Chessic

The chessic tribes, peculiar in their gait, / Vary their modes of motion; some march straight, / Direct and forward, some oblique...

As we've already announced, your opponent is in the last stages of chessic caries.

To diagnose your opponent's weaknesses — an over-adventurous style, a dislike for assuming the defensive, overconfidence in certain types of positions, impatience in the endgame, rigidity in choice of openings — requires a psychological as well as chessic analysis.