ELO calculation (1)
After 24.888 SWCR-64 games, 28 different engines, 46 versions included
ELO are fixed to 2.800 for Shredder 12 32bit. All other engines are derived from that fixed number.
Calculated with: Bayesian 0056
The separate columns give the (mean) Elo performance, the + and - margins of error given with 95 % confidence,
the number of finished games, the relative score given in percentages, the average opponent ELO and finally the
relative number of draws for each program.
01. IPP Houdini 1.03a x64 2.947 22 21 920 79% 2.717 29%
02. Rybka 4 x64 2.939 18 17 1432 81% 2.692 28%
--. Rybka 3 x64 2.905 22 22 840 78% 2.687 28%
03. Stockfish 1.8.0 JA x64 2.905 20 19 1072 76% 2.704 31%
--. IPP Fire 1.31 x64 2.900 20 20 920 75% 2.719 36%
--. IPP IvanHoe B52aC x64 2.899 44 42 184 74% 2.732 40% NEW
--. Stockfish 1.7.1 JA x64 2.896 19 18 1120 76% 2.706 34%
--. IPP FireBird 1.1 x64 WD 2.867 42 40 184 71% 2.733 51% NEW
04. Critter 0.80 x64 2.836 18 18 1072 68% 2.706 33%
05. Naum 4.2 x64 2.832 15 15 1672 68% 2.702 36%
--. Critter 0.70 x64 2.806 19 19 880 65% 2.701 38%
06. Shredder 12 w32 2.800 15 15 1632 63% 2.700 35%
06. Komodo 1.2 JA x64 2.800 16 15 1432 64% 2.696 39%
--. Komodo 1.0 JA x64 2.791 20 20 840 64% 2.693 40%
--. Shredder 12 x64 2.787 18 18 1080 61% 2.706 35%
08. Hiarcs 13.1 w32 2.740 41 41 184 50% 2.739 39% NEW
08. Spark 0.5 x64 2.740 15 15 1432 56% 2.698 37%
10. Thinker 5.4d Inert x64 2.735 14 14 1672 54% 2.704 39%
11. GullChess 1.0a x64 2.733 40 40 184 49% 2.739 44% NEW
12. Zappa Mexico II x64 2.724 14 14 1672 53% 2.704 40%
--. Spark 0.4 x64 2.717 19 19 840 53% 2.696 40%
13. Protector 1.3.4 JA x64 2.713 14 14 1632 51% 2.705 37%
14. Fruit 09_07_05 x64 2.705 14 14 1672 50% 2.705 34%
--. Critter 0.60 x64 2.700 20 20 840 50% 2.697 38%
15. Sjeng WC-2008 x64 2.688 14 14 1672 48% 2.705 36%
16. Hannibal 1.0a x64 2.686 18 18 1072 47% 2.712 36%
--. Protector 1.3.5 x64 2.684 19 19 840 47% 2.706 39%
17. Junior 11.2 x64 2.679 16 16 1432 48% 2.700 30%
18. Onno 1.2.70 x64 2.677 15 15 1432 47% 2.700 38%
--. Onno 1.1.1 x64 2.671 19 19 840 46% 2.698 40%
--. Junior 11.1a x64 2.648 20 20 840 43% 2.700 32%
19. Loop 2007 x64 2.631 15 15 1472 40% 2.705 36%
--. Loop M1-T x64 2.627 19 19 920 36% 2.731 36%
--. Twisted Logic 20100131x x64 2.611 18 18 1120 35% 2.716 32%
20. Umko 1.0 x64 2.607 18 18 1072 35% 2.715 37% (ponder not possible)
21. SmarThink 1.20 x64 2.602 15 15 1672 36% 2.707 34%
22. Equinox 0.83 x64 2.597 19 19 992 32% 2.731 33%
23. Crafty 23.3 JA x64 2.592 18 18 1072 33% 2.715 34%
