India's B. Adhiban and Krishnan Sasikiran have entered the second round of the Chess World Cup in Tromso, Norway.Pitted against a much higher-rated rival, Adhiban beat Evgeny Alekseev of Russia 5-3, winning in the blitz tiebreaker. Adhiban's victory turned out to be the second biggest upset in the World cup so far after Wei Yi of China had beaten Ian Nepomniachtchi of Russia. Sasikiran prevailed over Constantin Lupulescu of Romania 2.5-1.5 cruising past in the second rapid game to reach the round of 64. However, the other Indian contender Parimarjan Negi lost 2-4 to Yuri Kryvoruchko of Ukraine.