If your interested in the sveshnikov check out Karjakin vs. Shirov 11.12.2007 B33.

The world cup kanty mansiysk. Anyway the analysis is excellent along with the game.

Towards the endgame analysis Rogozenko who also wrote the book on the sveshnikov mentions this could end up in a 50 move rule ( or depending on the position a 100 move rule draw. Could somebody explain what he means by 100 move rule?

Take a look at the way Karakin keeps his knights in the proper position.