And this also goes to you, prof. You thinking of single moments and of course. there is luck imvolved. Every decent poker player can win a one-day Tournament. But longterm, over hundreds of tournaments, the better player wins!
I played > 1 million hands at poker, that means, that luck is below 1%. It shows my true skill, how to make decisions over and over again. Think about 1 million hands! I got exactly the value of each decision. Poker is all about mathematics and the numbers never lies.