A Notorious Endgame

In the past I’ve mentioned the “Four Endgames of the Apocalypse,” the four supposedly “elementary” yet ferociously difficult endgames that even grandmasters screw up sometimes: K+Q versus K+R; K+B+N versus K; K+R+B versus K+R; and K+Q+RP...

How AlphaZero Wins

So far I have looked at three games from the AlphaZero-Stockfish match: #5, #9, and #10 from the ten games provided in the arXiv preprint. All three are amazingly similar, and at the same time they are amazingly unlike almost any other game I’ve ever seen. In...

KQ versus KR, part two

In my last post, I looked at the K and Q versus K and R endgames, one of the four endgames of the Apocalypse, which occurred in both of the semifinal matches of the World Cup, and I introduced a couple of new ideas or at least new terminology, the “seesaw...