Rank Name Elo + - games score oppo. draws 1 Stockfish 3764 25 25 269 63% 3673 53% 2 LCZero 3716 25 25 281 54% 3687 53% 3 Obsidian 3690 33 33 154 56% 3650 58% 4 Integral 3678 25 25 260 61% 3605 62% 5 PlentyChess 3665 25 25 264 58% 3608 61% 6 Berserk 3659 32 32 153 50% 3658 63% 7 Reckless 3654 33 33 150 59% 3592 61% 8 Caissa 3643 37 37 118 54% 3614 66% 9 Ceres 3639 39 39 106 54% 3608 59% 10 KomodoDragon 3638 37 37 117 48% 3649 61% 11 Stormphrax 3637 31 31 168 56% 3599 64% 12 Torch 3636 54 54 63 67% 3499 62% 13 Halogen 3621 50 50 66 64% 3522 59% 14 Pawnocchio 3617 47 47 78 60% 3545 51% 15 Stockfish_15_300M 3613 12 12 1112 56% 3575 70% 16 RubiChess 3611 40 40 104 52% 3593 53% 17 Ethereal 3604 37 37 122 45% 3640 57% 18 Ginkgo 3600 36 36 129 53% 3574 54% 19 Seer 3594 40 40 100 51% 3590 57% 20 Viridithas 3593 38 38 112 50% 3594 62% 21 Booot 3589 34 34 134 54% 3560 63% 22 Stockfish_15_1G 3588 45 45 83 42% 3647 54% 23 Quanticade 3577 47 47 82 62% 3483 49% 24 Horsie 3577 35 35 137 53% 3550 48% 25 Uralochka 3577 41 41 102 51% 3566 54% 26 Starzix 3576 38 38 108 51% 3569 63% 27 Clover 3574 35 35 134 56% 3532 57% 28 rofChade 3573 41 41 96 46% 3602 58% 29 Stockfish_15_100M 3571 7 7 3185 54% 3544 68% 30 Stoofvlees 3545 41 41 98 44% 3581 58% 31 Cinder 3533 55 55 54 52% 3523 56% 32 Revenge 3529 46 46 75 41% 3587 59% 33 Stockfish_13_CCRL 3522 9 9 2048 51% 3517 69% 34 StockfishClassical 3522 69 69 34 53% 3502 59% 35 Igel 3521 41 41 97 44% 3562 61% 36 Velvet 3520 42 42 97 45% 3559 53% 37 Stockfish_15_30M_4th 3517 6 6 5120 51% 3508 69% 38 BlackMarlin 3513 44 44 85 50% 3514 53% 39 Heimdall 3513 48 48 72 52% 3499 49% 40 Arasan 3505 33 33 148 45% 3540 57% 41 Renegade 3503 36 36 128 48% 3515 57% 42 Stockfish_15_30M 3498 7 7 3176 49% 3506 66% 43 Tarnished 3495 46 46 76 47% 3517 58% 44 Texel 3478 85 85 22 48% 3490 59% 45 Monty 3465 53 53 69 57% 3382 35% 46 Altair 3457 53 53 60 47% 3481 50% 47 Tucano 3448 40 40 104 46% 3471 52% 48 LCZeroCPU 3448 62 62 46 47% 3470 54% 49 ScorpioNN 3441 52 52 62 43% 3484 53% 50 DeepSjeng 3441 45 45 82 46% 3471 55% 51 Minic 3440 40 40 106 49% 3445 51% 52 Serendipity 3433 57 57 52 35% 3530 50% 53 Sirius 3430 39 39 118 49% 3434 49% 54 Winter 3429 58 58 55 54% 3398 42% 55 Stockfish_15_10M 3426 7 7 3142 46% 3456 63% 56 Wasp 3418 62 62 42 36% 3512 52% 57 Stash 3414 55 55 56 39% 3486 50% 58 Patricia 3406 41 41 105 48% 3421 44% 59 Weiss 3404 84 84 24 48% 3414 46% 60 Stockfish_15_3M 3349 9 9 2086 51% 3341 59% 61 Lynx 3300 48 48 74 43% 3352 50% 62 Bagatur 3285 70 70 42 24% 3471 43% 63 ice4 3280 37 37 148 60% 3104 45% 64 Stockfish_15_1M 3253 9 9 2086 52% 3241 56% 65 c4ke 3246 36 36 154 56% 3100 47% 66 ChessFighter 3243 47 47 86 38% 3332 47% 67 Princhess 3227 48 48 80 33% 3350 45% 68 Stockfish_15_300k 3129 9 9 2076 52% 3113 49% 69 4ku 3124 73 73 50 68% 2746 24% 70 Cheese 3098 89 89 30 22% 3331 30% 71 LESS_STRO4K 3074 54 54 72 63% 3002 39% 72 STRO4K 3061 60 60 76 47% 2946 25% 73 Stockfish_15_100k 2969 10 10 2070 54% 2939 39% 74 4k.c 2845 50 50 105 31% 2909 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 2446 176 176 50 18% 2836 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% 2802 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: 2025-12-31T15:25:21 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 TCEC Season 29 - Swiss 9 Tiebreak 1 Cup Entrance 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