Lots of useful Chess tidbits at Twitter. Almost daily advice from Dan Heisman for example. This one, for example, is interesting:
"If I gave a pill to a 1400 player so that he/she memorizes MCO-15, what would their new playing strength be? Most properly guess 1400-1450"
Follow @danheisman !! (or @farbrortheguru)
Semifinaler i PRO Chess League
2 hours ago