Category: News

What is a thrombosis?

Thrombosis occurs when blood clots block veins or arteries. Symptoms include pain and swelling in one leg, chest pain, or numbness on one side of the body...

What is average chess ELO?

Determining Ratings The average scholastic tournament player has a rating of around 600. A “strong” non-tournament player, or a beginning tournament playe...

What opening is d4 c5?

Benoni DefenseThe Benoni Defense is a chess opening characterized by the moves: 1. d4 Nf6….Benoni Defense. a b c d e f g h 8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1...

How are chess players rated?

A chess rating system is a system used in chess to estimate the strength of a player, based on their performance versus other players. In almost all syste...