Definition of tapis
An tapis in a poker tournament represents all the chips a player has. In English, we will talk about its stack, a word that is often used even by French speakers. In games of cash games, the tapis will be the set of big blinds that a player will have. If he bought for 100 big blinds and won a few pots to bring the total of his blinds to tapis big blinds or say 360€ in a case where the big blinds would be 2€, this sum will be identified as his tapis.
The tapis, a powerful tool for the poker player
An tapis is not just abstract information about a gambler. An tapis is also a tool that we can use to our advantage, to bluff or take certain risks. For example, if you have tapis big blinds in your tapis and a player before you has only 10 big blinds that he pushes all in, since his tapis is small, to go to the slaughter, you know it will only cost you 10 big blindss. And if the player had had tapis big blinds too, you would know when you walked into the hand, that it's your whole tapis that you would be risking.