Chess ImprovementGeneral News Tigran Petrosian charged opponent of cheating Susan Polgar Posted onMarch 6, 2007March 11, 2015 Cheating, Petrosian, Tigran 21 Comments 435 Views DP Singh’s moves matched with Fritz, claims PetrosianGopal, Jha win GM norms, six others earn IM normsAnupama Bagri Kolkatta, March 5: Even on the penultimate day of the Kolkata Open chess event, controversy around IM D P Singh refused... Read More