Quoting Heikki Levanto <[EMAIL PROTECTED]>:

I have never really understood the idea in all-in-first. That seems to
fly in the face of the common sense idea that the order of moves is
important. But perhaps I have got it wrong in my mind. I will have to
study more.

Actually early in the game the order of random moves does not matter. The
Sequence AbCdE... have same result if for example A and C switch order for
CbAdE... If the sequence is  a win then standard MC will attribute this to
playing A first, but actually the sequence with move C first would also have
been a victory. hence all moves in the sequence could in theory be reinforced.

But the catch is that captures and shapes that make moves illegal prevents
seqences from being equal. Also if you are doing heavy simulations where moves
are not uniformly random the assumptions behind all-in-first do not hold
anymore. So it is probably an excellent method for simple MC-program but might
not give anything for more complex programs with heavy simulations.


-Magnus
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