
| 92 | Andscacs 0.95092 | 3254.0 | 279.00 | 581 | 48.02 |
| 93 | Deep Shredder 13 | 3252.2 | 179.00 | 466 | 38.41 |
| 94 | Jet 1.2 | 3239.9 | 237.50 | 669 | 35.50 |
| 95 | Critter 1.6a | 3230.0 | 2928.00 | 6370 | 45.97 |
| 96 | Nirvanachess 2.5 | 3214.7 | 267.50 | 511 | 52.35 |
| 97 | Flounder 0.5.0.0 | 3212.4 | 247.50 | 478 | 51.78 |
| 98 | Roc 2.0.0 | 3210.8 | 211.50 | 498 | 42.47 |
| 99 | Mantissa 3.7.2 | 3208.0 | 306.00 | 647 | 47.30 |
| 100 | Houdini 1.5a | 3202.4 | 188.00 | 327 | 57.49 |
| 101 | Invictus r382 | 3180.1 | 204.50 | 450 | 45.44 |
| 102 | Mittens 0.9 | 3178.8 | 285.00 | 506 | 56.32 |
| 103 | Beef 0.3.6 | 3169.2 | 205.50 | 359 | 57.24 |
| 104 | Fizbo 2 | 3156.8 | 156.50 | 332 | 47.14 |
| 105 | Peacekeeper 1.71 | 3149.3 | 180.50 | 362 | 49.86 |
| 106 | Sting Black Hole 7 | 3138.4 | 168.50 | 554 | 30.42 |
| 107 | Protej 20231108c | 3134.4 | 67.50 | 352 | 19.18 |
| 108 | Pedantic 0.6.0 | 3129.7 | 121.50 | 265 | 45.85 |
| 109 | Princhess 0.15.1 | 3125.0 | 149.00 | 314 | 47.45 |
| 110 | Anduril | 3124.3 | 132.50 | 320 | 41.41 |
| 111 | Gargantua 1.0 | 3124.1 | 400.50 | 713 | 56.17 |
| 112 | Ippolit 051323 | 3122.0 | 256.50 | 576 | 44.53 |
| 113 | Atlas 4.25 | 3119.4 | 153.50 | 301 | 51.00 |
| 114 | Vajolet2 2.8 | 3110.8 | 165.50 | 325 | 50.92 |
| 115 | 4ku 4.0 | 3103.2 | 173.00 | 337 | 51.34 |
| 116 | Amoeba 3.4 | 3100.8 | 301.00 | 589 | 51.10 |
| 117 | Mida 2.3 | 3094.9 | 178.50 | 451 | 39.58 |
| 118 | Monolith 2 | 3093.6 | 322.00 | 567 | 56.79 |
| 119 | Spike 1.4 | 3090.7 | 241.00 | 297 | 81.14 |
| 120 | GOOB 1.8.9 | 3089.4 | 312.50 | 716 | 43.65 |
| 121 | Bagatur 3.7d | 3086.6 | 205.50 | 401 | 51.25 |
| 122 | FabChess 1.16 | 3086.4 | 172.50 | 344 | 50.15 |
| 123 | Cheese 3.2 | 3085.5 | 93.00 | 259 | 35.91 |
| 124 | Deuterium 2019.2.37.73 | 3075.5 | 147.50 | 300 | 49.17 |
| 125 | Ice4 v4 | 3062.1 | 262.00 | 477 | 54.93 |
| 126 | Nippolit | 3060.2 | 123.00 | 357 | 34.45 |
| 127 | Polaris 1.8.1 | 3057.2 | 322.50 | 638 | 50.55 |
| 128 | Vafra 3.3.2 | 3057.2 | 164.50 | 351 | 46.87 |
| 129 | Topple 0.8.1 | 3044.3 | 228.50 | 417 | 54.80 |
| 130 | Tomcat 1.0 | 3039.5 | 261.00 | 413 | 63.20 |
| 131 | Vengeance 3.0.0 | 3039.1 | 238.50 | 411 | 58.03 |
| 132 | Journeyman 2.1 | 3037.9 | 320.50 | 614 | 52.20 |
| 133 | Wize 1.0 | 3030.9 | 149.50 | 299 | 50.00 |
| 134 | Ceibo 1.0 | 3009.2 | 154.00 | 348 | 44.25 |
| 135 | Cadie 1.5 | 3008.5 | 248.00 | 507 | 48.92 |
| 136 | Asymptote 0.8 | 3008.0 | 289.00 | 478 | 60.46 |
| 137 | Godel 7.0 | 3007.4 | 269.50 | 490 | 55.00 |
| 138 | The Baron 3.45 | 3000.0 | 237.50 | 532 | 44.64 |
| 139 | BBC 1.4 | 2992.4 | 157.50 | 288 | 54.69 |
| 140 | Seawall 20231015 | 2970.9 | 123.00 | 295 | 41.69 |
