[Event "Ch Tula Region (open)"] [Site "Tula (Russia)"] [Round "5"] [White "Lazarev Sergei G (RUS)"] [Black "Katolikov Oleg (RUS)"] [Result "1/2-1/2"] [WhiteElo "2387"] [BlackElo "2310"] [ECO "A56"] [Opening "Benoni: 2...c5"] 1.d4 Nf6 2.c4 c5 3.Nf3 g6 4.g3 Bg7 5.Bg2 O-O 6.Nc3 Nc6 7.O-O {#d} 1/2-1/2