BrainKing - 讨论板 (Reversi)

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Reversi

Reversi (Othello) and variants.

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15. 一月 2003, 18:14:16

ChessTiger

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题目: 6x6 has been solved

Just thought (in case it is not known) that you might like to know that the 6x6 version of reversi has been solved (assuming optimal play from the opponent.
This is the work Dr Joel Feinstein from University of Nottingham, and former British champion of othello. White wins 20-16 with the diagonal setup, and 19-17 with the horizontal/vertical setup. This is of course when both play optimally!

15. 一月 2003, 22:50:22

kd5svqJT

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题目: Re: 6x6 has been solved

Are there any numbers for the 8x8 and 10x10?

15. 一月 2003, 23:14:17

blaickner

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题目: Re: 6x6 has been solved

no, both games would takes years on SGI workstations to be solved

15. 一月 2003, 23:43:42

kd5svqJT

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题目: Re: 6x6 has been solved

in your own experience is there an advantage to being black or white?

16. 一月 2003, 01:13:36

ChessTiger

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题目: Re: 6x6 has been solved

I would say not that I have noticed! In 6x6 reversi, white achieves a narrow victory, so there is a suggestion (but no more than that) that white could have a very slight advantage at the larger games.
Please note, I am talking from a point of view where BLACK PLAYS FIRST as in reality!

16. 一月 2003, 14:28:07

blaickner

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题目: white vs black

black does have an advantage at openings, white has the profit of parity* as a default
so in long terms its pretty equal =Þ

* i am not going to explain parity here, read it at www.vog.ru/reversi