[Event "Ch Bulgaria"] [Site "masterchessopen.com Sofia (Bulgaria)"] [Date "1963.03.06"] [Round "4"] [White "Nejkirch Oleg"] [Black "Tringov Georgi P (BUL)"] [Result "1/2-1/2"] [BlackElo "2379"] [ECO "A16"] [Opening "English: Anglo-Indian, 2.Nc3 g6"] 1.c4 Nf6 2.Nc3 g6 3.d4 Bg7 4.e4 d6 5.Be2 O-O 6.f4 c5 7.Nf3 cxd4 8.Nxd4 Nc6 9.Be3 Qb6 10.Nc2 Qa5 11.O-O Nd7 12.Bd2 Qd8 13.Rb1 Nc5 14.Bf3 Nd7 15.Be2 Nc5 16.Bf3 Nd7 17.Be2 Nc5 {#d} 1/2-1/2