Introduction to Game Theory/Matching Pennies
In this game we imagine two players, each with a penny. They independently choose a side of the coin and then simultaneously show the other the chosen side. If the sides match, then Player 1 gains Player 2's penny. If the sides differ, Player 2 wins Player 1's penny.
Matching Pennies | Player 2 | ||
Heads | Tails | ||
Player 1 | Heads | 1, -1 | -1, 1 |
Tails | -1, 1 | 1, -1 |