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 Backgammon

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7. mai 2006, 01:47:58
grenv 
Teema: calculating wins
I have to say I get annoyed at people not moving when they are about to lose, so I think that a frame of backgammon should be over when it is mathematically impossible for one player to win.

It would also stop people from continuing to play out the game instead of resigning, as they should.

Of course if the value of the result is important and unknown (gammon/backgammon/single point) then it obviously needs to continue.

7. mai 2006, 07:49:44
coan.net 
Teema: Re: calculating wins
grenv: They are only hurting themselves by delaying a lose game - since as I understand ratings, if you win a game, then lose a game - you will end up with a worse rating then if you would lose a game first, then win a game.

So if you know you are going to lose, it's beter for your rating to get them over and counted as quickly as possible. (At least this is what I've been told - I haven't done the math myself to back it up)

7. mai 2006, 13:31:16
Czuch 
Teema: Re: calculating wins
BIG BAD WOLF: But if they delay long enough in every game that they are sure to lose, they may end up with a win by getting their opponent to time out first!

8. mai 2006, 01:51:56
grenv 
Teema: Re: calculating wins
BIG BAD WOLF: I actually don't think it matters that much, opponents ratings being more important. Point is you can delay all your losses by months on end and effectively engineer a good rating, albeit temporarily.

8. mai 2006, 01:57:46
alanback 
Teema: Re: calculating wins
grenv: The effect can be quasi-permanent if you make a policy of accelerating wins and delaying losses -- at any point in time, as long as you keep playing the same number of games or a larger number, your finished games will include a disproportionate number of wins and your unfinished games will include a disproportionate number of losses.

8. mai 2006, 02:30:29
Walter Montego 
Teema: Re: calculating wins
alanback: And I imagine there's a few people that are willing to do such a thing to have an inflated rating to match their inflated ego? What's the point? If someone has to bend the rules to achieve something, have they really achieved it? And who are they fooling? What does having a higher rating get one as compared to having a lower rating? Especially in a rating system used here that is flawed for Backgammon? I play to win. I play the same speed, winning or losing. Why hold up one game of a pair against the same opponent? This seems very discourteous to me.

If you're right that losing your game first and winning the other will give you a higher rating, why do these people do the exact opposite? Maybe they don't really care about the rating, but want an inflated win/loss record?

8. mai 2006, 02:33:20
alanback 
Teema: Re: calculating wins
Walter Montego: It's much easier to understand the logic of deferring losses than it is to understand the BKR effect of losses preceding wins or vice versa. Also, the BKR effect is more attenuated if both losses and wins are recognized than if losses are deferred. However, I'm with you all the way on the meaninglessness of it all.

8. mai 2006, 16:06:49
Andre Faria 
Teema: Re: calculating wins
Walter Montego: If you go to the statistics of wins/losses, you´ll see someone whose rating are due to time out of opponents...

He has such an inflated ego that he even put in his enemies those who dare to defeat him in a game... LOL

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