The data are interesting. But almost all of his conclusions and commentaries are pretty dubious. For instance: > Therefore, it's in your best interest to play

The data are interesting. But almost all of his conclusions and commentaries are pretty dubious. For instance: > Therefore, it's in your best interest to play against others around or above your current Elo rating. No, that doesn't follow. There are certainly valid strategies in constantly beating people rated much worse.