Focus On: Game Theory: Sudoku, Tragedy of the Commons, Pareto Efficiency, Braess's Paradox, Collusion, Chess Opening, Stable marriage Problem, Zugzwang, ... General equilibrium Theory, etc.
Wikipedia Contributors
Tragedy in Chess. The Story of a Prize Solution. An uncommon original article from the Harmsworth London Magazine, 1900.
Beatrice Heron-Maxwell
Fatal Moments: The Tragedy of the Accidental Killer
Gwendolyn Gilliam