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#91
Using backgammon software / Re: Gnubg-Incomprehensible mov...
Last post by maria - December 30, 2017, 10:59:45 AM
Quote from: Alkatron on December 28, 2017, 05:05:48 PM
Hello,
I'm learning this game, while playing I stumble across a move that I do not understand
I'm kooliah(black)
Red rolls the dice 4:2


I thought he needs double 1 to bear all 4 checkers off or at least 1 with one dice to bear one off....
instead...


He bears 2 checkers off.... WHY?

thanks

A great site for learning the game is Backgammon Galore.
www.bkgm.com
The attached screenshot will show what they have for the rules of bearing off.
Hope this is of some help.

#92
Using backgammon software / Re: Gnubg-Incomprehensible mov...
Last post by maria - December 29, 2017, 12:45:02 PM
Quote from: Alkatron on December 28, 2017, 05:05:48 PM
Hello,
I'm learning this game, while playing I stumble across a move that I do not understand
I'm kooliah(black)
Red rolls the dice 4:2


I thought he needs double 1 to bear all 4 checkers off or at least 1 with one dice to bear one off....
instead...


He bears 2 checkers off.... WHY?

thanks

I'm not sure why you are confused?  He rolled a 4 - 2,  he can only remove 2 checkers.  If he had rolled doubles, he could remove all 4.
#93
Using backgammon software / Gnubg-Incomprehensible move (f...
Last post by Alkatron - December 28, 2017, 05:05:48 PM
Hello,
I'm learning this game, while playing I stumble across a move that I do not understand
I'm kooliah(black)
Red rolls the dice 4:2


I thought he needs double 1 to bear all 4 checkers off or at least 1 with one dice to bear one off....
instead...


He bears 2 checkers off.... WHY?

thanks
#94
JavaFibs / Recovering FIBS passwords from...
Last post by inim - December 19, 2017, 02:56:30 AM
From time to time there is a request to recover a forgotten FIBS password from a JavaFIBS 2001 preferences file. Due to some obfuscation (not really encryption) you can not easily recover it. So I decided to document the algorithm in the form of a small Python code snippet. In the hope that this is useful - no warranty, no copyright. Written 2017 by Ingo Macherius and hereby released to the public domain. You find the preferences file needed in the JavaFibs2001 installation directory subfolder "user/yourfibsnick/preferences".

#!/usr/bin/env python

from sys import argv
import struct

if len(argv) != 2:
    print("Usage: " + argv[0] + " file")
    print("'file' is the name of a JavaFibs 2001 preferences file.")
    print("The decrypted password from the file is printed to stdout.")
    exit

filename = argv[1];
print ("Attempting to open Javafibs 2001 preferences file " + filename + " as binary file.")
prefs = open(filename, "rb");

# read in magic file marker (ignored, must be 1.011) and length of password
magic, passwordlength = struct.unpack('>fi', prefs.read(2*4))
print ("File open succeeded.")

# read and decrypt password char by char and build string
password = ""
for i in range (0, passwordlength):
    encrypted = prefs.read(4);
    decrypted = chr(int(struct.unpack('>f', encrypted)[0]))
    password += decrypted

print ("Your FIBS password recovered from it is: '" + password + "'")
#95
Improving your backgammon skills / Backgammon Studio 4.4
Last post by PillowFighter - December 15, 2017, 01:03:17 PM
Hi!

Backgammon Studio keeps improving and I have updated the version number to 4.3 with these fine improvements:

Backgammon Studio 4.4

Improvements since 4.3:


  • New actiontags:

    • Michy double tiger or or not
    • Blot advance or not (European split)
    • Major split or not
    • Minor split or not
  • New training tracks:

    • Double Tiger! Michy's Double Tiger! Hit two blots in your homeboard leaving two blots or is that too wild?
    • Lucky! You have no anchor and more than 1 man back. Opponent has a 3 point board against your 1 point board. Are you feeling lucky?
    • European splits! Should you move your last blot forward possibly making it easier for it to escape?
    • Danger doubles! You're on the bar with a directshot but behind in the race. Can you scare your opponent into dropping?
  • Other improvements:

