Rank Name Elo + - games score oppo. draws 1 Stockfish 3765 26 26 259 63% 3675 53% 2 LCZero 3715 25 25 271 53% 3691 53% 3 Obsidian 3693 34 34 144 56% 3651 58% 4 Integral 3679 26 26 250 61% 3604 61% 5 PlentyChess 3668 25 25 254 58% 3610 60% 6 Berserk 3665 33 33 143 50% 3664 64% 7 Reckless 3653 34 34 140 60% 3586 61% 8 Caissa 3642 38 38 110 54% 3616 65% 9 Stormphrax 3641 32 32 158 57% 3596 64% 10 KomodoDragon 3640 39 39 107 48% 3652 61% 11 Ceres 3635 41 41 98 55% 3602 60% 12 Torch 3632 60 60 53 70% 3477 60% 13 Halogen 3620 53 53 58 65% 3521 60% 14 Ethereal 3620 38 38 111 45% 3652 57% 15 Stockfish_15_300M 3613 12 12 1112 56% 3575 70% 16 Pawnocchio 3607 50 50 68 60% 3536 53% 17 Ginkgo 3606 38 38 119 55% 3571 54% 18 RubiChess 3604 42 42 96 52% 3588 54% 19 Seer 3595 42 42 92 51% 3591 58% 20 Booot 3594 36 36 124 55% 3563 63% 21 Stockfish_15_1G 3589 45 45 83 42% 3647 54% 22 Viridithas 3586 39 39 104 48% 3597 62% 23 Horsie 3580 37 37 127 54% 3551 49% 24 Uralochka 3579 42 42 94 52% 3567 54% 25 Starzix 3578 38 38 108 51% 3571 63% 26 Quanticade 3574 50 50 72 65% 3463 49% 27 rofChade 3571 44 44 86 45% 3603 58% 28 Stockfish_15_100M 3571 7 7 3185 54% 3544 68% 29 Clover 3569 36 36 124 56% 3523 58% 30 Stoofvlees 3538 43 43 90 42% 3589 58% 31 Cinder 3531 55 55 54 52% 3521 56% 32 Revenge 3528 46 46 75 41% 3587 59% 33 StockfishClassical 3525 69 69 34 53% 3505 59% 34 Stockfish_13_CCRL 3522 9 9 2048 51% 3517 69% 35 Igel 3521 43 43 88 43% 3568 63% 36 Velvet 3520 44 44 88 44% 3562 52% 37 BlackMarlin 3520 47 47 76 49% 3528 53% 38 Stockfish_15_30M_4th 3517 6 6 5120 51% 3508 69% 39 Renegade 3510 37 37 120 48% 3524 58% 40 Arasan 3507 34 34 140 45% 3544 58% 41 Heimdall 3506 51 51 64 52% 3496 47% 42 Tarnished 3500 50 50 66 48% 3520 59% 43 Stockfish_15_30M 3498 7 7 3176 49% 3506 66% 44 Texel 3480 85 85 22 48% 3491 59% 45 Monty 3467 59 59 59 61% 3347 31% 46 Altair 3459 53 53 60 47% 3483 50% 47 LCZeroCPU 3450 62 62 46 47% 3472 54% 48 Tucano 3449 40 40 104 46% 3472 52% 49 DeepSjeng 3445 47 47 74 45% 3482 57% 50 ScorpioNN 3444 52 52 62 43% 3486 53% 51 Minic 3444 42 42 98 49% 3446 50% 52 Sirius 3435 40 40 110 49% 3439 49% 53 Serendipity 3432 57 57 52 35% 3529 50% 54 Winter 3426 64 64 46 54% 3391 39% 55 Stockfish_15_10M 3426 7 7 3142 46% 3456 63% 56 Wasp 3417 62 62 42 36% 3512 52% 57 Stash 3416 55 55 56 39% 3488 50% 58 Patricia 3412 43 43 96 48% 3424 44% 59 Weiss 3406 84 84 24 48% 3416 46% 60 Stockfish_15_3M 3349 9 9 2086 51% 3341 59% 61 Lynx 3291 51 51 66 42% 3349 50% 62 Bagatur 3285 70 70 42 24% 3470 43% 63 ice4 3284 39 39 140 62% 3087 45% 64 Stockfish_15_1M 3253 9 9 2086 52% 3241 56% 65 c4ke 3253 38 38 146 58% 3089 47% 66 ChessFighter 3239 49 49 78 38% 3328 46% 67 Princhess 3222 51 51 72 33% 3340 44% 68 Stockfish_15_300k 3129 9 9 2076 52% 3113 49% 69 4ku 3128 73 73 50 68% 2750 24% 70 Cheese 3098 89 89 30 22% 3331 30% 71 LESS_STRO4K 3076 54 54 72 63% 3003 39% 72 STRO4K 3064 60 60 76 47% 2949 25% 73 Stockfish_15_100k 2969 10 10 2070 54% 2939 39% 74 4k.c 2848 50 50 105 31% 2912 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 2449 176 176 50 18% 2839 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% 2805 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: 2025-12-22T15:31:18 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