Blindfold Poker

The Blindfold Poker (目隠しをポーカー) is a test that is part of the Power Curriculum Program, that is used to test espers, specifically, clairvoyant espers.

Principles
Although the test is part of the course for clairvoyants, this see-through lesson is can apparently also be used or punishment for espers who are not clairvoyant. The rules of the game has the esper win 10 consecutive times, or they won't be able to go home.

Index Arc
Kamijou Touma is told by Tsukuyomi Komoe that he will be forced to play the game, in spite not yet failing the test that Komoe has given to the remedial class, as his marks in power development are not enough, much to his chagrin.