--. Cipollino 3.25 x64 2.565 20 20 920 28% 2.734 30%
24. BugChess2 1.7 x64 2.563 21 22 800 29% 2.718 33%
25. Scorpio 2.6 JA x64 2.555 18 18 1120 28% 2.718 32%
--. Crafty 23.2 JA x64 2.554 18 19 1120 28% 2.718 30%
26. Chronos 1.99 x64 2.552 18 18 1120 27% 2.718 33% (ponder not possible)
--. Crafty 23.3 JA x64 NP 2.546 20 21 920 25% 2.735 30% (Test: Without ponder)
27. Daydreamer 1.75 JA x64 2.521 19 19 1120 24% 2.719 30%
28. Tornado 3.6.7 x64 2.479 23 24 800 19% 2.723 24%
1 Houdini 1.03a x64 2947 22 21 920 79% 2717 29%
2 Rybka 4 x64 2938 18 17 1436 80% 2693 29%
3 Rybka 3 x64 2905 23 22 840 78% 2687 28%
4 Stockfish 1.8.0 JA x64 2903 19 19 1077 75% 2704 31%
5 Fire 1.31 x64 2899 20 20 920 75% 2719 36%
6 IvanHoe B52aC x64 2898 43 41 189 73% 2736 41%
7 Stockfish 1.7.1 JA x64 2895 19 18 1120 76% 2706 34%
8 FireBird 1.1 x64 WD 2886 34 33 295 74% 2732 47%
9 Critter 0.80 x64 2836 18 18 1077 67% 2707 33%
10 Naum 4.2 x64 2831 15 15 1677 68% 2702 36%
11 Critter 0.70 x64 2806 20 19 880 65% 2701 38%
12 Shredder 12 2800 15 15 1636 63% 2700 35%
13 Komodo 1.2 JA x64 2800 15 15 1437 64% 2697 39%
14 Komodo 1.0 JA x64 2790 20 20 840 64% 2692 40%
15 Shredder 12 x64 2787 18 18 1080 61% 2706 35%
16 Hiarcs 13.1 2741 40 40 189 49% 2743 40%
17 Spark 0.5 x64 2740 15 15 1437 56% 2698 37%
18 Thinker 5.4d Inert x64 2735 14 14 1677 54% 2704 39%
19 GullChess 1.0a x64 2731 40 40 189 48% 2743 43%
1 Houdini 1.03a x64 : 2956 21 21 920 79.4 % 2721 29.2 %
2 Rybka 4 x64 : 2943 17 17 1436 80.5 % 2697 28.6 %
3 IvanHoe B52aC x64 : 2915 39 38 189 73.0 % 2742 41.3 %
4 FireBird 1.1 x64 WD : 2915 29 28 295 73.6 % 2737 47.5 %
5 Rybka 3 x64 : 2912 22 22 840 78.3 % 2690 27.5 %
6 Fire 1.31 x64 : 2910 19 19 920 74.6 % 2723 36.1 %
7 Stockfish 1.7.1 JA x64 : 2906 18 17 1120 75.7 % 2709 33.7 %
8 Stockfish 1.8.0 JA x64 : 2904 19 18 1077 75.5 % 2709 30.8 %
9 Critter 0.80 x64 : 2838 18 17 1077 67.4 % 2711 33.1 %
10 Naum 4.2 x64 : 2834 14 14 1677 67.7 % 2706 35.5 %
11 Critter 0.70 x64 : 2809 18 18 880 64.7 % 2704 38.1 %
12 Komodo 1.2 JA x64 : 2802 14 14 1437 64.2 % 2701 39.2 %
13 Shredder 12 : 2800 14 14 1636 63.4 % 2705 34.9 %
14 Komodo 1.0 JA x64 : 2797 19 18 840 64.3 % 2695 39.5 %
15 Shredder 12 x64 : 2789 17 17 1080 61.3 % 2710 35.1 %
16 Hiarcs 13.1 : 2745 39 39 189 49.5 % 2749 39.7 %
17 Spark 0.5 x64 : 2744 14 14 1437 55.9 % 2702 37.3 %
18 Thinker 5.4d Inert x64 : 2738 13 13 1677 54.2 % 2708 39.3 %
19 GullChess 1.0a x64 : 2736 37 37 189 48.1 % 2749 43.4 %
1 Houdini 1.03a x64 2947 22 21 920 79% 2717 29%
