Rank Name Elo + - games score oppo. draws 1 Houdini 2.0c Pro x64 6c 3423 19 18 1008 70% 3261 42% 2 Houdini 2.0c Pro x64 12t 3421 16 16 1399 70% 3281 38% 3 Houdini 2.0b Pro x64 6c 3418 17 17 1049 68% 3305 46% 4 Critter 1.4 x64 6c 3366 20 20 683 53% 3346 57% 5 Houdini 2.0 Pro x64 4c 3363 16 16 1131 61% 3294 49% 6 Deep Rybka 4.1 x64 6c 3358 15 15 1363 59% 3305 54% 7 Houdini 2.0b Pro x64 4c 3347 17 17 1030 51% 3344 47% 8 Houdini 1.5a x64 4c 3346 17 17 1086 62% 3274 48% 9 Stockfish 2.2.2 JA x64 6c 3342 20 20 675 51% 3337 56% 10 Ivanhoe 46hm x64 6c 3337 21 21 610 52% 3328 65% 11 Robopolito 0.10 x64 6c 3326 23 23 541 58% 3274 62% 12 Fire 2.2 xTreme x64 6c 3311 23 22 530 52% 3297 63% 13 Fire 2.2b xTreme GH x64 6c 3310 21 21 608 53% 3293 63% 14 Vitruvius 1.0C HEM x64 6c 3298 23 23 562 56% 3260 54% 15 Deep Rybka 4.1 x64 4c 3293 13 14 1602 47% 3314 56% 16 Critter 1.2 x64 4c 3293 16 16 1162 48% 3305 56% 17 IvanHoe 47c GH x64 4c 3282 16 16 1109 49% 3289 60% 18 Fire 2.2 xTreme x64 4c 3275 16 16 1165 41% 3328 59% 19 IvanHoe 0B.09.18 x64 4c 3271 17 17 1008 46% 3295 57% 20 DeepSaros 2.3i x64 4c 3269 16 16 1041 47% 3288 59% 21 IvanHoe B47d x64 4c 3268 16 17 1067 42% 3321 55% 22 Naum 4.2 x64 6c 3266 22 22 631 50% 3261 46% 23 Houdini 2.0c Pro x64 1c 3263 13 13 2088 61% 3186 42% 24 IvanHoe B47f02 x64 4c 3260 17 17 1004 48% 3275 59% 25 Stockfish 2.1.1 JA x64 4c 3256 17 17 1012 46% 3276 55% 26 Houdini 2.0 Pro x64 1c 3254 14 14 1575 54% 3229 48% 27 H2.0c x64 1c Ponder OFF 3244 17 17 1082 57% 3193 45% 28 Strelka 5.1 x64 1c 3244 14 14 1462 56% 3209 51% 29 Komodo 4.0 x64 1c 3203 19 19 1138 65% 3043 30% 30 Rybka 4.1 x64 1c 3199 13 13 1745 48% 3213 49% 31 Chiron 1.1a x64 6c 3198 21 21 765 59% 3105 39% 32 Ivanhoe B46fa x64 1c 3193 14 14 1495 50% 3195 57% 33 Komodo 3.0 x64 1c 3191 12 12 2526 50% 3168 40% 34 Deep Shredder 12 x64 6c 3190 24 24 538 48% 3202 43% 35 Deep Fritz 12 w32 6c 3188 23 23 543 46% 3213 48% 36 Ivanhoe B50kBf x64 1c 3186 15 15 1282 46% 3211 56% 37 Deep Junior 13 x64 6c 3181 22 22 591 50% 3181 46% 38 Stockfish VE06 x64 1c 3181 16 16 1125 48% 3193 60% 39 Deep Junior 12.5.0.3 x64 6c 3179 23 23 544 51% 3174 50% 40 Hiarcs 13.2 w32 6c 3178 23 23 580 46% 3210 42% 41 Ivanhoe B46a x64 1c 3177 16 16 1034 44% 3214 58% 42 Naum 4.2 x64 4c 3176 17 18 1008 35% 3270 45% 43 Protector 1.4.0 x64 JA 6c 3175 23 23 557 47% 3191 43% 44 Stockfish 111026 x64 1c 3173 14 15 1353 46% 3199 56% 45 Spike 1.4 Leiden w32 6c 3170 23 23 583 40% 3230 45% 46 Stockfish VE05 x64 1c 3166 16 16 1173 40% 3233 48% 47 Stockfish 111030 x64 1c 3165 15 15 1198 44% 3200 58% 48 Spark 1.0 x64 6c 3157 22 22 621 42% 3211 47% 49 Zappa Mexico II x64 6c 3144 21 22 680 42% 3201 44% 50 Fruit 090705 x64 6c 3104 23 23 644 33% 3228 34% 51 Sjeng c’t 2010 w32 1c 2996 20 20 940 64% 2898 34% 52 Gull 1.2 x64 1c 2991 21 21 892 60% 2917 28% 53 Rybka 4.1 WP x64 1c 2966 27 27 527 60% 2888 27% 54 Hannibal 1.1 x64 1c 2940 23 23 599 