Rank Name Elo + - games score oppo. draws 1 Stockfish 3771 26 26 247 63% 3683 53% 2 LCZero 3724 26 26 253 52% 3710 53% 3 Obsidian 3696 34 34 136 56% 3656 60% 4 Integral 3676 26 26 240 60% 3602 61% 5 PlentyChess 3669 26 26 248 59% 3609 60% 6 Berserk 3666 35 35 131 49% 3671 65% 7 Caissa 3658 41 41 96 55% 3621 67% 8 Reckless 3655 35 35 130 60% 3586 60% 9 Ceres 3650 43 43 84 55% 3619 64% 10 KomodoDragon 3645 41 41 95 47% 3665 60% 11 Stormphrax 3642 33 33 146 57% 3597 65% 12 Ethereal 3624 40 40 99 44% 3662 57% 13 Halogen 3615 62 62 42 70% 3478 60% 14 Stockfish_15_300M 3613 12 12 1112 56% 3575 70% 15 RubiChess 3609 45 45 82 52% 3595 57% 16 Ginkgo 3607 39 39 107 54% 3579 55% 17 Seer 3603 45 45 78 51% 3599 58% 18 Booot 3600 38 38 112 55% 3565 64% 19 Viridithas 3595 42 42 90 48% 3604 61% 20 Pawnocchio 3593 56 56 54 62% 3511 50% 21 Uralochka 3592 45 45 80 51% 3584 58% 22 Torch 3590 70 70 40 73% 3416 55% 23 rofChade 3588 46 46 74 45% 3620 61% 24 Stockfish_15_1G 3586 49 49 68 43% 3638 53% 25 Horsie 3580 38 38 117 54% 3547 50% 26 Starzix 3579 38 38 108 51% 3572 63% 27 Stockfish_15_100M 3571 7 7 3189 54% 3545 68% 28 Quanticade 3566 56 56 58 66% 3448 48% 29 Clover 3557 38 38 114 57% 3511 57% 30 Stoofvlees 3551 46 46 78 43% 3598 58% 31 Revenge 3534 46 46 75 41% 3592 59% 32 Igel 3529 45 45 78 43% 3575 60% 33 Velvet 3528 47 47 74 43% 3578 57% 34 Cinder 3527 55 55 54 52% 3517 56% 35 BlackMarlin 3525 51 51 64 51% 3520 52% 36 Stockfish_13_CCRL 3522 9 9 2048 51% 3517 69% 37 StockfishClassical 3522 68 68 34 53% 3502 59% 38 Stockfish_15_30M_4th 3517 6 6 5120 51% 3508 69% 39 Arasan 3509 36 36 126 45% 3542 57% 40 Renegade 3499 39 39 104 48% 3515 59% 41 Stockfish_15_30M 3498 7 7 3187 49% 3506 66% 42 Heimdall 3493 60 60 46 51% 3487 50% 43 Tarnished 3487 55 55 52 46% 3515 62% 44 Texel 3479 85 85 22 48% 3491 59% 45 Monty 3464 71 71 44 65% 3302 25% 46 Altair 3458 52 52 60 47% 3481 50% 47 DeepSjeng 3457 52 52 60 45% 3491 57% 48 LCZeroCPU 3448 62 62 46 47% 3470 54% 49 Tucano 3443 40 40 106 46% 3466 53% 50 Minic 3442 45 45 84 50% 3440 52% 51 ScorpioNN 3435 50 50 66 42% 3484 53% 52 Serendipity 3428 57 57 52 35% 3525 50% 53 Stockfish_15_10M 3426 7 7 3144 46% 3456 63% 54 Sirius 3425 42 42 96 49% 3429 50% 55 Winter 3417 81 81 28 61% 3336 36% 56 Wasp 3410 62 62 42 36% 3504 52% 57 Weiss 3405 84 84 24 48% 3415 46% 58 Stash 3403 54 54 58 39% 3478 50% 59 Patricia 3403 46 46 84 48% 3413 42% 60 Stockfish_15_3M 3350 9 9 2090 51% 3342 59% 61 ice4 3294 41 41 126 66% 3054 46% 62 Bagatur 3278 70 70 42 24% 3462 43% 63 Lynx 3274 58 58 52 42% 3325 50% 64 c4ke 3255 40 40 130 61% 3055 46% 65 Stockfish_15_1M 3254 9 9 2086 52% 3243 56% 66 ChessFighter 3211 56 56 60 38% 3307 45% 67 Princhess 3208 57 57 58 34% 3325 43% 68 4ku 3131 73 73 50 68% 2752 24% 69 Stockfish_15_300k 3129 9 9 2076 52% 3113 49% 70 Cheese 3091 88 88 28 23% 3294 32% 71 LESS_STRO4K 3072 54 54 72 63% 2998 39% 72 STRO4K 3063 60 60 76 47% 2948 25% 73 Stockfish_15_100k 2968 10 10 2068 54% 2938 39% 74 4k.c 2846 50 50 105 31% 2911 24% 75 Stockfish_15_30k 2742 10 10 2058 51% 2732 29% 76 Stockfish_15_10k 2492 12 12 2057 55% 2433 18% 77 molly 2450 175 175 50 18% 2842 0% 78 Stockfish_15_3k 2122 15 15 2052 50% 2110 9% 79 Stockfish_15_1k 1728 21 21 1031 7% 2118 7% 80 pygone 1549 172 172 59 2% 2807 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: 2025-12-08T05:36:19 UTC bayeselo input: readpgn all/TCEC_Season_24_Calibration.pgn readpgn players/Stripped_TCEC_Season_28.pgn readpgn players/TCEC_Season_29.pgn elo advantage 98.9011 drawelo 252.498 mm scale 0.6200912067820511 offset 3522 Stockfish_13_CCRL ratings