"Every Russian Schoolboy Knows..."

"Every Russian Schoolboy Knows..."
This phrase is famous in the chess world. It means that some chess ideas are very basic and well-known. Mikhail Botvinnik, a great Russian chess player, often used this phrase.
What it means:
The phrase shows that Russian chess players were taught important endgame strategies from a young age. These strategies are still important today.
Why it's used:
People use this phrase to say that some chess ideas are obvious or easy to understand. It's often used in a funny way to point out simple mistakes.
Chess legacy:
The phrase reminds us of the great Russian chess tradition. It shows how important it is to learn and practice chess basics.
In short, "Every Russian schoolboy knows..." is a phrase that highlights the importance of basic chess strategies and the rich history of Russian chess.