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6
votes
1answer
630 views

Name of this interesting variant of Tic-tac-toe?

A group of grad students and I regularly meet up at conferences. Often, we spend our coffee breaks between talks playing various suggested generalisations of common pen-and-paper games to see if we ...
3
votes
1answer
3k views

Is Ultimate Tic Tac Toe solved?

Ultimate Tic Tac Toe is an interesting variant of Tic Tac Toe where in each of the 9 fields, “regular” game of Tic Tac Toe is played; see the link for details. Has this game been solved already? ...
11
votes
3answers
1k views

First modern Naughts and Crosses/Tic Tac Toe?

When was Naughts and Crosses first released in its current form? I see there were Egyptian and the Roman versions, but these are very different games.
25
votes
1answer
2k views

What is the optimal strategy in Quantum Tic Tac Toe?

Quantum Tic Tac Toe is a variant of Tic-Tac-Toe with "entangled" states (there are even iPhone and Android apps). In essence, a classic naught or cross isn't placed until the 'quantum state' of the ...