The Unbreakable Pin and the Long March

This week I played a game against the computer that featured two of my favorite strategic themes. The unbreakable pin is, of course, well known. The second concept, the Long March, is one that I named but of course didn’t invent. It’s simply the plan of marching the...

Best Checkmate Ever?

With the San Francisco Mechanics not qualifying for the PRO Chess League playoffs, I didn’t watch the playoffs last night. It was my loss, because I missed the chance to watch in real time what one fan called “the best 60 seconds in PRO Chess League history” and what...