Subgame … something you can cut off cannot cut through Information Sets Subgame perfect … in every subgame you cut off your strategy is perfect

  • game is a subgame of itself
  • strategy … plan for the whole game

  • strg 1 from player 2 is not good
    • strg 2 from player 2 is better even in the less optimal case
  • strg 4 from payer 2 is interesting
    • if I could destroy all cherries from existing, player 1 would be incentiviced to choose vanilla