2 Rybka 4 x64 2938 18 17 1436 80% 2693 29%
3 Rybka 3 x64 2905 23 22 840 78% 2687 28%
4 Stockfish 1.8.0 JA x64 2903 19 19 1077 75% 2704 31%
5 Fire 1.31 x64 2899 20 20 920 75% 2719 36%
6 IvanHoe B52aC x64 2898 43 41 189 73% 2736 41%
7 Stockfish 1.7.1 JA x64 2895 19 18 1120 76% 2706 34%
8 FireBird 1.1 x64 WD 2886 34 33 295 74% 2732 47%
9 Critter 0.80 x64 2836 18 18 1077 67% 2707 33%
10 Naum 4.2 x64 2831 15 15 1677 68% 2702 36%
11 Critter 0.70 x64 2806 20 19 880 65% 2701 38%
12 Shredder 12 2800 15 15 1636 63% 2700 35%
13 Komodo 1.2 JA x64 2800 15 15 1437 64% 2697 39%
14 Komodo 1.0 JA x64 2790 20 20 840 64% 2692 40%
15 Shredder 12 x64 2787 18 18 1080 61% 2706 35%
16 Hiarcs 13.1 2741 40 40 189 49% 2743 40%
17 Spark 0.5 x64 2740 15 15 1437 56% 2698 37%
18 Thinker 5.4d Inert x64 2735 14 14 1677 54% 2704 39%
19 GullChess 1.0a x64 2731 40 40 189 48% 2743 43%
Program Elo + - Games Score Av.Op. Draws
1 Deep Rybka 4 x64 : 2986 39 38 260 80.0 % 2745 30.8 %
2 Houdini 1.03a x64 4_CPU : 2946 36 36 306 78.9 % 2716 29.1 %
3 Rybka 3 : 2943 23 22 805 81.2 % 2689 28.0 %
2 Houdini 1.03a x64 4_CPU : 2946 306 (+197,= 89,- 20), 78.9 %
Fritz 8 : 8 (+ 8,= 0,- 0), 100.0 %
Deep Shredder 9 : 6 (+ 5,= 1,- 0), 91.7 %
Rybka 1.01 Beta 13d : 6 (+ 3,= 2,- 1), 66.7 %
Rybka 1.2n : 8 (+ 7,= 1,- 0), 93.8 %
Loop 13.5 : 6 (+ 5,= 1,- 0), 91.7 %
Loop M1-P : 8 (+ 5,= 3,- 0), 81.2 %
Rybka 2.3.2a mp : 8 (+ 3,= 4,- 1), 62.5 %
Naum 2.2 : 6 (+ 4,= 1,- 1), 75.0 %
Movei00_8_438 : 8 (+ 8,= 0,- 0), 100.0 %
Zappa Mexico X64 : 6 (+ 4,= 1,- 1), 75.0 %
Toga II 1.4 beta5c : 8 (+ 4,= 3,- 1), 68.8 %
Zappa Mexico II : 12 (+ 7,= 5,- 0), 79.2 %
Naum 3.1 : 8 (+ 3,= 5,- 0), 68.8 %
HIARCS 12.1 MP : 6 (+ 5,= 1,- 0), 91.7 %
HIARCS Paderborn 2007 MP : 8 (+ 6,= 2,- 0), 87.5 %
DeepFrenzee May07 x64 : 8 (+ 7,= 1,- 0), 93.8 %
Colossus 2008b : 6 (+ 6,= 0,- 0), 100.0 %
Deep Sjeng WC2008 x64 : 12 (+ 9,= 3,- 0), 87.5 %
Thinker54Di_x64 : 20 (+ 14,= 5,- 1), 82.5 %
Stockfish 1.3.1 JA : 8 (+ 6,= 2,- 0), 87.5 %
Deep Shredder 12 x64 : 18 (+ 11,= 7,- 0), 80.6 %
bright-0.5c : 6 (+ 5,= 1,- 0), 91.7 %
Deep Fritz 12 : 12 (+ 5,= 6,- 1), 66.7 %
Naum 4.2 : 18 (+ 7,= 8,- 3), 61.1 %
HIARCS 13.1 MP : 12 (+ 6,= 5,- 1), 70.8 %
Deep Junior 11.2 UCI : 12 (+ 11,= 1,- 0), 95.8 %
Komodo64 1.2 JA x64 : 6 (+ 3,= 3,- 0), 75.0 %
Deep Rybka 4 x64 : 12 (+ 5,= 4,- 3), 58.3 %
spark-0.4 x64 : 12 (+ 8,= 4,- 0), 83.3 %
Stockfish 1.8 JA 64bit : 12 (+ 4,= 4,- 4), 50.0 %
Critter 0.80 64-bit : 12 (+ 5,= 5,- 2), 62.5 %
Booot 5.0.0 : 8 (+ 8,= 0,- 0), 100.0 %
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