Rank Name Elo + - games score oppo. draws 1 Stockfish 3662 13 13 967 58% 3604 54% 2 LCZero 3631 15 15 778 53% 3606 54% 3 Stockfish_15_300M 3610 12 12 1121 56% 3571 70% 4 KomodoDragon 3575 20 20 400 54% 3544 56% 5 Stockfish_15_100M 3570 7 7 3176 54% 3541 68% 6 Berserk 3566 22 22 335 60% 3497 62% 7 RubiChess 3524 21 21 360 50% 3523 58% 8 Ethereal 3522 24 24 277 49% 3529 59% 9 Stockfish_13_CCRL 3522 9 9 2048 51% 3517 69% 10 Stockfish_15_30M_4th 3517 6 6 5120 51% 3508 69% 11 Seer 3500 26 26 242 52% 3485 56% 12 Stockfish_15_30M 3498 7 7 3235 49% 3503 67% 13 Igel 3495 24 24 293 50% 3492 62% 14 Obsidian 3494 30 30 178 59% 3431 65% 15 rofChade 3483 31 31 176 53% 3457 54% 16 Stoofvlees 3476 29 29 219 44% 3515 46% 17 Caissa 3467 25 25 280 57% 3413 53% 18 Clover 3447 24 24 307 55% 3414 56% 19 Revenge 3443 31 31 173 50% 3443 56% 20 Viridithas 3440 23 23 318 54% 3409 59% 21 Stockfish_15_10M 3427 7 7 3299 46% 3453 63% 22 SlowChess 3416 37 37 124 38% 3502 52% 23 Minic 3410 30 30 183 45% 3442 55% 24 Arasan 3407 26 26 237 50% 3412 62% 25 Altair 3407 45 45 83 54% 3375 58% 26 Uralochka 3397 31 31 178 50% 3395 53% 27 Stormphrax 3389 37 37 129 52% 3370 58% 28 Smallbrain 3388 44 44 88 54% 3362 58% 29 DeepSjeng 3388 25 25 264 49% 3395 58% 30 ScorpioNN 3382 32 32 163 44% 3420 61% 31 Velvet 3381 26 26 247 49% 3384 60% 32 Ginkgo 3373 32 32 164 45% 3403 59% 33 BlackMarlin 3362 33 33 154 46% 3387 60% 34 Willow 3361 43 43 88 49% 3367 59% 35 Booot 3361 33 33 151 52% 3343 60% 36 akimbo 3357 47 47 74 46% 3388 59% 37 Stockfish_15_3M 3356 8 8 2296 51% 3348 59% 38 Weiss 3346 37 37 127 52% 3326 50% 39 Equisetum 3336 34 34 149 52% 3324 55% 40 Marvin 3329 31 31 169 43% 3381 60% 41 Tucano 3313 33 33 156 45% 3345 63% 42 Wasp 3296 29 29 205 42% 3347 56% 43 Texel 3291 45 45 80 46% 3322 61% 44 Halogen 3289 47 47 76 41% 3346 54% 45 BlackCore 3274 50 50 68 47% 3293 50% 46 Winter 3266 38 38 120 45% 3292 48% 47 Stockfish_15_1M 3265 9 9 2224 52% 3254 55% 48 Stash 3255 37 37 132 44% 3297 46% 49 Mantissa 3254 58 58 56 46% 3274 32% 50 Expositor 3247 37 37 134 43% 3295 56% 51 Avalanche 3226 70 70 34 44% 3258 59% 52 Mr_Bob 3200 43 43 97 43% 3249 46% 53 Counter 3185 78 78 30 52% 3166 43% 54 ChessFighter 3165 45 45 94 44% 3207 40% 55 Stockfish_15_300k 3143 9 9 2150 52% 3130 49% 56 StockDory 3134 45 45 96 40% 3207 42% 57 Gull 3130 53 53 66 66% 3017 47% 58 Cheng 3108 75 75 34 43% 3158 38% 59 4ku 3056 31 31 232 58% 2905 42% 60 ice4 3025 31 31 232 55% 2913 42% 61 Stockfish_15_100k 2984 9 9 2142 53% 2959 39% 62 Critter 2980 75 75 32 45% 3009 41% 63 Cheese 2952 82 82 30 27% 3121 33% 64 Bagatur 2914 63 63 62 29% 3089 19% 65 OliThink 2834 96 96 32 23% 3075 16% 66 Glaurung_2.2_CCRL 2801 58 58 72 57% 2695 28% 67 Crafty_25.2_CCRL 2781 80 80 36 18% 3010 25% 68 STRO4K 2769 44 44 156 46% 2733 19% 69 Stockfish_15_30k 2760 10 10 2080 51% 2750 30% 70 Glaurung 2519 111 111 28 36% 2597 14% 71 Stockfish_15_10k 2511 12 12 2072 55% 2452 18% 72 M4sseur 2317 122 122 50 40% 2439 4% 73 Stockfish_15_3k 2138 15 15 2066 50% 2126 9% 74 pygone 1833 116 116 54 21% 2416 2% 75 Stockfish_15_1k 1742 21 21 1048 8% 2127 8% 76 sunfish 1531 122 122 10 50% 1531 80% 77 moonfish 1531 77 77 78 12% 2252 14% Note that all CCRL engines use 4 threads and 1GiB hash. Other engines usually use 104 threads and 64GiB hash. Parameters advantage and drawelo are calcualted automatically from the same games before rating calculation. bayeselo input: readpgn all/TCEC_Season_24_Calibration.pgn readpgn players/TCEC_Season_25.pgn readpgn players/TCEC_Season_26.pgn elo advantage 101.898 drawelo 249.5 mm scale 0.6259616024094411 offset 3522 Stockfish_13_CCRL ratings