Two round-robin tournaments – 10 grandmasters each – begin tomorrow in St. Louis (USA). The composition of the participants of the tournament “A”: Yu Yangyi, G. Vidit, H. Niemann, I. Nyzhnyk, N. Theodorou, G. Oparin, N. Abasov, Nguyen Thai Dai Van, A. Hakobyan, S. Ganguly. The composition of the participants of the tournament “B”: R….