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Subject: Re: Getting GMs to play their best against computers

Author: Uri Blass

Date: 21:52:23 03/29/02

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On March 29, 2002 at 19:21:00, José Carlos wrote:

>On March 29, 2002 at 12:41:09, Uri Blass wrote:
>
>>On March 29, 2002 at 12:13:41, Roy Eassa wrote:
>>
>>>
>>>A theory on this topic:
>>>
>>>The GM should get a small fixed stipend just for playing, plus $0 for each loss,
>>>$x for each draw as White (where x is very small and perhaps 0), $y for each
>>>draw as Black (where y is still pretty small, but larger than x), and $z for
>>>each win (where z is much greater than y).  Finally, a BIG bonus for winning the
>>>match overall seems to make sense.
>>>
>>>That would seem to be real incentive to play his (or her) best every game.
>>>
>>>(Feel free to substitute pounds, Euros, whatever!)
>>>
>>>
>>>Another (better?) approach is to reward only the final score.  Besides a small
>>>fee for showing up and playing, a GM score of 25% or less is no money, 100% is
>>>BIG money, and the payments are distributed logically between these two extremes
>>>(but the payoff for doing well should increase faster than linearly, IMHO).
>>
>>If the target is to encourage the GM to do the best then I think that payoff
>>that increase linearly is a good idea.
>>
>>If the payoff increase faster than linearly then the GM may take unnecessary
>>risks.
>>
>>The GM may prefer a strategy that give her(him) 30% chances to win and 40%
>>chances to lose in the game and not 10% chances to win and 10% chances to lose
>>that is more logical.
>>
>>Uri
>
>  I disagree, because the same that you (correctly) apply to winning, applies
>also to losing. I'll explain: let's suppose that the money increases
>superlinearly with points. Then, for:
>
>0, 0.5, 1, 1.5, 2
>
>points the money is:
>
>0, 50, 150, 300, 500.
>
>  Now, the GM has 1 point. With a loss he gets 150, 300 for draw and 500 for
>win. He sees he can easily draw. Your point is that he'll take innecessary risk
>to get the 500 but he can also think "if I win the game I get 200 more but if I
>lose I get 150 less". So he'll probably pick the draw if he thinks going for the
>win is too risky.

You may be right in that case because people hate risks and it is not clear if
for them 150$ and 500$ with 50% probability is better than safe 300$.

I still think that their gain(not in money) should be proportional to their
result in order to convince them to do their best.

Uri



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