Rank Name Elo + - games score oppo. draws 1 Stockfish 3766 26 26 249 63% 3677 52% 2 LCZero 3717 26 26 259 53% 3694 53% 3 Obsidian 3693 35 35 140 55% 3657 54% 4 Integral 3684 26 26 250 61% 3612 60% 5 Reckless 3679 35 35 134 61% 3602 63% 6 PlentyChess 3667 25 25 256 58% 3613 60% 7 Torch 3659 51 51 71 68% 3520 62% 8 Berserk 3653 35 35 129 48% 3665 62% 9 Stormphrax 3652 34 34 140 56% 3614 64% 10 Caissa 3646 40 40 100 54% 3619 66% 11 RubiChess 3639 44 44 84 54% 3616 52% 12 Ceres 3639 42 42 100 57% 3583 56% 13 Halogen 3634 48 48 70 65% 3531 59% 14 KomodoDragon 3631 41 41 95 46% 3656 59% 15 Pawnocchio 3628 43 43 94 59% 3568 51% 16 Stockfish_15_1G 3613 33 33 149 47% 3637 57% 17 Viridithas 3611 41 41 96 51% 3601 60% 18 Stockfish_15_300M 3609 12 12 1184 55% 3578 69% 19 Seer 3602 45 45 78 49% 3606 60% 20 Ginkgo 3600 43 43 91 52% 3586 51% 21 Ethereal 3597 38 38 115 47% 3622 55% 22 Booot 3591 37 37 112 54% 3561 66% 23 Clover 3584 39 39 110 57% 3535 57% 24 Quanticade 3579 47 47 82 62% 3485 49% 25 Uralochka 3578 47 47 76 50% 3576 55% 26 Horsie 3577 39 39 113 53% 3558 45% 27 Starzix 3573 43 43 86 51% 3564 63% 28 Stockfish_15_100M 3570 7 7 3179 54% 3543 68% 29 rofChade 3561 47 47 74 44% 3604 58% 30 Stoofvlees 3543 47 47 72 42% 3597 61% 31 Revenge 3538 54 54 53 38% 3621 64% 32 Cinder 3535 55 55 54 52% 3525 56% 33 Velvet 3527 44 44 90 46% 3555 50% 34 StockfishClassical 3525 69 69 34 53% 3505 59% 35 Heimdall 3522 45 45 84 52% 3506 52% 36 Stockfish_13_CCRL 3522 9 9 2048 51% 3517 69% 37 Stockfish_15_30M_4th 3517 6 6 5120 51% 3508 69% 38 BlackMarlin 3512 46 46 78 49% 3515 55% 39 Igel 3511 43 43 88 42% 3562 64% 40 Arasan 3511 36 36 124 44% 3554 58% 41 Renegade 3504 36 36 124 48% 3515 56% 42 Stockfish_15_30M 3498 7 7 3162 49% 3506 66% 43 Tarnished 3497 41 41 96 48% 3514 58% 44 Altair 3483 66 66 38 45% 3518 47% 45 Monty 3465 54 54 69 57% 3382 35% 46 Tucano 3462 45 45 82 46% 3489 52% 47 Weiss 3461 229 229 2 75% 3350 50% 48 LCZeroCPU 3450 62 62 46 47% 3473 54% 49 Minic 3445 46 46 84 50% 3441 48% 50 DeepSjeng 3440 46 46 80 45% 3476 48% 51 Serendipity 3436 57 57 52 35% 3533 50% 52 Sirius 3435 43 43 94 49% 3440 47% 53 ScorpioNN 3434 64 64 40 39% 3510 48% 54 Stockfish_15_10M 3427 7 7 3142 46% 3456 63% 55 Winter 3426 51 51 70 51% 3418 41% 56 Wasp 3424 62 62 42 36% 3519 52% 57 Patricia 3410 43 43 98 45% 3442 40% 58 Stash 3402 70 70 34 34% 3512 50% 59 Stockfish_15_3M 3350 9 9 2086 51% 3342 59% 60 Lynx 3312 57 57 52 46% 3339 50% 61 Bagatur 3291 71 71 42 24% 3477 43% 62 Stockfish_15_1M 3254 9 9 2088 52% 3242 56% 63 ice4 3243 41 41 126 62% 3036 47% 64 ChessFighter 3237 54 54 64 40% 3317 48% 65 Princhess 3230 57 57 58 34% 3345 47% 66 c4ke 3221 37 37 154 56% 3079 47% 67 Stockfish_15_300k 3130 9 9 2078 52% 3114 49% 68 Cheese 3095 89 89 30 22% 3331 30% 69 4ku 3087 73 73 50 68% 2719 24% 70 LESS_STRO4K 3054 55 55 72 63% 2984 39% 71 STRO4K 2994 70 70 54 57% 2749 22% 72 Stockfish_15_100k 2969 10 10 2070 54% 2939 39% 73 4k.c 2819 50 50 105 31% 2886 24% 74 Stockfish_15_30k 2742 10 10 2058 51% 2732 29% 75 Stockfish_15_10k 2492 12 12 2057 55% 2432 18% 76 molly 2426 170 170 50 18% 2806 0% 77 Stockfish_15_3k 2121 15 15 2052 50% 2109 9% 78 Stockfish_15_1k 1726 21 21 1031 7% 2117 7% 79 pygone 1549 172 172 59 2% 2773 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: 2026-01-07T09:39:27 UTC Events included: TCEC offline rating calibration 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 TCEC Season 29 - Swiss 9 Tiebreak 2 Cup Entrance TCEC Season 29 - Swiss 9 Tiebreak 3 Seeds 6-8 TCEC Season 29 - Swiss 9 Tiebreak 4 Seeds 7-8 TCEC Season 29 - Swiss 9 Tiebreak 5 Seeds 3-5 TCEC Season 29 - Swiss 9 Tiebreak 6 Seeds 4-5 TCEC Season 29 - Cup 16 Testing TCEC Season 29 - Stockfish_15_1G Testing Calibration 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