| 141 | Odonata 0.8.0 | 2968.9 | 130.00 | 313 | 41.53 |
| 142 | Zangdar 2.19.03 | 2959.0 | 202.00 | 525 | 38.48 |
| 143 | Inanis 1.2.1 | 2939.5 | 159.50 | 460 | 34.67 |
| 144 | Arcanum 1.11.1 | 2930.0 | 119.00 | 284 | 41.90 |
| 145 | Shallow 5 | 2923.0 | 146.50 | 413 | 35.47 |
| 146 | Clovis III | 2905.3 | 289.50 | 728 | 39.77 |
| 147 | Lynx 1.4.0 | 2889.7 | 58.00 | 285 | 20.35 |
| 148 | Apotheosis 4.0.1 | 2860.1 | 167.50 | 469 | 35.71 |
| 149 | Delocto 0.61n | 2855.1 | 286.00 | 515 | 55.53 |
| 150 | Ivanhoe Mod66 | 2853.4 | 161.00 | 483 | 33.33 |
| 151 | Yakka 1.0 | 2853.3 | 89.50 | 291 | 30.76 |
| 152 | Lozza 2.2 | 2845.9 | 112.00 | 268 | 41.79 |
| 153 | CT800 1.45 | 2837.3 | 255.50 | 907 | 28.17 |
| 154 | Knightx 3.9 | 2836.5 | 213.50 | 908 | 23.51 |
| 155 | Mess 0.3.0 | 2832.4 | 102.50 | 268 | 38.25 |
| 156 | Supernova 2.4 | 2830.8 | 225.00 | 413 | 54.48 |
| 157 | Colossus 2022a | 2824.9 | 338.00 | 808 | 41.83 |
| 158 | Ruydos 1.1.11 | 2821.2 | 130.50 | 269 | 48.51 |
| 159 | Dumb 2.0 | 2818.1 | 97.50 | 346 | 28.18 |
| 160 | ECE 20.1 | 2809.0 | 302.50 | 482 | 62.76 |
| 161 | Caligula 1.0b | 2800.5 | 149.50 | 465 | 32.15 |
| 162 | K2 0.99 | 2794.0 | 248.00 | 483 | 51.35 |
| 163 | Blunder 8.0.0 | 2793.8 | 112.00 | 503 | 22.27 |
| 164 | Devel 4.0.2.3 | 2786.4 | 270.50 | 580 | 46.64 |
| 165 | MadChess 3.2 beta | 2780.4 | 303.00 | 765 | 39.61 |
| 166 | Zevra 2.5 | 2763.3 | 210.50 | 412 | 51.09 |
| 167 | Novice 3.1 | 2749.8 | 208.00 | 401 | 51.87 |
| 168 | Lishex 1.1.1 | 2741.1 | 166.00 | 595 | 27.90 |
| 169 | Fridolin 3.10 | 2730.3 | 150.50 | 284 | 52.99 |
| 170 | Catacomb 1 | 2715.4 | 190.50 | 494 | 38.56 |
| 171 | Pingu 2.0.0 | 2705.0 | 97.50 | 389 | 25.06 |
| 172 | Luna 2.0.0 | 2702.9 | 122.50 | 485 | 25.26 |
| 173 | Raven 1.30 | 2689.3 | 219.50 | 578 | 37.98 |
| 174 | Paulchen 332 0.1.1 | 2679.8 | 161.00 | 352 | 45.74 |
| 175 | Lux 4.0 | 2674.5 | 106.00 | 501 | 21.16 |
| 176 | N2 | 2664.2 | 156.00 | 262 | 59.54 |
| 177 | Tantabus 2.0.0 | 2661.7 | 162.50 | 334 | 48.65 |
| 178 | Dimitri 5.2.3 | 2653.2 | 119.00 | 263 | 45.25 |
| 179 | Admete 1.5.0 | 2639.1 | 182.00 | 508 | 35.83 |
| 180 | Prophet 4.3 | 2637.3 | 208.00 | 483 | 43.06 |
| 181 | Mayhem 8.1 | 2633.0 | 93.00 | 333 | 27.93 |
| 182 | Loki 3.5.0 | 2632.7 | 193.00 | 435 | 44.37 |
| 183 | Lambergar 0.3.1c | 2631.2 | 74.00 | 283 | 26.15 |
| 184 | Ares 2.3.14 | 2629.1 | 103.00 | 361 | 28.53 |
| 185 | NoC 4.20 | 2627.4 | 190.00 | 365 | 52.05 |
| 186 | Fornax 4.0 | 2624.4 | 284.00 | 711 | 39.94 |
| 187 | Galjoen 0.41.2 | 2620.3 | 182.50 | 424 | 43.04 |
| 188 | Betsabe II 1.96 | 2617.4 | 143.50 | 344 | 41.72 |
| 189 | Cosette 5.1 | 2607.3 | 141.00 | 320 | 44.06 |
| 190 | Queen 4.05 | 2604.1 | 170.50 | 457 | 37.31 |
