Alexander Morozevich, Veselin Topalov and Ruslan Ponomariov have taken joint lead by the end of the second round of the Renova Group Grand Prix in Zug. Topalov and Ponomariov beat Leko and Caruana respectively on Friday evening. Alexander Morozevich drew with Shakhriyar Mamedyarov. After an unpleasant start Rustam Kasimdzanov managed to beat Gata Kamsky. Two other games Radjabov-Karjakin and Nakamura-Giri finished in a draw. Morozevich-Mamedyarov 1/2:1/2 Alexander Morozevich chose to play early h4-h5 against Gruenfeld. This line, was successfully played by Russian against Anish Giri in China and happened in the game Grischuk-Carlsen recently....