New Delhi: Grandmaster Anton Korobov of Ukraine on Monday shot into sole lead defeating top seed Radoslav Wojtaszek of Poland in the fourth round of AICF-AAI Chess Cup now underway here.
Aided by the victory, Korobov took his tally to three points out of a possible four and the Ukrainian now enjoys a full point lead over Wojtaszek, Evgeny Alekseev of Russia, Parimarjan Negi and Abhijeet Gupta, who all have two points each.
On another interesting day at AAI Institute, the other two games ended in draws. Krishnan Sasikiran yet again could not capitalise on what appeared to be a huge advantage while Negi also missed some chances to let Gupta off the hook.
With six rounds still to come in the category-18 tournament, Sasikiran remains at the bottom of the tables with just one point from four games. Sasikiran has been getting nice position but so far he has not converted those into full points.
Gupta is the other player in the tournament who is yet to score a victory apart from Sasikiran and with four draws in as many games, the former world junior champion will be hoping to turn the tide in the rounds to come.
Sasikiran employed the Catalan opening and the players followed theoretical lines that gives white a miniscule advantage. Gupta and Negi were involved in the longest game of the tournament so far lasting 104 moves.