tic-tac-toe, fit all your description, and the first to move

送交者: steven 于 2010-04-01, 15:43:40:

cannot force win. It is not as trivial as people will believe.

我什么时候给出了先行必胜的充分条件了? - oo8 (131 bytes) 2010-04-01, 15:52:54 (428259)
- By using the strategy-stealing argument, - steven (536 bytes) 2010-04-01, 16:13:17 (428275)
  - I read the proof in 1992, and it is a constructive proof - oo8 (271 bytes) 2010-04-01, 20:33:59 (428367)