Indian teenage Grandmaster Rameshbabu Praggnanandhaa achieved the highest classical win of his career, grinding out a 72-move endgame against World No. 2 and World Championship 2023 contender GM Ding Liren at the historic Tata Steel Chess Wijk aan Zee Masters on Tuesday. With this win, he stands in the 4th position with 2.5/4 points, and the Chinese grandmaster has slid down to the 9th spot with 2/4 points More importantly, however, Pragg’s live rating is now 2692, only eight points away from the magical 2700 rating. Pragg’s persistent fighting spirit earned him his strongest classical chess victory to date against…