The variant that you can't be sent to a won board or a full board is not vulnerable to this technique, and, to my knowledge, hasn't been solved. https://www.kh

The variant that you can't be sent to a won board or a full board is not vulnerable to this technique, and, to my knowledge, hasn't been solved. https://www.khanacademy.org/cs/in-tic-tac-toe-ception-perfect/1681243068 https://www.khanacademy.org/cs/in-tic-tac-toe-ception-perfec...