Candidates Chess: Gukesh beats Alireza, on the cusp of becoming youngest ever world championship contender

Teenaged Indian Grandmaster D Gukesh leads in Candidates' Chess tournament, poised to become youngest world championship contender.

Teenaged Indian Grandmaster D Gukesh shot into sole lead after defeating Firouzja Alireza of France in the 13th and penultimate round of Candidates' Chess tournament in Toronto, his quest for the extraordinary placing him on the cusp of becoming the youngest ever world championship contender.

If the 17-year-old from Chennai emerges victorious at the Candidates, he will take on China's Ding Liren for the world champion's crown.

In the women's event, Humpy Koneru drew with Anna Muzychuk while Vaishali Rameshbabu got the better of Lei Tingjie. The 22-year-old Vaishali has now registered four consecutive wins in her last four games.

Needing a win to go ahead after the other overnight leaders, Russian Ian Nepomniachtchi and American Hikaru Nakamura played out a quick draw, Gukesh was awarded for his perseverance as he capitalised on a late blunder by Alireza in a difficult situation.

Gukesh took his tally to 8.5 points out of a possible 13 to emerge a half point ahead of Nepomniachtchi, Nakamura and Fabiano Caruana of the United States.

R Praggnanandhaa and Vidit Gujrathi share the fifth spot on six points apiece with Firouzja on 4.5 and Abasov has 3.5 points.

Of the three players in pursuit, Caruana defeated Praggnanandhaa in a hard-fought game while Gujrathi could only get a draw with Nijat Abasov of Azerbaijan.