Rank Name Elo + - games score oppo. draws 1 Stockfish 3632 18 18 493 62% 3548 66% 2 Stockfish_15_1G 3631 251 251 2 50% 3632 0% 3 LCZero 3604 17 17 590 58% 3545 65% 4 KomodoDragon 3588 17 17 548 54% 3560 63% 5 Stockfish_15_300M 3586 70 70 32 58% 3535 59% 6 Stockfish_15_100M 3565 54 54 54 62% 3484 69% 7 Stockfish_13_CCRL 3538 25 25 300 68% 3400 55% 8 Stockfish_15_30M 3536 59 59 50 65% 3432 50% 9 Koivisto 3535 27 27 233 61% 3454 60% 10 Stoofvlees 3510 25 25 304 55% 3453 47% 11 ScorpioNN 3505 23 23 314 49% 3509 64% 12 SlowChess 3492 28 28 212 50% 3491 61% 13 RubiChess 3489 33 33 153 53% 3467 62% 14 AllieStein 3486 51 51 62 42% 3538 65% 15 Revenge 3482 29 29 193 52% 3470 60% 16 rofChade 3476 26 26 251 46% 3500 55% 17 Igel 3475 26 26 245 47% 3493 60% 18 Stockfish_15_10M 3475 59 59 46 61% 3401 61% 19 Ethereal 3472 25 25 257 47% 3494 65% 20 Stockfish_11_CCRL 3461 30 30 187 51% 3452 63% 21 Stockfish_15_3M 3460 68 68 36 64% 3363 50% 22 Berserk 3439 32 32 188 64% 3327 50% 23 LCZeroCPU 3434 54 54 57 34% 3541 51% 24 Nemorino 3432 30 30 184 48% 3446 63% 25 Booot 3431 41 41 112 67% 3306 53% 26 Seer 3430 32 32 168 52% 3411 56% 27 Xiphos 3428 48 48 71 49% 3435 66% 28 Minic 3423 27 27 232 52% 3409 61% 29 Halogen 3408 28 28 210 52% 3394 67% 30 Defenchess 3407 49 49 73 51% 3402 51% 31 Komodo_14_CCRL 3399 30 30 193 51% 3392 56% 32 Arasan 3395 35 35 138 50% 3395 53% 33 Stockfish_15_1M 3386 74 74 30 58% 3326 57% 34 Combusken 3381 50 50 66 50% 3378 67% 35 Fritz 3380 34 34 145 48% 3393 57% 36 KoivistoOld4 3377 44 44 96 62% 3285 45% 37 Wasp 3359 36 36 130 49% 3362 58% 38 Tucano 3355 37 37 128 52% 3342 52% 39 ClassicAra 3354 27 27 234 51% 3341 56% 40 Stockfish_15_300k 3348 70 70 38 67% 3222 39% 41 Weiss 3348 35 35 142 48% 3362 50% 42 Bit-Genie 3347 41 41 110 56% 3299 45% 43 Winter 3346 38 38 118 42% 3397 53% 44 Komodo_10_CCRL 3344 30 30 203 52% 3331 44% 45 Chiron 3328 44 44 87 53% 3307 53% 46 Zahak 3325 36 36 137 52% 3308 53% 47 Vajolet2 3324 37 37 127 44% 3364 55% 48 Marvin 3302 36 36 136 44% 3339 53% 49 BlackMarlin 3300 50 50 70 54% 3270 50% 50 Stash 3295 34 34 150 53% 3276 55% 51 Drofa 3279 32 32 185 46% 3304 44% 52 Mantissa 3279 52 52 64 53% 3255 50% 53 Monolith 3271 39 39 110 47% 3292 55% 54 Cheng 3268 35 35 144 48% 3278 51% 55 Velvet 3265 51 51 66 48% 3278 50% 56 Mr_Bob 3249 39 39 116 45% 3288 47% 57 Amoeba 3241 35 35 154 43% 3292 39% 58 Topple 3237 39 39 117 38% 3324 44% 59 SimpleSearch 3226 142 142 8 63% 3151 25% 60 ChessFighter 3224 38 38 118 44% 3259 57% 61 Counter 3213 54 54 60 43% 3263 50% 62 Invictus 3212 38 38 128 45% 3246 44% 63 Pirarucu 3211 40 40 120 37% 3307 37% 64 Nirvana 3210 36 36 134 41% 3269 47% 65 Gull_20170410_CCRL 3178 34 34 163 37% 3276 44% 66 Asymptote 3167 54 54 60 41% 3231 42% 67 Stockfish_15_100k 3157 76 76 28 45% 3191 54% 68 SimpleEval 3065 49 49 112 20% 3318 21% 69 Bagatur 3044 39 39 141 28% 3212 35% 70 Cheese 3031 42 42 120 27% 3209 32% 71 Crafty_25.2_CCRL 3022 57 57 70 25% 3221 24% 72 tomitankChess 2995 43 43 126 22% 3220 26% 73 Glaurung_2.2_CCRL 2975 65 65 72 20% 3251 21% 74 Francesca 2962 85 85 39 17% 3246 23% Note that all CCRL engines use 4 threads and 1GiB hash. Other engines usually use 104 threads and 64GiB hash. Parameters advantage and drawelo are calcualted automatically from the same games before rating calculation. bayeselo input: readpgn players/TCEC_Season_21.pgn readpgn players/TCEC_Season_22.pgn elo advantage 83.9161 drawelo 248.002 mm offset 3538 Stockfish_13_CCRL ratings