Rank Name Elo + - games score oppo. draws 1 Stockfish 3759 26 26 247 63% 3672 54% 2 LCZero 3713 26 26 257 53% 3696 52% 3 Obsidian 3686 34 34 140 56% 3642 61% 4 Berserk 3656 34 34 135 50% 3658 65% 5 Integral 3651 25 25 272 61% 3569 60% 6 PlentyChess 3647 25 25 278 59% 3582 59% 7 Caissa 3641 41 41 96 55% 3604 67% 8 KomodoDragon 3634 40 40 101 48% 3646 58% 9 Stockfish_15_1G 3633 56 56 52 49% 3639 56% 10 Ceres 3631 43 43 87 54% 3603 62% 11 Reckless 3627 33 33 158 62% 3541 58% 12 Stormphrax 3623 33 33 146 56% 3580 64% 13 Ethereal 3621 39 39 105 46% 3647 56% 14 Stockfish_15_300M 3608 12 12 1114 56% 3571 69% 15 Ginkgo 3594 41 41 99 53% 3573 60% 16 RubiChess 3591 45 45 82 52% 3577 57% 17 Viridithas 3590 42 42 90 51% 3587 59% 18 Booot 3588 36 36 126 57% 3541 63% 19 rofChade 3579 46 46 80 47% 3601 56% 20 Seer 3578 44 44 84 50% 3578 55% 21 Uralochka 3572 44 44 84 51% 3568 61% 22 Stockfish_15_100M 3568 7 7 3207 54% 3542 68% 23 Horsie 3560 36 36 131 57% 3503 55% 24 Starzix 3553 32 32 164 55% 3515 60% 25 Clover 3548 36 36 126 58% 3494 60% 26 Stoofvlees 3531 44 44 84 42% 3582 58% 27 Stockfish_13_CCRL 3522 9 9 2048 51% 3517 69% 28 StockfishClassical 3519 65 65 38 54% 3492 61% 29 Velvet 3518 42 42 96 47% 3537 55% 30 Spaghet 3518 55 55 56 61% 3433 64% 31 Stockfish_15_30M_4th 3517 6 6 5120 51% 3508 69% 32 Revenge 3517 44 44 83 43% 3565 57% 33 Igel 3515 44 44 84 43% 3557 58% 34 BlackMarlin 3502 50 50 70 51% 3492 49% 35 Arasan 3499 36 36 130 46% 3527 56% 36 Renegade 3499 41 41 96 51% 3490 65% 37 Stockfish_15_30M 3497 7 7 3252 49% 3507 66% 38 Serendipity 3467 52 52 64 52% 3456 47% 39 Halogen 3455 64 64 40 51% 3449 58% 40 Tucano 3453 39 39 108 52% 3436 57% 41 Altair 3450 50 50 68 49% 3463 50% 42 Wasp 3448 70 70 32 47% 3471 63% 43 Texel 3445 62 62 46 53% 3419 54% 44 DeepSjeng 3443 49 49 71 46% 3467 54% 45 LCZeroCPU 3440 62 62 46 47% 3462 54% 46 Heimdall 3436 61 61 44 51% 3428 57% 47 Clarity 3433 68 68 38 51% 3412 55% 48 Minic 3431 50 50 66 45% 3463 61% 49 Stockfish_15_10M 3430 7 7 3201 46% 3458 63% 50 ScorpioNN 3424 45 45 86 43% 3465 51% 51 sirius 3387 46 46 84 44% 3423 55% 52 Stash 3386 51 51 66 40% 3450 53% 53 Superultra 3383 53 53 56 42% 3437 59% 54 Patricia 3378 52 52 68 44% 3417 47% 55 Weiss 3378 77 77 30 50% 3372 47% 56 Stockfish_15_3M 3362 9 9 2158 51% 3354 59% 57 Quanticade 3342 52 52 69 44% 3369 51% 58 Expositor 3335 62 62 48 39% 3416 48% 59 Prelude 3316 71 71 34 40% 3398 74% 60 Sapling 3284 64 64 46 32% 3412 46% 61 Stockfish_15_1M 3273 9 9 2148 51% 3264 56% 62 ChessFighter 3228 77 77 30 40% 3296 47% 63 Bagatur 3227 55 55 70 29% 3380 39% 64 Lynx 3226 76 76 32 36% 3322 47% 65 ice4 3209 37 37 198 77% 2851 32% 66 Princhess 3172 59 59 63 30% 3314 41% 67 Stockfish_15_300k 3157 9 9 2123 52% 3141 49% 68 c4ke 3144 76 76 55 82% 2671 29% 69 4ku 3014 40 40 170 54% 2852 29% 70 Stockfish_15_100k 3003 9 9 2116 54% 2974 39% 71 STRO4K 2942 47 47 149 55% 2798 23% 72 LESS_STRO4K 2871 156 156 20 98% 2463 5% 73 Stockfish_15_30k 2781 10 10 2072 51% 2771 30% 74 Stockfish_15_10k 2535 12 12 2075 55% 2473 19% 75 4k.c 2463 61 61 144 29% 2684 13% 76 molly 2427 73 73 105 32% 2657 11% 77 M4sseur 2375 90 90 56 34% 2588 18% 78 Stockfish_15_3k 2169 14 14 2074 50% 2155 9% 79 pygone 1806 99 99 126 6% 2620 5% 80 Stockfish_15_1k 1777 21 21 1049 8% 2163 8% 81 moonfish 1470 244 244 8 0% 1973 0% 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. Time now: 2025-11-07T15:59:39 UTC bayeselo input: readpgn all/TCEC_Season_24_Calibration.pgn readpgn players/TCEC_Season_28.pgn readpgn players/TCEC_Season_29.pgn elo advantage 98.9011 drawelo 249.5 mm scale 0.6257828146538985 offset 3522 Stockfish_13_CCRL ratings