Rank Name Elo + - games score oppo. draws 1 Stockfish 3652 17 17 572 60% 3580 53% 2 LCZero 3624 17 17 590 54% 3593 52% 3 Stockfish_15_300M 3612 12 12 1099 56% 3571 70% 4 KomodoDragon 3584 27 27 229 58% 3529 54% 5 Stockfish_15_100M 3571 7 7 3158 54% 3542 68% 6 Berserk 3554 56 56 51 57% 3507 67% 7 RubiChess 3530 24 24 287 53% 3510 59% 8 Stockfish_13_CCRL 3522 9 9 2048 51% 3517 69% 9 Ethereal 3518 28 28 217 50% 3519 57% 10 Stockfish_15_30M_4th 3517 6 6 5120 51% 3508 69% 11 Igel 3500 26 26 247 50% 3497 61% 12 Stockfish_15_30M 3498 7 7 3197 49% 3503 67% 13 Obsidian 3490 56 56 52 53% 3468 67% 14 Seer 3488 35 35 140 54% 3457 54% 15 rofChade 3482 37 37 128 54% 3453 51% 16 Stoofvlees 3475 34 34 159 47% 3493 43% 17 Caissa 3446 27 27 232 57% 3397 51% 18 Revenge 3445 37 37 125 52% 3434 50% 19 Clover 3444 27 27 237 57% 3400 55% 20 Viridithas 3432 28 28 226 55% 3394 57% 21 Minic 3427 35 35 137 50% 3430 55% 22 Stockfish_15_10M 3426 7 7 3258 46% 3452 63% 23 SlowChess 3413 37 37 124 38% 3498 52% 24 Altair 3406 60 60 49 52% 3387 51% 25 Arasan 3393 34 34 147 51% 3389 57% 26 DeepSjeng 3381 28 28 218 50% 3385 57% 27 Smallbrain 3380 44 44 88 54% 3354 58% 28 akimbo 3380 64 64 42 46% 3406 50% 29 Uralochka 3379 37 37 128 50% 3382 52% 30 ScorpioNN 3377 38 38 117 44% 3416 55% 31 BlackMarlin 3366 39 39 106 50% 3366 62% 32 Willow 3365 54 54 56 49% 3368 63% 33 Stormphrax 3364 61 61 49 53% 3339 53% 34 Booot 3357 38 38 119 53% 3334 57% 35 Stockfish_15_3M 3352 9 9 2246 51% 3343 59% 36 Ginkgo 3350 38 38 116 43% 3397 53% 37 Weiss 3340 43 43 95 54% 3307 51% 38 Velvet 3331 38 38 123 47% 3347 54% 39 Marvin 3324 37 37 123 45% 3358 61% 40 Equisetum 3307 39 39 115 50% 3307 53% 41 Tucano 3299 38 38 118 44% 3339 61% 42 Wasp 3289 35 35 141 42% 3340 52% 43 Texel 3283 60 60 46 49% 3291 59% 44 Halogen 3278 47 47 76 41% 3334 54% 45 BlackCore 3264 51 51 68 47% 3283 50% 46 Stockfish_15_1M 3258 9 9 2196 52% 3246 56% 47 Winter 3258 46 46 86 48% 3261 45% 48 Stash 3249 43 43 98 46% 3274 41% 49 Mantissa 3244 58 58 56 46% 3264 32% 50 Expositor 3234 43 43 100 45% 3271 51% 51 Avalanche 3219 71 71 34 44% 3251 59% 52 Mr_Bob 3190 43 43 97 43% 3239 46% 53 Counter 3175 78 78 30 52% 3157 43% 54 ChessFighter 3156 45 45 94 44% 3196 40% 55 Stockfish_15_300k 3135 9 9 2138 52% 3121 49% 56 StockDory 3124 45 45 96 40% 3196 42% 57 Gull 3121 53 53 66 66% 3007 47% 58 Cheng 3099 75 75 34 43% 3148 38% 59 4ku 3046 31 31 232 58% 2895 42% 60 ice4 3016 31 31 232 55% 2904 42% 61 Stockfish_15_100k 2975 9 9 2136 53% 2950 39% 62 Critter 2971 75 75 32 45% 2999 41% 63 Cheese 2943 82 82 30 27% 3112 33% 64 Bagatur 2904 63 63 62 29% 3079 19% 65 OliThink 2825 96 96 32 23% 3065 16% 66 Glaurung_2.2_CCRL 2792 58 58 72 57% 2686 28% 67 Crafty_25.2_CCRL 2772 80 80 36 18% 3001 25% 68 STRO4K 2760 44 44 156 46% 2724 19% 69 Stockfish_15_30k 2751 10 10 2080 51% 2741 30% 70 Glaurung 2510 111 111 28 36% 2588 14% 71 Stockfish_15_10k 2502 12 12 2072 55% 2443 18% 72 M4sseur 2308 122 122 50 40% 2430 4% 73 Stockfish_15_3k 2130 15 15 2066 50% 2118 9% 74 pygone 1824 116 116 54 21% 2407 2% 75 Stockfish_15_1k 1733 21 21 1048 8% 2118 8% 76 sunfish 1523 122 122 10 50% 1523 80% 77 moonfish 1523 77 77 78 12% 2243 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 98.9011 drawelo 248.002 mm scale 0.6286238844113294 offset 3522 Stockfish_13_CCRL ratings