Computer Dice

Forum Archive : Computer Dice

Does Motif cheat?

From:   Robert D. Johnson
Date:   12 October 1996
Subject:   Re: motif

> I once read this newsgroup in search of an on-line backgammon game to
> play and read someone's posting about a rigged game that always seemed
> to roll the right roll, defying all odds, the game being the "motif"
> listing.  And of course assuming that the posting person was not as
> good as I, I accepted the challenge and went there to play.  He was
> right.  It is rigged BIG TIME.  Am through with it.

No.  I truly doubt that Tom Keith, the programmer of
has any motivation to have Motif cheat.  I have not
ever noticed anything out of the ordinary.  The disasterous
and opportunistic rolls seem to occur at random for both
players.  It just plays some parts of the game very well,
arranging its checkers to take best advantage of future rolls.

To win big (maximize winnings per game) against Motif, my strategy
is to get into a strong backgame and carefully let the cube go back
and forth.  If you can win 2/3 of the games that way, with the cube
at 32, then that would be an average of +10 points per game.  I don't
do quite that well, so I have merely +3 per game.  But, that has put
me at #1 in the Motif ratings!  I am confident people will surpass
that, perhaps exceeding +10 per game (average).  Just remember to
be careful on your final redouble.

Warning.  I hinted to Tom about Motif's weaknesses.  Not sure when
or if he will plug them.

Robert D. Johnson (rjohnson)
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Computer Dice

Dice on backgammon servers  (Hank Youngerman, July 2001) 
Does Agushak Backgammon cheat?  (Mr Nabutovsky, June 2000) 
Does BG by George cheat?  (George Sutty, Nov 1995) 
Does Backgammon NJ cheat?  (Greg+, June 2010) 
Does Cybergammon cheat?  (Goto Informatique, Aug 1996) 
Does David's Backgammon cheat?  (Joseph B. Calderone, June 1998) 
Does GNU Backgammon cheat?  (Robert-Jan Veldhuizen, Nov 2002) 
Does Gammontool cheat?  (Jim Hurley, Sept 1991) 
Does Hyper-Gammon cheat?  (ZZyzx, June 1996) 
Does Jellyfish cheat?  (Fredrik Dahl, June 1997) 
Does MVP Backgammon cheat?  (Mark Betz, Oct 1996) 
Does MonteCarlo cheat?  (Matt Reklaitis, June 1998) 
Does Motif cheat?  (Rick Kiesau+, Mar 2004)  [Long message]
Does Motif cheat?  (Billie Patterson, Feb 2003) 
Does Motif cheat?  (Robert D. Johnson, Oct 1996) 
Does Snowie cheat?  (André Nicoulin, Sept 1998) 
Does TD-Gammon cheat?  (Gerry Tesauro, Feb 1997) 
Error rates with computer dice  (NoChinDeluxe+, Feb 2011) 
FIBS: Analysis of 10 million rolls  (Stephen Turner, Apr 1997)  [Recommended reading]
FIBS: Are the dice biased?  (Kit Woolsey, Oct 1996) 
FIBS: Entering from the bar  (Tom Keith+, Apr 1997) 
GamesGrid: Too many jokers?  (Gregg Cattanach, Sept 2001) 
GridGammon: Are the dice random?  (leobueno+, Sept 2011) 
Jellyfish: How to check the dice  (John Goodwin, May 1998)  [Recommended reading]
Jellyfish: Proof it doesn't cheat  (Gary Wong, July 1998) 
MSN Zone: Security flaw  (happyjuggler0, June 2004) 
Official complaint form  (Gary Wong, June 1998)  [Recommended reading]
Randomness testing  (Brett Meyer+, Dec 2010) 
Safe Harbor Games dice  (Michael Petch+, Aug 2011) 
Synopsis of "cheating" postings  (Ray Karmo, Feb 2002) 
Testing for bias  (Kit Woolsey, Jan 1995) 
The dice sure seem unfair!  (Michael Sullivan, Apr 2004) 
Too many repeated rolls?  (Stephen Turner, Mar 1994) 
Winning and losing streaks  (Daniel Murphy, Mar 1998) 

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