What happened to Srikar Varadaraj who at the age of 14 made Grandmaster Viswanathan Anand draw? Where is he? Is he playing chess professionally? - Quora
Jon Ludvig Hammer player profile - ChessBase Players
Jon Ludvig Hammer player profile - ChessBase Players
Jon Ludvig Hammer Biography - Norwegian chess player | Pantheon
Jon Ludvig Hammer player profile - ChessBase Players