A 9-year-old from Madison, Wis., became the youngest chess master in American history last weekend when his rating passed 2,200 after he won two games at the Midwest Open Team Chess Festival in Dayton, Ohio. The boy, Awonder Liang, broke the record set in 2010 by Samuel Sevian of California, who was less than a month older when he achieved the master rank. The game that earned Liang the honor was against Ben Weaver, a master. In the top diagram, Liang captured a pawn because of persistent mating threats against Weaver’s king. The game went 22 … Bc5 23 Qb3 Qd7 24 Ne4 Be3 25 Nf6 gf6 26 Rc8 Bf2 27 Kf2 Rc8. Weaver should then have played 28 h3. But instead the game continued 28 Rf4 Rd8, and Weaver blundered by …

Source: GameKnot online chess news