India’s S.P. Sethuraman and Vidit Gujrathi both drew with their stronger rivals to take their third-round matches into the tie-breakers at the Chess World Cup at Tbilisi, Georgia, on Sunday.

For the second day in a row, Sethuraman drew with Anish Giri of the Netherlands, while Gujrathi split the point with Ding Liren of China.

But, the day's biggest upset was authored by another Chinese player, Bu Xiangzhi, who knocked out World champion and top seed Magnus Carlsen of Norway. In a must-win game, Carlsen, after his loss on Saturday, could only manage a draw.

Important results (third round, second game):

Vidit Gujrathi (Ind) 1 drew with Ding Liren (Chn) 1; S.P. Sethuraman (Ind) 1 drew with Anish Giri (Ned) 1; Bu Xiangzhi (Chn) 1.5 drew with Magnus Carlsen (Nor) 0.5; Wesley So (US) 1.5 drew with Francisco Vallejo Pons (Spa) 0.5; Maxime Vachier-Lagrave (Fra) 1 drew with Aleksander Lenderman (US) 1; Maxim Matlakov (Rus) 1 beat Levon Aronian (Arm) 1; Evgeniy Najer (Rus) 1 drew with Fabiano Caruana (US) 1; David Navara (Cze) 1 drew with Alexander Grischuk (Rus) 1.