[Event "It (open)"] [Site "Paris (France)"] [Round "8"] [White "Derieux Christian (FRA)"] [Black "Chevallier"] [Result "0-1"] [WhiteElo "2025"] [ECO "A50"] [Opening "Indian: Mexican Defence, 3.Nc3"] 1.d4 Nf6 2.c4 Nc6 3.Nc3 e5 4.d5 Ne7 5.e4 Ng6 6.Be3 Bb4 7.Bd3 c6 8.Rc1 O-O 9.f3 Qe7 10.Ne2 Nh5 11.a3 Bc5 12.b4 Bxe3 {#R} 0-1