Grandmaster Nigel Short , Abhijit Gupta, Jones Gawain , David Smerdon D harika , Pratmesh Mokal S Meenakshi and Sahej Grover won their Games to remain as joint Leaders at the end of 4th Round of the ongoing Commonwealth Chess Championship and South African open, being played here in Johannesburg, South Africa Grandmaster Abhijit Kunte and Rajaram Laxman, who drew their 3rd round games came out victorious in the fourth round and are now half a point behind the leaders Less