Line

Can you give some context?

A methodology or approach used to analyze a particular class of problems.

Elanguest Can you give some context?

The context is:
Variation: One line of analysis in any phase of the game. It could be a line of play other than the ones used in the game. The term Variation is frequently applied to one line of an opening; for example, The Wilkes-Barre Variation (named after the city in Pennsylvania) of the Two Knights'

What is the difference between line, course, and branch here?

Hi

If I were going to use the words with a difference, I think I would say:

- line of analysis - looking at the consequences of one move
- branch of the analysis - the various ways in which play can follow on
- course - the themes of the game that will then develop

- In the Gruenfeld, what is to be said about the line 4 Bg5? Well, Black will typically play the k

Hi

Thanks to the web, I think I can point you to such a game ...

http://www.chessgames.com/perl/chessgame?gid=1044721

Dave