Rank Name Elo + - games score oppo. draws 1 Stockfish 3809 26 26 267 62% 3719 47% 2 LCZero 3758 26 26 250 55% 3718 55% 3 Reckless 3751 21 21 384 52% 3737 48% 4 Integral 3719 39 39 116 52% 3708 50% 5 Torch 3717 25 25 297 62% 3629 53% 6 PlentyChess 3711 37 37 123 53% 3689 51% 7 Obsidian 3695 35 35 137 49% 3704 55% 8 Ceres 3681 40 40 113 59% 3606 53% 9 Stockfish_15_1G 3669 16 16 637 56% 3623 52% 10 KomodoDragon 3663 47 47 72 51% 3658 63% 11 RubiChess 3663 42 42 96 53% 3642 52% 12 Berserk 3660 45 45 86 43% 3711 47% 13 Pawnocchio 3660 27 27 236 58% 3603 51% 14 Halogen 3656 29 29 202 59% 3591 57% 15 Viridithas 3649 42 42 94 52% 3634 63% 16 Stormphrax 3647 43 43 90 49% 3654 54% 17 Caissa 3633 43 43 89 48% 3645 58% 18 Clover 3622 29 29 196 53% 3606 58% 19 Quanticade 3609 33 33 167 58% 3544 52% 20 Stockfish_15_300M 3607 10 10 1672 50% 3607 64% 21 Horsie 3601 41 41 104 56% 3561 44% 22 Ginkgo 3600 43 43 90 52% 3583 56% 23 Ethereal 3596 41 41 96 47% 3619 58% 24 Uralochka 3585 49 49 74 49% 3588 53% 25 rofChade 3571 46 46 79 46% 3603 58% 26 Stockfish_15_100M 3569 7 7 3194 54% 3543 68% 27 Seer 3564 45 45 80 44% 3601 61% 28 Tarnished 3564 30 30 182 52% 3553 58% 29 Booot 3559 47 47 76 45% 3596 50% 30 Cinder 3553 56 56 54 52% 3543 56% 31 Velvet 3551 47 47 80 51% 3544 48% 32 Stoofvlees 3544 48 48 71 43% 3590 58% 33 Heimdall 3539 38 38 122 50% 3539 54% 34 Renegade 3530 37 37 124 49% 3539 54% 35 Stockfish_13_CCRL 3522 9 9 2048 51% 3517 69% 36 Stockfish_15_30M_4th 3517 6 6 5120 51% 3508 69% 37 Igel 3512 47 47 74 46% 3539 57% 38 Stockfish_15_30M 3498 7 7 3166 49% 3505 66% 39 BlackMarlin 3496 48 48 73 45% 3534 53% 40 Monty 3478 54 54 69 57% 3397 35% 41 Arasan 3464 51 51 62 38% 3547 60% 42 Tucano 3463 67 67 38 38% 3542 45% 43 Winter 3461 42 42 104 49% 3468 41% 44 DeepSjeng 3459 49 49 74 43% 3507 46% 45 Serendipity 3454 58 58 52 35% 3551 50% 46 Minic 3454 62 62 48 55% 3416 40% 47 Wasp 3448 63 63 42 36% 3543 52% 48 Sirius 3435 51 51 74 59% 3370 42% 49 Stockfish_15_10M 3427 7 7 3172 46% 3455 63% 50 StockfishClassical 3424 98 98 19 66% 3313 47% 51 Patricia 3412 43 43 96 42% 3470 42% 52 Weiss 3376 94 94 21 62% 3282 38% 53 GinkgoHCE 3359 94 94 20 65% 3257 40% 54 RubiChessHCE 3359 88 88 21 60% 3299 43% 55 Lynx 3356 50 50 72 53% 3330 46% 56 Stockfish_15_3M 3351 9 9 2110 51% 3343 59% 57 Clockwork 3339 85 85 23 52% 3328 52% 58 Komodo 3321 92 92 20 53% 3308 55% 59 EtherealHCE 3315 95 95 18 53% 3289 50% 60 Bagatur 3314 72 72 42 24% 3502 43% 61 Northphrax 3294 89 89 20 53% 3273 65% 62 c4ke 3265 33 33 184 62% 3102 45% 63 Stockfish_15_1M 3258 9 9 2118 52% 3246 56% 64 IgelHCE 3257 95 95 20 48% 3275 35% 65 Stash 3257 91 91 20 45% 3293 40% 66 ChessFighter 3254 55 55 64 40% 3335 48% 67 Princhess 3247 58 58 58 34% 3362 47% 68 RenegadeHCE 3246 86 86 22 36% 3339 55% 69 HeimdallHCE 3210 95 95 20 38% 3299 35% 70 LESS_STRO4K 3195 96 96 22 27% 3378 36% 71 Potential 3183 86 86 22 41% 3233 64% 72 ice4 3171 36 36 160 49% 3101 44% 73 WaspHCE 3166 91 91 20 28% 3315 55% 74 Stockfish_15_300k 3136 9 9 2114 52% 3120 49% 75 Cheese 3079 67 67 49 23% 3297 35% 76 4k.c 3055 32 32 189 57% 2952 47% 77 4ku 3007 46 46 100 50% 2909 47% 78 Stockfish_15_100k 2977 10 10 2096 54% 2947 39% 79 STRO4K 2959 44 44 112 43% 2927 41% 80 SerendipityHCE 2922 138 138 20 5% 3302 10% 81 Stockfish_15_30k 2748 10 10 2052 51% 2738 29% 82 Stockfish_15_10k 2497 12 12 2052 55% 2436 19% 83 molly 2354 255 255 50 18% 2826 0% 84 Stockfish_15_3k 2123 15 15 2058 50% 2110 9% 85 Stockfish_15_1k 1725 22 22 1034 7% 2119 8% 86 pygone 1677 131 131 68 6% 2672 3% 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: 2026-07-18T11:08:07 UTC Events included: TCEC offline rating calibration TCEC Season 29 - Stockfish_15_1G Testing Calibration 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 Cup 16 Round32 TCEC Cup 16 Round16 TCEC Cup 16 Quarterfinal TCEC Cup 16 Semifinal TCEC Cup 16 Bronze TCEC Cup 16 Final TCEC Season 29 - EL Testing TCEC Season 29 - Entrance League TCEC Season 29 - Entrance League Tiebreak 1 TCEC Season 29 - Entrance League Tiebreak 2 TCEC Season 29 - L2 Testing TCEC Season 29 - League 2 TCEC Season 29 - L1 Testing TCEC Season 29 - League 1 TCEC Season 29 - DivP Testing TCEC Season 29 - Division P TCEC Season 29 - Sufi Testing TCEC Season 29 - Superfinal TCEC Season 29 - AltSubfi Bonus TCEC Season 30 - 4K Testing TCEC Season 30 - 4K VII TCEC Season 30 - 4K VII MiniFinal TCEC Season 30 - 4K VII Alt MiniFinal Bonus TCEC Season 30 - 4K ELF III TCEC Season 30 - HCE Testing TCEC Season 30 - HCE Competition 1 bayeselo input: readpgn all/TCEC_Season_24_Calibration.pgn readpgn all/TCEC_Season_29_-_Stockfish_15_1g_Testing_Calibration.pgn readpgn players/Stripped_TCEC_Season_29.pgn readpgn players/TCEC_Season_30.pgn elo advantage 101.898 drawelo 246.503 mm scale 0.6315879793453835 offset 3522 Stockfish_13_CCRL ratings