Rank Name Elo + - games score oppo. draws 1 Stockfish 3568 25 25 200 61% 3496 68% 2 StockfishClassical 3550 19 19 340 57% 3506 73% 3 StockfishPreNNUE 3541 46 46 56 52% 3530 93% 4 LCZero 3541 16 16 498 53% 3523 76% 5 AllieStein 3529 22 22 250 55% 3499 82% 6 Komodo_14_CCRL 3525 121 121 9 50% 3527 56% 7 BookFish 3511 47 47 54 47% 3527 87% 8 Stoofvlees 3500 24 24 220 49% 3504 82% 9 Komodo 3500 29 29 154 51% 3492 75% 10 LCZeroCPU 3491 31 31 124 45% 3521 82% 11 Stockfish_11_CCRL 3486 27 27 167 60% 3423 62% 12 LCZero10pct 3479 52 52 46 51% 3470 85% 13 Ethereal 3467 29 29 146 46% 3492 77% 14 ScorpioNN 3462 28 28 154 48% 3476 77% 15 Fire 3461 25 25 190 48% 3473 77% 16 Igel 3453 53 53 44 65% 3361 57% 17 Xiphos 3432 36 36 90 52% 3420 82% 18 rofChade 3426 30 30 132 47% 3448 75% 19 SlowChess 3418 38 38 94 72% 3265 46% 20 RubiChess 3383 39 39 82 50% 3386 63% 21 Defenchess 3383 45 45 58 44% 3420 67% 22 Fritz 3380 48 48 52 44% 3415 65% 23 Booot 3378 54 54 43 56% 3340 60% 24 LCZeroCPU10pct 3356 51 51 45 51% 3349 71% 25 Winter 3332 49 49 53 44% 3369 47% 26 Pedone 3332 40 40 78 47% 3355 55% 27 IgelClassic 3331 45 45 63 60% 3261 63% 28 Arasan 3324 44 44 60 35% 3418 63% 29 Vajolet2 3299 52 52 47 41% 3352 53% 30 Minic 3296 48 48 59 58% 3228 53% 31 Demolito 3274 43 43 70 46% 3301 51% 32 ChessBrainVB 3269 70 70 25 40% 3327 72% 33 Roc 3268 54 54 44 60% 3199 52% 34 LCZeroCPU3pct 3267 43 43 70 63% 3178 54% 35 Wasp 3267 54 54 45 38% 3346 49% 36 Chiron 3264 54 54 45 38% 3343 53% 37 Marvin 3249 49 49 52 48% 3258 65% 38 Nemorino 3248 50 50 53 31% 3370 51% 39 Komodo_10_CCRL 3245 88 88 14 29% 3373 57% 40 Monolith 3236 54 54 46 64% 3143 41% 41 Gogobello 3233 46 46 63 44% 3267 60% 42 chess22k 3225 52 52 48 59% 3164 56% 43 Pirarucu 3223 52 52 47 48% 3233 57% 44 Topple 3218 53 53 47 45% 3251 55% 45 Combusken 3207 51 51 50 58% 3155 52% 46 Counter 3190 45 45 65 45% 3218 57% 47 ChessFighter 3189 50 50 50 59% 3133 58% 48 iCE 3184 54 54 43 40% 3254 56% 49 FabChess 3179 53 53 46 54% 3148 48% 50 Asymptote 3158 43 43 69 45% 3192 49% 51 Gull_20170410_CCRL 3154 87 87 17 18% 3356 35% 52 Weiss 3136 65 65 33 39% 3207 42% 53 Tucano 3063 46 46 60 38% 3139 38% 54 Bagatur 3048 48 48 56 34% 3153 29% 55 Crafty_25.2_CCRL 3023 56 56 48 26% 3192 19% 56 A0lite 3005 71 71 28 29% 3149 29% 57 Weiss1CPU 2937 88 88 22 16% 3185 14% 58 Glaurung_2.2_CCRL 2907 63 63 52 13% 3191 17% Note that all CCRL engines use 4 threads and 1GiB hash. Other engines usually use 176 threads and 64GiB hash. bayeselo input: readpgn players/TCEC_Season_18.pgn readpgn players/TCEC_Season_19.pgn elo advantage 38.961 drawelo 300.45 mm offset 3486 Stockfish_11_CCRL ratings