54% 2912 41% 55 Thinker 5.4Di x64 1c 2939 22 21 853 70% 2794 28% 56 Quazar 0.4 x64 1c 2922 26 25 584 67% 2792 29% 57 Equinox 1.10 x64 1c 2901 19 19 1013 55% 2871 34% 58 Booot 5.1.0 w32 1c 2895 21 21 728 58% 2840 36% 59 Onno 1.2.70 x64 1c 2892 23 23 673 59% 2831 36% 60 Nemo 1.01b x64 1c 2887 23 22 691 57% 2831 32% 61 Sjeng WC2008 x64 1c 2878 23 23 588 52% 2863 38% 62 Umko 1.2 x64 1c 2852 24 24 601 60% 2779 33% 63 Tornado 4.88 x64 1c 2851 23 23 653 56% 2807 32% 64 Loop 2007 x64 1c 2841 23 23 651 56% 2796 35% 65 Crafty 23.4 JA x64 1c 2834 24 23 626 60% 2764 30% 66 Jonny 4.00 w32 1c 2819 25 25 552 51% 2818 33% 67 BugChess2 1.9 x64 1c 2815 24 24 600 54% 2790 32% 68 Ktulu 9 w32 1c 2810 24 24 593 50% 2806 33% 69 Frenzee 3.5.19 w32 1c 2809 25 25 563 52% 2794 28% 70 Scorpio 2.7 x64 JA 1c 2805 24 24 602 55% 2771 30% 71 Bison 10.1 DC x64 1c 2790 19 19 1005 46% 2814 29% 72 SmarThink 1.20 x64 1c 2787 23 23 648 50% 2790 30% 73 Chess Tiger 2007.1 w32 1c 2750 18 19 1135 39% 2867 31% 74 Chronos 1.9.9 x64 1c 2749 23 23 615 47% 2771 36% 75 BobCat 2.75 x64 1c 2732 24 24 637 44% 2779 30% 76 Delfi 5.4 w32 1c 2728 22 22 686 44% 2776 33% 77 Dirty 25082011 x64 1c 2720 24 24 650 42% 2786 26% 78 Deuterium 110229107 1c 2714 22 22 715 40% 2788 33% 79 RedQueen 1.0.0 x64 1c 2713 23 24 652 37% 2804 29% 80 Daydreamer 1.75 JA x64 1c 2712 22 22 681 42% 2774 36% 81 Alaric 707 w32 1c 2709 23 23 665 43% 2768 26% 82 Colossus 2008b w32 1c 2706 25 25 546 45% 2747 33% 83 The King 3.50 x64 1c 2702 23 24 656 37% 2801 29% 84 Gaviota 0.84 x64 1c 2700 24 24 634 43% 2761 28% 85 Cyrano 0.6b17 JA x64 1c 2684 25 25 549 44% 2724 32% 86 Cheng3 1.07 JA x64 1c 2681 27 27 526 37% 2790 24% 87 Zarkov 6.50 w32 1c 2680 25 25 570 42% 2745 32% 88 WildCat 8 w32 1c 2675 25 25 554 43% 2725 32% 89 SlowChess Blitz 2.1 w32 1c 2671 26 26 526 40% 2750 30% 90 ProDeo 1.74 w32 1c 2669 26 26 563 31% 2821 27% 91 Alfil 1.2 w32 1c 2668 24 24 640 38% 2766 24% 92 Pharaon 3.5.1 w32 1c 2667 26 26 539 40% 2745 29% 93 Ruffian 2.1.0 w32 1c 2663 24 24 580 42% 2722 31% 94 Gandalf 6.01 w32 1c 2660 26 26 541 40% 2743 28% 95 Arasan 13.4 x64 1c 2659 27 27 522 42% 2740 25% 96 Hamsters 0.8.2 w32 1c 2656 25 25 520 42% 2715 33% 97 GarboChess 3.00 x64 1c 2650 26 26 542 37% 2751 25% 98 Movei 0.08.438 w32 1c 2640 25 25 537 39% 2719 31% 99 Philou 3.70 x64 1c 2640 25 26 554 38% 2738 29% 100 Sloppy 0.23 JA x64 1c 2603 26 26 525 33% 2724 31%
• Auto232 matches on two PCs / Calculated by Bayeselo 0056 / Blue Name=Last Update• Houdini 2.0c Pro x64 12t = played on i7-980X 4.0GHz / i7-970 4.0GHz (Hyper-Threading ON)• Rybka 4.1 WP x64 1c = Rybka chess engine is played without a full pawn (using 1 core)
• Auto232 matches on two PCs / Calculated by Bayeselo 0056 / Blue Name=Last Update• Houdini 2.0c Pro x64 12t = played on i7-980X 4.0GHz / i7-970 4.0GHz (Hyper-Threading ON)• Rybka 4.1 WP x64 1c = Rybka chess engine is played without a full pawn (using 1 core)