The opening has been very well studied, however, taking step 5,
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送交者: steven 于 2010-04-02, 02:12:39:
回答: 这样吧，我对五子棋了解比较少，对chess了解更多些 由 wanxiang 于 2010-04-02, 01:54:05:
how many other move the opponent can make? How do you know if the opponent changed his move, and the result is the same? The end game can be completely different.
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