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Connect K

Connect K. Richard Fang rfangAI. Heuristic. Choose the move that results in the most unblocked (the opponent does not share the same row/col/diagonal) contiguous lines for the player. Weighted by line length Ex: 5 x 5 , K = 4 next move : red. numbers are the number of lines

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Connect K

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  1. Connect K Richard Fang rfangAI

  2. Heuristic Choose the move that results in the most unblocked (the opponent does not share the same row/col/diagonal) contiguous lines for the player. Weighted by line length Ex: 5 x 5 , K = 4 next move : red numbers are the number of lines * even though it is the same length as the other moves, the resulting line is longer.

  3. Actual Result: 5 x 5 K = 4 3.jpg

  4. Prioritized Checks 1. Take the middle spot if available (W/2, H/2) 2. Take the spot if player will win (at depth 0) 3. Take the spot if player will lose (at depth 0) 4. Take spot if opponent will have k - 1 in a row to avoid this scenario → 5. Take spot if player will have k - 1 in a row to be in this scenario →

  5. Other tips - Don’t check all available spots - Only check spots that are adjacent to existing pieces - Focus on getting the min/max algorithm working before adding other constraints (time limit, alpha pruning, etc) - Step through your algorithm by hand if needed

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