Rank Name Elo + - games score oppo. draws 1 Stockfish 3726 23 23 339 62% 3639 50% 2 LCZero 3687 22 22 344 54% 3659 49% 3 Berserk 3646 28 28 222 54% 3615 53% 4 Obsidian 3641 26 26 245 58% 3589 61% 5 Ceres 3627 25 25 271 60% 3559 51% 6 KomodoDragon 3616 36 36 137 53% 3596 50% 7 Ethereal 3614 35 35 136 51% 3603 57% 8 Stockfish_15_300M 3606 12 12 1138 56% 3567 69% 9 Stockfish_15_1G 3600 65 65 40 50% 3601 50% 10 Caissa 3600 28 28 204 51% 3589 63% 11 StockfishClassical 3597 176 176 4 63% 3531 75% 12 RubiChess 3584 36 36 128 53% 3565 62% 13 rofChade 3574 40 40 110 52% 3556 52% 14 Viridithas 3568 33 33 149 53% 3550 58% 15 Stockfish_15_100M 3567 7 7 3284 54% 3540 67% 16 PlentyChess 3566 24 24 310 58% 3507 58% 17 Ginkgo 3557 34 34 142 55% 3524 62% 18 Stoofvlees 3549 38 38 122 50% 3544 56% 19 Seer 3549 35 35 137 45% 3586 50% 20 Stormphrax 3549 35 35 138 54% 3525 61% 21 Uralochka 3537 31 31 171 50% 3535 62% 22 Renamedfish_15_3M 3534 137 137 8 25% 3687 50% 23 Horsie 3534 46 46 85 63% 3435 55% 24 Devre 3531 29 29 200 57% 3478 61% 25 Clover 3528 38 38 116 59% 3465 63% 26 Integral 3527 34 34 156 59% 3462 53% 27 Stockfish_13_CCRL 3522 9 9 2048 51% 3517 69% 28 Igel 3522 35 35 132 50% 3519 58% 29 Starzix 3520 39 39 116 59% 3451 58% 30 Stockfish_15_30M_4th 3517 6 6 5120 51% 3508 69% 31 akimbo 3514 37 37 127 54% 3488 60% 32 Velvet 3514 33 33 151 53% 3496 64% 33 Revenge 3513 37 37 127 49% 3519 50% 34 Lizard 3512 42 42 98 55% 3479 52% 35 Booot 3509 35 35 146 54% 3478 53% 36 Reckless 3498 45 45 86 58% 3446 52% 37 Stockfish_15_30M 3495 7 7 3372 48% 3506 66% 38 BlackMarlin 3495 30 30 192 52% 3482 58% 39 Arasan 3486 32 32 161 50% 3485 54% 40 Spaghet 3484 48 48 76 63% 3389 62% 41 Equisetum 3472 45 45 84 51% 3464 55% 42 Renegade 3462 31 31 178 52% 3450 58% 43 Halogen 3453 38 38 120 53% 3434 49% 44 DeepSjeng 3437 34 34 145 43% 3480 59% 45 Serendipity 3436 50 50 70 51% 3431 50% 46 Altair 3435 35 35 136 48% 3450 54% 47 Stockfish_15_10M 3433 7 7 3337 46% 3461 62% 48 Minic 3429 35 35 138 43% 3480 58% 49 Wasp 3422 56 56 54 49% 3430 54% 50 Cheng 3417 90 90 20 50% 3421 60% 51 ScorpioNN 3414 47 47 80 44% 3450 50% 52 Winter 3412 83 83 26 48% 3418 42% 53 Tucano 3403 31 31 176 48% 3416 52% 54 Texel 3397 41 41 108 46% 3425 51% 55 Weiss 3384 43 43 96 45% 3414 47% 56 Stockfish_15_3M 3371 9 9 2284 51% 3365 59% 57 Stash 3366 53 53 62 41% 3424 53% 58 Patricia 3365 37 37 138 45% 3395 46% 59 sirius 3361 47 47 80 44% 3401 55% 60 Superultra 3348 54 54 56 42% 3403 59% 61 Heimdall 3333 50 50 76 48% 3315 51% 62 Expositor 3310 62 62 48 39% 3389 48% 63 Marvin 3299 58 58 56 33% 3418 45% 64 Clarity 3296 58 58 60 38% 3366 43% 65 Stockfish_15_1M 3290 9 9 2248 52% 3278 55% 66 Prelude 3281 70 70 34 40% 3359 74% 67 Sapling 3256 64 64 46 32% 3384 46% 68 Bagatur 3231 48 48 88 34% 3349 39% 69 Quanticade 3219 51 51 101 39% 3243 40% 70 Lynx 3217 77 77 32 36% 3314 47% 71 ChessFighter 3213 58 58 56 38% 3298 46% 72 Stockfish_15_300k 3181 9 9 2171 52% 3162 48% 73 Princhess 3174 50 50 89 32% 3308 37% 74 ice4 3170 27 27 335 66% 2929 34% 75 Stockfish_15_100k 3032 9 9 2176 54% 3002 39% 76 4ku 3002 30 30 312 43% 2962 29% 77 STRO4K 2949 39 39 210 55% 2790 21% 78 Stockfish_15_30k 2813 10 10 2108 51% 2803 30% 79 LESS_STRO4K 2695 155 155 20 98% 2288 5% 80 Stockfish_15_10k 2567 12 12 2104 55% 2506 19% 81 molly 2367 48 48 180 47% 2443 17% 82 M4sseur 2323 71 71 106 37% 2545 12% 83 4k.c 2288 69 69 90 24% 2601 14% 84 Stockfish_15_3k 2201 14 14 2148 51% 2185 10% 85 pygone 1877 77 77 118 10% 2544 8% 86 moonfish 1870 53 53 136 24% 2245 13% 87 Stockfish_15_1k 1806 21 21 1102 9% 2194 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