Rank Name Elo + - games score oppo. draws 1 Stockfish 3809 22 22 367 61% 3727 46% 2 LCZero 3755 26 26 250 51% 3740 52% 3 Reckless 3750 25 25 284 53% 3728 48% 4 Integral 3718 39 39 116 52% 3706 50% 5 Torch 3715 24 24 297 62% 3626 53% 6 PlentyChess 3709 37 37 123 53% 3688 51% 7 Obsidian 3693 35 35 137 49% 3702 55% 8 Ceres 3679 40 40 113 59% 3604 53% 9 Stockfish_15_1G 3668 16 16 637 56% 3622 52% 10 KomodoDragon 3661 47 47 72 51% 3656 63% 11 RubiChess 3661 42 42 96 53% 3640 52% 12 Berserk 3658 45 45 86 43% 3709 47% 13 Pawnocchio 3658 27 27 236 58% 3601 51% 14 Halogen 3654 29 29 202 59% 3589 57% 15 Viridithas 3647 42 42 94 52% 3633 63% 16 Stormphrax 3645 43 43 90 49% 3652 54% 17 Caissa 3631 43 43 89 48% 3644 58% 18 Clover 3620 29 29 196 53% 3604 58% 19 Quanticade 3607 33 33 167 58% 3543 52% 20 Stockfish_15_300M 3607 10 10 1672 50% 3607 64% 21 Ginkgo 3599 43 43 90 52% 3583 56% 22 Horsie 3599 41 41 104 56% 3558 44% 23 Ethereal 3594 41 41 96 47% 3616 58% 24 Uralochka 3583 48 48 74 49% 3586 53% 25 Stockfish_15_100M 3570 7 7 3190 54% 3543 68% 26 rofChade 3569 46 46 79 46% 3601 58% 27 Seer 3562 45 45 80 44% 3600 61% 28 Tarnished 3562 30 30 182 52% 3551 58% 29 Booot 3557 47 47 76 45% 3594 50% 30 Cinder 3552 55 55 54 52% 3542 56% 31 Velvet 3548 47 47 80 51% 3541 48% 32 Stoofvlees 3541 48 48 71 43% 3587 58% 33 Heimdall 3538 37 37 122 50% 3539 54% 34 Renegade 3528 37 37 124 49% 3537 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 3509 47 47 74 46% 3536 57% 38 Stockfish_15_30M 3498 7 7 3154 49% 3506 66% 39 BlackMarlin 3494 48 48 73 45% 3532 53% 40 Monty 3470 54 54 69 57% 3386 35% 41 Arasan 3462 51 51 62 38% 3544 60% 42 Weiss 3462 230 230 2 75% 3350 50% 43 Tucano 3461 66 66 38 38% 3540 45% 44 DeepSjeng 3457 49 49 74 43% 3505 46% 45 Winter 3456 42 42 104 49% 3463 41% 46 Serendipity 3453 57 57 52 35% 3550 50% 47 Wasp 3446 63 63 42 36% 3541 52% 48 Sirius 3444 59 59 54 57% 3390 41% 49 Minic 3440 63 63 48 55% 3401 40% 50 Stockfish_15_10M 3427 7 7 3136 46% 3456 63% 51 Patricia 3404 43 43 96 42% 3461 42% 52 Stockfish_15_3M 3350 9 9 2080 51% 3342 59% 53 Lynx 3318 58 58 52 46% 3346 50% 54 Bagatur 3312 72 72 42 24% 3499 43% 55 Stockfish_15_1M 3254 9 9 2082 52% 3242 56% 56 ice4 3249 41 41 126 62% 3040 47% 57 ChessFighter 3242 55 55 64 40% 3325 48% 58 Princhess 3236 58 58 58 34% 3352 47% 59 c4ke 3227 37 37 154 56% 3084 47% 60 Stockfish_15_300k 3129 9 9 2076 52% 3113 49% 61 Cheese 3099 90 90 30 22% 3341 30% 62 4ku 3091 73 73 50 68% 2721 24% 63 LESS_STRO4K 3058 56 56 72 63% 2989 39% 64 STRO4K 2998 71 71 54 57% 2751 22% 65 Stockfish_15_100k 2968 10 10 2070 54% 2938 39% 66 4k.c 2822 51 51 105 31% 2888 24% 67 Stockfish_15_30k 2740 10 10 2058 51% 2731 29% 68 Stockfish_15_10k 2489 12 12 2057 55% 2429 18% 69 molly 2425 171 171 50 18% 2808 0% 70 Stockfish_15_3k 2116 15 15 2052 50% 2104 9% 71 Stockfish_15_1k 1718 22 22 1031 7% 2112 7% 72 pygone 1542 174 174 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: 2026-04-15T16:36:03 UTC Events included: TCEC offline rating calibration TCEC Season 29 - Stockfish_15_1G Testing Calibration 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 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 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_28.pgn readpgn players/TCEC_Season_29.pgn elo advantage 101.898 drawelo 248.002 mm scale 0.6287750622253836 offset 3522 Stockfish_13_CCRL ratings