how to build the Artificial Intelligence behind this Connect Four perfect solver

• online

see also

• Optimal Strategy for Connect 4 / HN - shows a weak solution to the game of Connect Four. In short, this means that it provides sufficient information to guarantee a win for the first player if the first player plays in accordance with the weak solution’s suggestions, but makes no comment on arbitrary positions. (If it did, that would make it a strong solution).
  • I Solved Connect 4 - mixing opening + brute force (reduce memory & cpu required)
    • playing center is sure to win (if playing correctly)
    • playing one left to center - ensure tie (if perfect play from second player)
    • every first other move give loss to player 1 if other player play perfectly.

• How to Win Connect-4 Every Time

• A Knowledge-based Approach of Connect-Four (1988) - The Game is Solved: White Wins
• Strongly Solving 7×6 Connect-Four on Consumer Grade Hardware
• The Complete Book of CONNECT 4: History, Strategy, Puzzles