Rank Name Elo + - games score oppo. draws 1 Stockfish 3728 23 23 339 62% 3641 50% 2 LCZero 3689 22 22 344 54% 3661 49% 3 Berserk 3648 28 28 222 54% 3617 53% 4 Obsidian 3642 26 26 245 58% 3591 61% 5 Ceres 3628 25 25 271 60% 3560 51% 6 KomodoDragon 3617 36 36 137 53% 3598 50% 7 Ethereal 3615 35 35 136 51% 3604 57% 8 Stockfish_15_300M 3606 12 12 1138 56% 3566 69% 9 Stockfish_15_1G 3601 65 65 40 50% 3602 50% 10 Caissa 3601 29 29 204 51% 3590 63% 11 RubiChess 3585 36 36 128 53% 3566 62% 12 rofChade 3576 40 40 110 52% 3558 52% 13 PlentyChess 3573 23 23 329 59% 3509 58% 14 Viridithas 3569 33 33 149 53% 3552 58% 15 Stockfish_15_100M 3566 7 7 3288 54% 3540 67% 16 Stormphrax 3557 33 33 154 55% 3527 62% 17 Ginkgo 3553 33 33 156 54% 3526 60% 18 Stoofvlees 3551 38 38 122 50% 3545 56% 19 Seer 3551 35 35 137 45% 3588 50% 20 Uralochka 3540 30 30 187 51% 3536 63% 21 Integral 3539 32 32 175 59% 3469 54% 22 Horsie 3538 42 42 101 62% 3447 54% 23 Renamedfish_15_3M 3536 137 137 8 25% 3689 50% 24 Devre 3532 29 29 200 57% 3480 61% 25 Clover 3522 36 36 130 58% 3468 60% 26 Stockfish_13_CCRL 3522 9 9 2048 51% 3517 69% 27 Reckless 3517 41 41 102 58% 3460 56% 28 Stockfish_15_30M_4th 3517 6 6 5120 51% 3508 69% 29 Igel 3517 34 34 146 49% 3521 59% 30 akimbo 3516 37 37 127 54% 3491 60% 31 Lizard 3515 42 42 98 55% 3482 52% 32 Revenge 3514 37 37 127 49% 3520 50% 33 Booot 3512 33 33 164 54% 3483 57% 34 Velvet 3511 31 31 167 51% 3501 65% 35 Starzix 3508 36 36 134 56% 3461 58% 36 BlackMarlin 3498 29 29 196 52% 3483 57% 37 Stockfish_15_30M 3495 7 7 3386 48% 3506 66% 38 StockfishClassical 3490 66 66 38 54% 3463 61% 39 Arasan 3483 30 30 191 49% 3492 55% 40 Spaghet 3483 48 48 76 63% 3388 62% 41 Equisetum 3474 45 45 84 51% 3467 55% 42 Renegade 3463 30 30 182 51% 3453 59% 43 Halogen 3456 38 38 120 53% 3437 49% 44 DeepSjeng 3441 33 33 151 44% 3480 59% 45 Minic 3436 35 35 142 44% 3481 58% 46 Serendipity 3435 50 50 70 51% 3429 50% 47 Altair 3434 35 35 140 48% 3452 54% 48 Stockfish_15_10M 3433 7 7 3341 46% 3461 62% 49 Wasp 3426 56 56 54 49% 3434 54% 50 Cheng 3422 91 91 20 50% 3426 60% 51 LCZeroCPU 3420 61 61 46 47% 3441 54% 52 Winter 3415 83 83 26 48% 3421 42% 53 ScorpioNN 3410 45 45 86 43% 3451 51% 54 Tucano 3407 31 31 180 48% 3419 53% 55 Texel 3399 41 41 108 46% 3427 51% 56 Weiss 3386 43 43 96 45% 3416 47% 57 Stockfish_15_3M 3373 9 9 2286 51% 3366 59% 58 Patricia 3369 36 36 142 45% 3399 46% 59 sirius 3367 46 46 84 44% 3405 55% 60 Stash 3362 51 51 66 40% 3427 53% 61 Superultra 3346 54 54 56 42% 3402 59% 62 Heimdall 3336 50 50 76 48% 3318 51% 63 Expositor 3313 62 62 48 39% 3392 48% 64 Marvin 3301 58 58 56 33% 3420 45% 65 Clarity 3301 58 58 60 38% 3371 43% 66 Stockfish_15_1M 3293 9 9 2252 52% 3280 55% 67 Prelude 3285 70 70 34 40% 3363 74% 68 Sapling 3259 64 64 46 32% 3387 46% 69 Bagatur 3231 48 48 88 34% 3349 39% 70 Quanticade 3219 51 51 101 39% 3243 40% 71 Lynx 3218 77 77 32 36% 3316 47% 72 ChessFighter 3215 58 58 56 38% 3300 46% 73 Stockfish_15_300k 3183 9 9 2171 52% 3165 48% 74 Princhess 3176 50 50 89 32% 3310 37% 75 ice4 3172 27 27 335 66% 2931 34% 76 Stockfish_15_100k 3035 9 9 2176 54% 3005 39% 77 4ku 3004 30 30 312 43% 2964 29% 78 STRO4K 2952 39 39 210 55% 2792 21% 79 Stockfish_15_30k 2816 10 10 2108 51% 2805 30% 80 LESS_STRO4K 2698 155 155 20 98% 2290 5% 81 Stockfish_15_10k 2570 12 12 2104 55% 2508 19% 82 molly 2369 48 48 180 47% 2445 17% 83 M4sseur 2325 71 71 106 37% 2547 12% 84 4k.c 2290 69 69 90 24% 2603 14% 85 Stockfish_15_3k 2203 14 14 2148 51% 2187 10% 86 pygone 1879 77 77 118 10% 2546 8% 87 moonfish 1872 53 53 136 24% 2247 13% 88 Stockfish_15_1k 1808 21 21 1102 9% 2196 9% Note that all CCRL engines use 4 threads and 1GiB hash. Other engines usually use 512 threads and 256GiB hash. Parameters advantage and drawelo are calculated automatically from the same games before rating calculation. bayeselo input: readpgn all/TCEC_Season_24_Calibration.pgn readpgn players/TCEC_Season_27.pgn readpgn players/TCEC_Season_28.pgn elo advantage 101.898 drawelo 245.005 mm scale 0.6343964113102895 offset 3522 Stockfish_13_CCRL ratings