Time Control: 100 minutes for the first 40 moves, then 50 minutes for the next 20 moves, followed by 15 minutes play-to-finish. 30 seconds is added to your clock after every move starting move 1.

The act of sacrifice holds an elevated and sometimes sacred place in societies across the globe. While sacrifices may be rare in a person’s daily life, they happen as a matter of course in a large ...

The original version of this story appeared in Quanta Magazine. When Covid-19 sent people home in early 2020, the computer scientist Tom Zahavy rediscovered chess. He had played as a kid and had ...

Add Yahoo as a preferred source to see more of our stories on Google. While many take full advantage of sleeping in on the weekend, mine starts by crossing state lines to clash plastic chess pieces ...