| 191 | Barbarossa 0.6.0 | 2601.6 | 209.50 | 522 | 40.13 |
| 192 | ShenYu 2.0.1 | 2595.9 | 178.00 | 733 | 24.28 |
| 193 | Anka 0.6.3 | 2595.7 | 183.00 | 412 | 44.42 |
| 194 | MinimalChess 0.6 | 2570.6 | 152.00 | 360 | 42.22 |
| 195 | FoxSEE 8.2 | 2565.6 | 196.50 | 745 | 26.38 |
| 196 | Popochin 4.3 | 2527.7 | 155.00 | 370 | 41.89 |
| 197 | Zagreus 5.0 | 2513.2 | 43.00 | 256 | 16.80 |
| 198 | ChandraChess 1.0 | 2509.9 | 61.00 | 356 | 17.13 |
| 199 | Eubos 2.21 | 2493.8 | 79.00 | 269 | 29.37 |
| 200 | Bienchen 1.0 | 2483.8 | 140.00 | 418 | 33.49 |
| 201 | Kimbo 1.0.0 | 2455.4 | 131.00 | 403 | 32.51 |
| 202 | Axon 0.3 | 2452.1 | 142.50 | 509 | 28.00 |
| 203 | Austerlitz 1.4.7 | 2428.9 | 70.50 | 360 | 19.58 |
| 204 | Jinx 1.0 | 2424.0 | 166.00 | 436 | 38.07 |
| 205 | Albatros 1.0.0 | 2421.9 | 108.00 | 342 | 31.58 |
| 206 | Fatalii 0.5.0 | 2392.9 | 44.50 | 342 | 13.01 |
| 207 | ChessKISS 1.8 | 2384.9 | 64.00 | 279 | 22.94 |
| 208 | Sloth 1.7 | 2377.7 | 49.50 | 376 | 13.16 |
| 209 | Horowitz 2.2 | 2369.8 | 109.00 | 432 | 25.23 |
| 210 | Halcyon 1 | 2367.1 | 96.00 | 415 | 23.13 |
| 211 | Ciorap-Bot 0.3 | 2361.9 | 26.50 | 272 | 9.74 |
| 212 | SeeChess 1.2 | 2357.1 | 184.50 | 463 | 39.85 |
| 213 | MagiC 2.0 | 2352.6 | 84.00 | 272 | 30.88 |
| 214 | StoneChess 2023-06-23 | 2348.6 | 75.00 | 307 | 24.43 |
| 215 | Chessplusplus 1.2.0 | 2348.0 | 79.00 | 325 | 24.31 |
| 216 | RapChess 2022-12-08 | 2336.2 | 26.00 | 299 | 8.70 |
| 217 | Baislicka ac327fd | 2335.4 | 90.00 | 302 | 29.80 |
| 218 | Jence 1.0.2 | 2297.2 | 76.00 | 303 | 25.08 |
| 219 | FrankyGo 1.0.3 | 2286.2 | 91.50 | 360 | 25.42 |
| 220 | Jangine 2023-03-31 | 2284.7 | 29.50 | 368 | 8.02 |
| 221 | Adachess 4.0 | 2268.0 | 64.00 | 609 | 10.51 |
| 222 | Peripheral 1.1.3 | 2261.9 | 53.00 | 328 | 16.16 |
| 223 | Tcheran 1.1 | 2258.8 | 22.50 | 293 | 7.68 |
| 224 | Badchess 0.4.4 | 2227.4 | 76.50 | 319 | 23.98 |
| 225 | Captain 4.0 | 2224.2 | 46.50 | 398 | 11.68 |
| 226 | Cdrill 2000 | 2209.2 | 136.00 | 857 | 15.87 |
| 227 | Freda 0.99 | 2197.1 | 62.00 | 550 | 11.27 |
| 228 | Tofiks 1.2.0 | 2188.3 | 10.50 | 284 | 3.70 |
| 229 | Claudia 0.51 | 2176.2 | 64.50 | 275 | 23.45 |
| 230 | Camel 1.0.1 | 2168.7 | 42.00 | 299 | 14.05 |
| 231 | HonzovySachy 2.0 2019-12-07 | 2158.9 | 120.00 | 287 | 41.81 |
| 232 | Rustic Alpha 3.0.0 | 2148.9 | 62.00 | 290 | 21.38 |
| 233 | Kelp 0.12.0 | 2099.7 | 65.50 | 747 | 8.77 |
| 234 | QuintBot 1.2.0 | 1984.5 | 25.50 | 341 | 7.48 |
| 235 | Ciorapbot 0.2 | 1953.2 | 27.00 | 309 | 8.74 |
| 236 | Valiant Mk V | 1697.2 | 8.00 | 252 | 3.17 |
| 237 | Sargon 1.01b | 1649.7 | 13.00 | 310 | 4.19 |
| 238 | Megalodon 1.1.0 | 1416.5 | 5.00 | 250 | 2.00 |
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