World Champion Viswanathan Anand missed out on his chances and drew with Alexei Shirov of Spain in the fourth round of the Bilbao Final Masters Chess tournament in Spain today.Vladimir Kramnik of Russia retained sole lead following a draw with Magnus Carlsen of Norway. With just two rounds to come in the four-players double round robin event, Kramnik remained at the top of the tables with eight points in his kitty. Anand inched himself up to six points with one victory and three draws.