Rank Name Elo + - games score oppo. draws 1 Stockfish 3763 25 25 265 63% 3673 53% 2 LCZero 3716 25 25 277 54% 3688 53% 3 Obsidian 3692 33 33 150 56% 3650 59% 4 Integral 3677 25 25 256 61% 3604 61% 5 PlentyChess 3663 25 25 260 58% 3608 61% 6 Berserk 3659 33 33 149 50% 3660 63% 7 Reckless 3654 33 33 146 60% 3588 60% 8 Caissa 3645 37 37 114 54% 3614 65% 9 Ceres 3643 40 40 102 55% 3604 60% 10 Torch 3640 56 56 59 69% 3493 63% 11 Stormphrax 3639 31 31 164 56% 3598 63% 12 KomodoDragon 3638 38 38 113 48% 3649 61% 13 Halogen 3617 51 51 62 64% 3524 60% 14 Stockfish_15_300M 3613 12 12 1112 56% 3575 70% 15 Pawnocchio 3612 48 48 74 60% 3541 53% 16 RubiChess 3610 41 41 100 53% 3588 54% 17 Ethereal 3609 37 37 117 45% 3645 57% 18 Ginkgo 3597 37 37 125 53% 3572 54% 19 Seer 3596 41 41 96 51% 3592 57% 20 Viridithas 3591 39 39 108 49% 3595 61% 21 Stockfish_15_1G 3588 45 45 83 42% 3647 54% 22 Booot 3588 35 35 130 54% 3561 62% 23 Quanticade 3581 48 48 78 63% 3478 50% 24 Uralochka 3576 42 42 98 52% 3565 54% 25 Starzix 3575 38 38 108 51% 3568 63% 26 Horsie 3575 36 36 133 53% 3550 49% 27 rofChade 3573 42 42 92 46% 3599 58% 28 Clover 3572 36 36 130 56% 3528 58% 29 Stockfish_15_100M 3571 7 7 3185 54% 3544 68% 30 Stoofvlees 3538 42 42 94 44% 3580 57% 31 Cinder 3535 55 55 54 52% 3525 56% 32 Revenge 3529 46 46 75 41% 3587 59% 33 StockfishClassical 3522 69 69 34 53% 3502 59% 34 Stockfish_13_CCRL 3522 9 9 2048 51% 3517 69% 35 Velvet 3518 43 43 92 44% 3561 53% 36 Stockfish_15_30M_4th 3517 6 6 5120 51% 3508 69% 37 Igel 3517 42 42 92 43% 3563 62% 38 Heimdall 3512 50 50 68 52% 3497 49% 39 BlackMarlin 3512 45 45 82 49% 3520 54% 40 Arasan 3508 34 34 144 45% 3539 58% 41 Renegade 3506 36 36 124 48% 3519 57% 42 Stockfish_15_30M 3498 7 7 3176 49% 3506 66% 43 Tarnished 3493 47 47 72 47% 3520 60% 44 Texel 3479 85 85 22 48% 3490 59% 45 Monty 3467 55 55 65 58% 3369 34% 46 Altair 3458 53 53 60 47% 3481 50% 47 LCZeroCPU 3448 62 62 46 47% 3470 54% 48 Tucano 3448 40 40 104 46% 3471 52% 49 Minic 3443 41 41 104 50% 3444 51% 50 ScorpioNN 3442 52 52 62 43% 3484 53% 51 DeepSjeng 3441 46 46 78 45% 3476 56% 52 Serendipity 3436 57 57 52 35% 3532 50% 53 Winter 3434 61 61 50 55% 3394 42% 54 Sirius 3433 39 39 114 49% 3436 49% 55 Stockfish_15_10M 3426 7 7 3142 46% 3456 63% 56 Wasp 3416 62 62 42 36% 3511 52% 57 Stash 3414 55 55 56 39% 3486 50% 58 Patricia 3410 42 42 100 48% 3422 44% 59 Weiss 3404 84 84 24 48% 3414 46% 60 Stockfish_15_3M 3349 9 9 2086 51% 3342 59% 61 Lynx 3300 49 49 72 43% 3348 50% 62 Bagatur 3284 70 70 42 24% 3469 43% 63 ice4 3281 38 38 146 60% 3100 45% 64 Stockfish_15_1M 3253 9 9 2086 52% 3242 56% 65 c4ke 3247 37 37 152 57% 3097 47% 66 ChessFighter 3243 47 47 84 39% 3330 46% 67 Princhess 3224 50 50 76 33% 3345 45% 68 Stockfish_15_300k 3129 9 9 2076 52% 3113 49% 69 4ku 3125 73 73 50 68% 2747 24% 70 Cheese 3099 89 89 30 22% 3332 30% 71 LESS_STRO4K 3075 54 54 72 63% 3003 39% 72 STRO4K 3062 60 60 76 47% 2947 25% 73 Stockfish_15_100k 2969 10 10 2070 54% 2939 39% 74 4k.c 2846 50 50 105 31% 2910 24% 75 Stockfish_15_30k 2742 10 10 2058 51% 2733 29% 76 Stockfish_15_10k 2492 12 12 2057 55% 2433 18% 77 molly 2447 176 176 50 18% 2837 0% 78 Stockfish_15_3k 2121 15 15 2052 50% 2109 9% 79 Stockfish_15_1k 1726 21 21 1031 7% 2117 7% 80 pygone 1546 173 173 59 2% 2803 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: 2025-12-27T17:38:28 UTC Events included: TCEC offline rating calibration TCEC Season 28 - Swiss 8 TCEC Season 28 - Cup 15 Testing TCEC Cup 15 Round32 TCEC Cup 15 Round16 TCEC Cup 15 Quarterfinal TCEC Cup 15 Semifinal TCEC Cup 15 Bronze TCEC Cup 15 Final TCEC Season 28 - EL Testing TCEC Season 28 - Entrance League TCEC Season 28 - Entrance League Tiebreak 1 TCEC Season 28 - Entrance League Tiebreak 2 TCEC Season 28 - LCZeroCPU Testing TCEC Season 28 - SFclass and LCZcpu vs S28EL Gauntlet Bonus TCEC Season 28 - L2 Testing TCEC Season 28 - League 2 TCEC Season 28 - L1 Testing TCEC Season 28 - League 1 TCEC Season 28 - DivP Testing TCEC Season 28 - Division P TCEC Season 28 - Sufi Testing TCEC Season 28 - Superfinal TCEC Season 29 - 4K Testing TCEC Season 29 - 4K VI TCEC Season 29 - 4K MiniFinal Testing TCEC Season 29 - 4K VI MiniFinal TCEC Season 29 - 4K ELF II TCEC Season 29 - Playoff and Swiss 9 Testing 1 TCEC Season 29 - Playoff and Swiss 9 Testing 2 TCEC Season 29 - Category 3 Playoff TCEC Season 29 - Category 2 Playoff Testing TCEC Season 29 - Category 2 Playoff TCEC Season 29 - Category 1 Playoff Testing TCEC Season 29 - Category 1 Playoff TCEC Season 29 - Swiss 9 Testing TCEC Season 29 - Swiss 9 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 250.999 mm scale 0.6229378936520471 offset 3522 Stockfish_13_CCRL ratings