India's Viswanathan Anand has lost to his former world championship challenger Vladimir Kramnik of Russia in the fourth round of 10th Tal Memorial International chess tournament in Moscow . With this defeat, Anand shares the fourth spot now with Mamedyarov, Kramnik and Aronian. Five rounds are still remaining in the tournament and Anish Giri of Holland is now firmly ahead on 3.5 points out of a possible four, while Nepomniachtchi is half point behind. Li Chao of China on 2.5 points, now occupies the third spot.