40 Free Single-CPU engines in CCRL Blitz

[Kirill Kryukov]

Hello all! A little update on Free Single-CPU "diagonal" project in CCRL blitz conditions. Previous report can be found here.

Code: Select all

 Rank                 Engine                  ELO   +    -   Score  AvOp  Games
    1 Rybka 1.0 Beta 64-bit                  2946  +18  -18  75.8% -190.4  1216
    2 Fruit 2.3 5-men-egbb                   2874  +21  -21  67.1% -121.6   800
    3 Spike 1.2 Turin                        2827   +7   -7  46.2%  +26.0  7932
    4 Naum 2.0 32-bit                        2797   +9   -9  48.6%   +4.1  5566
    5 Alaric 707                             2772  +16  -16  52.4%  -18.5  1467
    6 Glaurung 1.2.1 32-bit                  2758   +9   -9  41.7%  +59.4  5621
    7 Scorpio 1.91 (5-men-egbb)              2733  +17  -17  50.3%   -3.5  1262
    8 Pro Deo 1.2                            2723  +12  -12  43.3%  +50.5  2563
    9 Delfi 5.1                              2716  +12  -12  50.8%   -5.7  2571
   10 Zappa 1.1 64-bit                       2713  +16  -16  46.9%  +21.9  1312
11-12 Frenzee 3.0 64-bit                     2712  +16  -16  49.4%   +3.8  1412
11-12 Slow Chess Blitz WV2.1                 2712   +9   -9  41.7%  +61.2  4954
   13 Pharaon 3.5.1                          2699  +12  -12  38.6%  +84.7  2888
   14 List 5.12                              2697  +12  -12  49.4%   +4.8  2760
   15 WildCat 7                              2695  +11  -11  47.1%  +22.2  2976
   16 Colossus 2007c                         2683  +17  -17  46.5%  +24.5  1248
   17 SOS 5.1                                2682  +13  -13  46.6%  +23.6  2345
   18 Pseudo 0.7c                            2677  +11  -11  50.6%   -8.1  2869
   19 Ruffian 1.0.5                          2676  +13  -13  49.5%   +3.0  2178
   20 Aristarch 4.50                         2669  +12  -12  45.8%  +32.0  2599
   21 Booot 4.13.1                           2668  +16  -15  49.5%   +2.8  1433
   22 Petir 4.39                             2665  +13  -14  45.0%  +37.3  1913
   23 The Baron 1.8.1                        2652  +17  -17  47.7%  +17.3  1218
24-25 Fritz 5.32                             2648  +16  -16  52.7%  -21.1  1368
24-25 Jonny 2.83 32-bit                      2648  +14  -14  44.6%  +40.8  1789
26-27 Crafty 21.5 PS 64-bit                  2645  +16  -16  44.2%  +42.8  1456
26-27 Smarthink 0.17a                        2645  +17  -17  48.2%  +12.5  1181
   28 Anaconda 2.0.1                         2639  +15  -15  49.7%   +3.0  1619
   29 Movei 0.08.403                         2635  +16  -16  52.2%  -16.5  1369
   30 Thinker 4.7a                           2632  +13  -13  48.3%   +7.5  2120
   31 Ktulu 4.2                              2629  +19  -19  48.2%  +11.6   957
   32 AnMon 5.60                             2617  +15  -15  46.7%  +23.8  1552
   33 Little Goliath Evolution 3.12          2615  +14  -14  53.1%  -25.9  1818
34-35 Trace 1.37a                            2613  +17  -17  44.2%  +43.7  1300
34-35 Ufim 8.02                              2613  +13  -13  49.9%   -2.5  2260
   36 Yace 0.99.87                           2612  +20  -20  46.5%  +22.4   832
   37 E.T. Chess 18.11.05                    2604  +14  -14  53.9%  -35.1  1988
   38 Amyan 1.597                            2565  +16  -16  46.8%  +20.6  1553
   39 Tao 5.6                                2563  +28  -29  42.9%  +48.3   413
   40 Green Light Chess 3.00                 2562  +25  -26  41.7%  +55.9   511

Rating list and tables.

(This is my selection of well-tested free single-CPU engines. If you like, you can alter this selection, or even make completely different one using our web-site.)

Changes since the last report:

1. Green Light Chess 3.00 joined at the bottom. Only one point difference with Tao 5.6! Those aged programs can still be tough opponents for much newer engines.

2. I decided to extend the diagonal to 16 pairs up and down. This means that every engine participating in my comparison must play a match with 16 nearest engines higher than itself in the list, and with 16 nearest engines lower in the list.

3. Rating history graphs were added for all engines, which you can see on engine details pages (by clicking on engine name in any rating list on our site). For example: Details page for Slow Chess Blitz WV2.1 (scroll down to see the graphs).

Engines I am going to test next:

• Hamsters 0.4
• Movei 00.8.438
• Abrok
• Pepito
• Nejmet
• Spiderchess
• Arasan 64-bit
• Comet
• King of Kings
• Dragon

Which means I will probably test the first multi-hamster engine next.

If you know any other engine with good chances to enter Free Single-CPU top 50, please suggest!

As usual, thanks to all testers who contributed to this comparison!

Best,
Kirill

[nczempin]

Hello all! A little update on Free Single-CPU "diagonal" project in CCRL blitz conditions. Previous report can be found here.

Code: Select all

 Rank                 Engine                  ELO   +    -   Score  AvOp  Games
                              2563  +28  -29  42.9%  +48.3   413
   40 Green Light Chess 3.00                 2562  +25  -26  41.7%  +55.9   511

Boy, I do have a long way to go...

thanks for reminding me

[Kirill Kryukov]

Hamsters homepage seems down so I can't download the engine! Does anyone know alternative download location? Or will the homepage be fixed soon?

This is the one I tried: http://www.ascotti.org/programming/chess/hamsters.htm

[Tony Thomas]

A new version of Arasan is out, it might be able to get to the top 40 without the help of 64bit.

[Edsel Apostol]

If you know any other engine with good chances to enter Free Single-CPU top 50, please suggest!

Hi Kirill,

I suggest Twisted Logic 0.099x or Twisted Logic 20070915.

Thanks!

Edsel Apostol

[Kirill Kryukov]

If you know any other engine with good chances to enter Free Single-CPU top 50, please suggest!

Hi Kirill,

I suggest Twisted Logic 0.099x or Twisted Logic 20070915.

Thanks!

Edsel Apostol

Thanks Edsel. If you had to choose one of them for me to test, which one it would be?

(Large number of versions is the only reason I did not test any Twisted Logic so far).

[Edsel Apostol]

Hi Kirill,

Since I already stopped developing the old version Twisted Logic 0.099x, I want Twisted Logic 20070915 to be included.

Edsel Apostol

[swami]

If you know any other engine with good chances to enter Free Single-CPU top 50, please suggest!

BugChess has a good chance of getting into top 35 I guess.

Bright,Chrion,Danasah,Romichess,Nimzo and Deep Patzer are other engines I'd suggest if you plan to test more.

[Alessandro Scotti]

Hi Kirill,
you can download Hamsters 0.5 from here:

http://www.talkchess.com/forum/viewtopic.php?t=16535

All the other versions except for 0.0.6 have disappeared from the site, I don't know what happened, my guess is server crashed and was restored from a backup that is more than 6 months old!

If you need Hamsters 0.4 specifically I can mail it to you of course.

[Kirill Kryukov]

Hi Kirill,

Since I already stopped developing the old version Twisted Logic 0.099x, I want Twisted Logic 20070915 to be included.

Edsel Apostol

I took a note, thanks!