Perfect information

[1][2][3][4] Perfect information is importantly different from complete information, which implies common knowledge of each player's utility functions, payoffs, strategies and "types".

[5][6] Chess is an example of a game with perfect information, as each player can see all the pieces on the board at all times.

[2] Other games with perfect information include tic-tac-toe, Reversi, checkers, and Go.

[4][7][8][9] Games which are sequential (players alternate in moving) and which have chance events (with known probabilities to all players) but no secret information, are sometimes considered games of perfect information.

An example of a game in this category includes rock paper scissors.

Chess is an example of a game of perfect information.
Backgammon includes chance events, but by some definitions is classified as a game of perfect information.
Poker is a game of imperfect information, as players do not know the private cards of their opponents.