N?u ??i th? là m?t ng??i ch?i thi?u kinh nghi?m thì r?t có th? h? s? b?t ??u n??c ?i ??u tiên ? biên.Should your opponent spots their third O to dam your winning shift (making a X-X-O diagonal). Then make your subsequent shift by putting your X into another corner sq., enabling you to dam your opponent and create a double diagonal. This will l