Marc Fungard (The Historian)

• Defect on the first move
• Moves 2-5: Play Tit-for-Tat
• Moves 6-10: Assess opponent's moves 1-5
  • If they were all defections or all cooperations, Defect for moves 6-10
  • If there are more defections than cooperations, Defect for moves 6-10
  • If there are more cooperations than defections, Cooperate for moves 6-10
• Moves 11-15: Assess moves 1-10 and follow strategy as above:
  • If all ten moves are the same, defect moves 11-15
  • If defections predominate, Defect for moves 6-10
  • If cooperations predominate or equal defections, Cooperate for moves 6-10
• Moves 16-20: Assess moves 5-15 and follow strategy as above. However,
  • if there are as many defections as cooperations, assess opponent's move 4 and copy it for moves 16-20.
  • if the last 10 moves are all cooperations, examine moves 1-5. If they are all cooperations, defect 16-20, otherwise cooperate moves 16-20
• Every 5 moves: Assess the last 10 moves and follow strategy as above. However,
  • if there are as many defections as cooperations, assess opponent's move eleventh's previous move and copy it for the next 5 moves.
  • if the last 10 moves are all cooperations, if moves 1-5 were also all cooperations defect 5 moves , otherwise cooperate 5 moves