Re: [Bug-gnubg] Race position theoretical question?

2019-01-30 Thread Øystein Schønning-Johansen
Yes! This position actually proves that there are positions that can both loose backgammon and still be won. X can get all his checkers off in 15 rolls (with only 6-6 rolls), while O also may use 15 rolls to get off all checkers. Based on this example, I actually guess there are several positions

Re: [Bug-gnubg] Race position theoretical question?

2019-01-29 Thread Philippe Michel
On Tue, Jan 29, 2019 at 08:00:22PM +0100, Øystein Schønning-Johansen wrote: > Hi all! > > Here is a theoretical question for all of you: > > Can a race (aka. non-contact) position, be possible to lose backgammon with > a good dash of unluck, and still be possible to win (with a good dash of >

Re: [Bug-gnubg] Race position theoretical question?

2019-01-29 Thread Joseph Heled
Don't know if it will work, but have you tried 8 W pieces on point 2, one black piece on 3 and the rest black pieces at B home. W can win with two doubles (2 to 6), or lose with a sequence of (2-1, 3-1,...) throws while B gets a sequence of 6-6. The odds will be low but might be > 0. -Joseph On