The "Bulgarian cheater" he's referring to is Borislav Ivanov (http://en.chessbase.com/tagged?tag=Cheating http://en.chessbase.com/tagged?tag=Cheating). The evi

The "Bulgarian cheater" he's referring to is Borislav Ivanov (http://en.chessbase.com/tagged?tag=Cheating http://en.chessbase.com/tagged?tag=Cheating). The evidence against him is overwhelming, especially this statistical analysis of Ivanov's games (http://www.cse.buffalo.edu/~regan/chess/fidelity/ACPcover-and-report.pdf http://www.cse.buffalo.edu/~regan/chess/fidelity/ACPcover-an...) The links you posted are about Vasik Rajlich, who was banned from the World Computer Chess Championships over allegations of GPL violations.