02 December 2016

Bobcat 8.0 Android Chess Engine

Bobcat 8.0

   Bobcat, a strong open source chess engine under the GNU General Public License, written in C++ by Gunnar Harms. The so far only concrete implementation of the abstract protocol class supports UCI. The development started in the second half of 2008.
   Bobcat is a bitboard engine and uses Pradu Kannan's magic bitboards to determine sliding piece attacks, and (conditionally compiled) Matt Taylor's folded forward bitscan.

Download:

armv7-pgo, armv7-nopie, arm64v8 : HERE

Update:

arm64v8 : HERE
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16 comments:

  1. Unknown02 December, 2016 22:03

    Wow, this one is fast arm7- 32mb,4 cores, depth 15 1015 KN's!! Arm8=engine exits, but arm7 working on armv8 android 6 Kernel! Aprijal, thank you very much!

    ReplyDelete
  2. Unknown02 December, 2016 22:05

    I'll be very happy if you fix arm8! ;)

    ReplyDelete
    Replies
    1. Aprijal Pasaribu02 December, 2016 23:03

      This engine uses a lot of windows specific code.
      I already spend many hours to rewrite that's code to android this day. See you tomorrow :)

      Delete
    2. Unknown03 December, 2016 01:42

      Don't think we are not aware of the unexpected efforts required for a flawless port across operating systems. Sometimes it becomes embarassing.

      Delete
    3. Unknown03 December, 2016 01:44

      Similar challenges are hidden in Gull 3 and Deep Saros 2.3. Memorable headaches of Jim Ablett...

      Delete
  3. Anonymous03 December, 2016 00:43

    Same was the case with cfish and most of the armv8x64 engines :(

    ReplyDelete
  4. Unknown03 December, 2016 05:36

    Engine error engine exits on armv8

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  5. Unknown03 December, 2016 06:58

    The same problem - ARMv8 - shut down with message: "Engine terminated." (CfA).

    ReplyDelete
  6. Aprijal Pasaribu03 December, 2016 10:28

    Please test the new build.

    ReplyDelete
  7. Anonymous03 December, 2016 15:13

    Both updates working fine thanks

    ReplyDelete
  8. Unknown04 December, 2016 01:10

    Both "updated" versions is working! Aprijal, thank you, your work is always appreciated! :)

    ReplyDelete
  9. Unknown04 December, 2016 05:36

    New build still not working on huawei p8 Lite :(

    ReplyDelete
  10. Unknown04 December, 2016 05:41

    Nevermind, I just tested the build posted on chesstroid and wow for pefromance around ~2500kn/s on armv8, thanks aprijal

    ReplyDelete
  11. Unknown05 December, 2016 01:52

    3490 knps to depth 24 in 60 sec on MTK6752 octa core.

    ReplyDelete
  12. Paulzzz()08 December, 2016 20:22

    Hi Aprijal,I tried to test all the builds of this engine in my jellybean but they don't work either on Droidfish or CfA.:( Can you please help me regarding this?Thank you.All the other engines you've shared works well.

    ReplyDelete

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