Rank Name Elo + - games score oppo. draws 1 Stockfish 3767 26 26 253 63% 3678 53% 2 LCZero 3719 25 25 265 53% 3693 53% 3 Obsidian 3694 34 34 138 56% 3654 59% 4 Integral 3682 26 26 244 61% 3605 61% 5 PlentyChess 3671 26 26 248 59% 3612 61% 6 Berserk 3666 34 34 137 50% 3668 64% 7 Reckless 3654 35 35 134 59% 3590 60% 8 Caissa 3652 39 39 102 54% 3621 66% 9 Stormphrax 3644 33 33 152 57% 3600 63% 10 Ceres 3641 42 42 90 55% 3606 63% 11 KomodoDragon 3641 40 40 102 47% 3661 61% 12 Halogen 3639 57 57 50 70% 3503 60% 13 Ethereal 3625 39 39 105 45% 3658 56% 14 Stockfish_15_300M 3613 12 12 1112 56% 3575 70% 15 Torch 3611 64 64 47 71% 3447 57% 16 RubiChess 3610 43 43 88 52% 3598 56% 17 Pawnocchio 3606 52 52 63 60% 3534 51% 18 Ginkgo 3604 38 38 115 54% 3574 54% 19 Seer 3603 44 44 84 51% 3600 58% 20 Booot 3598 36 36 120 55% 3566 63% 21 Viridithas 3590 41 41 98 47% 3605 60% 22 Stockfish_15_1G 3588 45 45 83 42% 3647 54% 23 Horsie 3584 38 38 121 53% 3556 49% 24 rofChade 3581 45 45 80 45% 3615 58% 25 Starzix 3580 38 38 108 51% 3573 63% 26 Uralochka 3580 44 44 88 51% 3575 56% 27 Stockfish_15_100M 3571 7 7 3185 54% 3545 68% 28 Quanticade 3564 53 53 66 65% 3449 48% 29 Clover 3563 37 37 118 56% 3522 58% 30 Stoofvlees 3553 44 44 82 43% 3598 60% 31 Revenge 3533 46 46 75 41% 3591 59% 32 BlackMarlin 3528 49 49 70 50% 3527 51% 33 StockfishClassical 3527 69 69 34 53% 3507 59% 34 Cinder 3526 55 55 54 52% 3516 56% 35 Igel 3524 44 44 82 41% 3580 61% 36 Stockfish_13_CCRL 3522 9 9 2048 51% 3517 69% 37 Velvet 3519 45 45 82 43% 3567 55% 38 Stockfish_15_30M_4th 3517 6 6 5120 51% 3508 69% 39 Renegade 3512 38 38 112 49% 3520 58% 40 Arasan 3512 35 35 132 45% 3542 58% 41 Heimdall 3510 55 55 56 53% 3492 48% 42 Tarnished 3499 52 52 60 48% 3514 60% 43 Stockfish_15_30M 3498 7 7 3176 49% 3506 66% 44 Texel 3483 85 85 22 48% 3495 59% 45 Altair 3462 53 53 60 47% 3485 50% 46 Monty 3455 61 61 55 59% 3346 31% 47 LCZeroCPU 3452 62 62 46 47% 3474 54% 48 DeepSjeng 3452 49 49 68 45% 3487 57% 49 Tucano 3452 40 40 104 46% 3475 52% 50 ScorpioNN 3447 52 52 62 43% 3489 53% 51 Minic 3446 44 44 90 50% 3445 51% 52 Sirius 3435 41 41 104 49% 3438 50% 53 Winter 3434 70 70 38 58% 3374 37% 54 Serendipity 3426 57 57 52 35% 3523 50% 55 Stockfish_15_10M 3426 7 7 3142 46% 3455 63% 56 Wasp 3420 62 62 42 36% 3514 52% 57 Stash 3417 55 55 56 39% 3489 50% 58 Patricia 3410 45 45 90 48% 3423 44% 59 Weiss 3407 84 84 24 48% 3417 46% 60 Stockfish_15_3M 3348 9 9 2086 51% 3341 59% 61 ice4 3305 40 40 134 64% 3086 46% 62 Bagatur 3288 70 70 42 24% 3472 43% 63 Lynx 3286 54 54 60 42% 3344 50% 64 c4ke 3265 39 39 140 59% 3089 47% 65 Stockfish_15_1M 3253 9 9 2086 52% 3241 56% 66 ChessFighter 3226 51 51 72 38% 3323 47% 67 Princhess 3210 54 54 66 33% 3334 44% 68 4ku 3140 74 74 50 68% 2758 24% 69 Stockfish_15_300k 3129 9 9 2076 52% 3113 49% 70 Cheese 3096 88 88 30 22% 3328 30% 71 LESS_STRO4K 3079 54 54 72 63% 3005 39% 72 STRO4K 3071 60 60 76 47% 2954 25% 73 Stockfish_15_100k 2968 10 10 2070 54% 2939 39% 74 4k.c 2853 50 50 105 31% 2918 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 2453 177 177 50 18% 2848 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 1547 173 173 59 2% 2814 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: 2025-12-16T10:34:14 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