    • Login screen has gotten a facelift with a fading slideshow.
    • Less ads! There is now less ads but the ad dialog can only be closed after 5 seconds. Doh! :-)
    • It is possible to specify that the cube should be centered when searching for positions. Suggested by negheonegu.
    • The online match lobby has been cleaned up.
    • Chat in online matches has been cleaned up (when you don't see it below the board).
    • In the incomplete match list you can now see flag of opponent and last login to help you find a good time to poke your oponent next.
    • Play through a match as both players. Suggested by Thomas Kristensen.
    • Support for longer matches. Up to 25. Suggested by BoardLord.
    • Challenge dialog now has additional help info.
    • Static board numbers. Suggested by EKaratas.
    • Non responding opponent to a resume request is set busy after 1 minute. Allows you to challenge other players.
    • Country requirement for tournaments uses connection country as fallback if no profile has been created.
    • Observers list is now dynamically updated.
    • It is now possible to set a custom clock setting (nice for double consultation matches). Suggested by Anita.
    • It is now possible to enter an event override when importing matches.
    • First move hint if you don't do anything when playing online match.
  • Bugfixes:

    • Problem with chat on android tablet. Reported by Leeuk66s.
    • Problem with chat button overlapping clock. Reported by Gambitcello, area51 and possibly others.
    • Problem with timed training tracks and selecting random track. Reported by tnt-foxtrot.
Some images



Go for the kill putting two checkers on the bar or just play it quiet?



Search for Michy's Double Tiger positions in the search section.



New login page now with no ads! A fading slideshow of interesting sections found inside is shown.

In other news



Over 20000 matches played! Sweet! Haven't tried it yet? You're missing out! :-)



The match lobby has been cleaned up with a row of buttons to display different subsections and the chat can be raised/lowered with the small arrow key at the bottom right hand side. On mobile you can swipe left/right between sections. Nice turnout in the evenings european time!



I have located and received a fair amount of matches recently which is awesome! Thanks a lot to everyone who have contributed! I also got a tip from Florin Popa about lots of matches from Italy which I have added. That also uncovered an impressive PR performance by Fernando Braconi:



Claiming the second spot for 2017 only passed by the unbeatable Mochy! Now that is a performance worthy of a Backgammon Giant! :-)

Also an incredibly strong performance by Thomas Tenland! He was in the top 10 last year too! Two other players who weren't in the top of the 2016 list: Karen Sarkisyan and Sebastian Wilkinson! Amazing! Congratulations!

Should you share your tournament matches with Backgammon Studio? Don't take my word for it!

Florin Popa: "My hard disk got broken so I lost many of my live matches but because I sent them to you I can find them again".

Backgammon Studio The Swiss Army knife of backgammon!

Haven't tried Backgammon Studio yet? You should! :-)

Best regards,
TP

#96
Other Fibsclients / Re: getting past moves for a n...
Last post by csells - December 13, 2017, 12:48:54 AM
thanks, diane. I'm relatively new to the fibs community. I'm building a web front end and was interested in letting people jump into any game and see the whole history, not just the moves that they're around for (although, as you say, it's a low priority feature). I did some digging and wasn't able to find any bot source code as a way to get started. Any pointers would be appreciated.
#97
Other Fibsclients / Re: getting past moves for a n...
Last post by diane - December 13, 2017, 12:23:11 AM
the answer is no, you cant rewind a match you just started watching. The moves are stored on your interface, so you only have what you were there to see.

The bot you describe is certainly possible, but a lot of work, for potentially little use.

You are more than welcome to code it, and then talk to Patti about running it. The rules seem to be that it can be there, as long as it identifies itself as a bot, and serves a useful purpose or need in the community.
#98
Other Fibsclients / getting past moves for a new g...
Last post by csells - December 05, 2017, 06:38:11 PM
If I "watch" a user playing a game, is there a way to see the moves that have already happened in the game and/or in the previous games in the match? I know you can do this using "oldmoves" for saved games you are playing yourself; I'm looking to be able to "rewind" a game/match I'm watching.

If such a thing doesn't exist, would it be possible to build a bot that watches all of the games and keeps track of this kind of data?
#99
Improving your backgammon skills / Norway in the lead!
Last post by PillowFighter - November 27, 2017, 01:28:02 PM
Hi!

Norway just took the lead in the number of World Class level players on Backgammon Studio!



With 5 having achieved this level! Denmark tied with US in second place with 4 followed by UK with 3 and Japan with 2! Awesome! hehe

This guy Brockmann might speak danish but without creating your own profile the login country will be used as flag...

This is also a view of the new lobby. Have I mentioned it here? I had to clean up the old one as it was turning into a bit of a Frankenstein monster...

I have created a video to demonstrate the new lobby:

https://www.youtube.com/watch?v=8acQ8Mke-Ws

but it is fairly straight forward. I also created a new video on the online match chat as it turns out the old one was more confusing than I thought.

https://www.youtube.com/watch?v=4kML4MY4sZ8

Backgammon Studio The Swiss Army knife of backgammon!

Best regards,
TP


#100
Backgammon problems / Re: Recover log in
Last post by John - November 17, 2017, 09:12:12 AM
Thanks for your help