Rank Name Elo + - games score oppo. draws 1 Stockfish 3771 26 26 249 63% 3682 52% 2 LCZero 3722 26 26 259 53% 3699 53% 3 Obsidian 3699 35 35 140 55% 3663 54% 4 Integral 3689 26 26 250 61% 3617 60% 5 Reckless 3684 35 35 134 61% 3607 63% 6 PlentyChess 3672 25 25 256 58% 3618 60% 7 Torch 3665 51 51 71 68% 3525 62% 8 Berserk 3658 35 35 129 48% 3671 62% 9 Stormphrax 3657 34 34 140 56% 3619 64% 10 Caissa 3651 40 40 100 54% 3625 66% 11 Ceres 3644 42 42 100 57% 3587 56% 12 RubiChess 3644 44 44 84 54% 3620 52% 13 Stockfish_15_1G 3638 29 29 205 51% 3631 54% 14 Halogen 3638 48 48 70 65% 3535 59% 15 KomodoDragon 3636 41 41 95 46% 3662 59% 16 Pawnocchio 3632 43 43 94 59% 3573 51% 17 Viridithas 3615 41 41 96 51% 3605 60% 18 Stockfish_15_300M 3608 11 11 1240 54% 3582 68% 19 Seer 3607 45 45 78 49% 3611 60% 20 Ginkgo 3604 43 43 91 52% 3590 51% 21 Ethereal 3602 38 38 115 47% 3627 55% 22 Booot 3595 37 37 112 54% 3565 66% 23 Clover 3587 39 39 110 57% 3539 57% 24 Quanticade 3583 47 47 82 62% 3488 49% 25 Uralochka 3581 47 47 76 50% 3580 55% 26 Horsie 3581 39 39 113 53% 3561 45% 27 Starzix 3577 43 43 86 51% 3568 63% 28 Stockfish_15_100M 3570 7 7 3179 54% 3543 68% 29 rofChade 3566 47 47 74 44% 3608 58% 30 Stoofvlees 3547 47 47 72 42% 3602 61% 31 Revenge 3543 54 54 53 38% 3625 64% 32 Cinder 3538 55 55 54 52% 3528 56% 33 Velvet 3531 44 44 90 46% 3559 50% 34 StockfishClassical 3529 69 69 34 53% 3509 59% 35 Heimdall 3525 45 45 84 52% 3508 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 3516 46 46 78 49% 3519 55% 39 Igel 3515 43 43 88 42% 3566 64% 40 Arasan 3514 36 36 124 44% 3558 58% 41 Renegade 3508 36 36 124 48% 3518 56% 42 Tarnished 3501 41 41 96 48% 3518 58% 43 Stockfish_15_30M 3498 7 7 3162 49% 3506 66% 44 Altair 3487 66 66 38 45% 3521 47% 45 Monty 3467 54 54 69 57% 3384 35% 46 Tucano 3465 45 45 82 46% 3492 52% 47 Weiss 3462 229 229 2 75% 3350 50% 48 LCZeroCPU 3453 62 62 46 47% 3475 54% 49 Minic 3448 46 46 84 50% 3444 48% 50 DeepSjeng 3444 46 46 80 45% 3480 48% 51 Serendipity 3439 57 57 52 35% 3536 50% 52 Sirius 3438 43 43 94 49% 3444 47% 53 ScorpioNN 3438 64 64 40 39% 3514 48% 54 Winter 3429 51 51 70 51% 3421 41% 55 Wasp 3427 62 62 42 36% 3522 52% 56 Stockfish_15_10M 3427 7 7 3142 46% 3456 63% 57 Patricia 3414 43 43 98 45% 3445 40% 58 Stash 3405 70 70 34 34% 3516 50% 59 Stockfish_15_3M 3350 9 9 2086 51% 3343 59% 60 Lynx 3315 57 57 52 46% 3341 50% 61 Bagatur 3294 71 71 42 24% 3480 43% 62 Stockfish_15_1M 3255 9 9 2088 52% 3243 56% 63 ice4 3245 41 41 126 62% 3038 47% 64 ChessFighter 3239 54 54 64 40% 3319 48% 65 Princhess 3233 57 57 58 34% 3347 47% 66 c4ke 3223 37 37 154 56% 3081 47% 67 Stockfish_15_300k 3130 9 9 2078 52% 3114 49% 68 Cheese 3097 89 89 30 22% 3334 30% 69 4ku 3089 73 73 50 68% 2721 24% 70 LESS_STRO4K 3056 55 55 72 63% 2986 39% 71 STRO4K 2996 70 70 54 57% 2751 22% 72 Stockfish_15_100k 2969 10 10 2070 54% 2939 39% 73 4k.c 2821 50 50 105 31% 2888 24% 74 Stockfish_15_30k 2742 10 10 2058 51% 2733 29% 75 Stockfish_15_10k 2493 12 12 2057 55% 2433 18% 76 molly 2428 170 170 50 18% 2808 0% 77 Stockfish_15_3k 2121 15 15 2052 50% 2110 9% 78 Stockfish_15_1k 1726 21 21 1031 7% 2118 7% 79 pygone 1550 172 172 59 2% 2775 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: 2026-01-07T16:38:32 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