[Event "NAmerica-ch1 corr7175"] [Site "?"] [Date "1971.??.??"] [EventDate "?"] [Round "?"] [Result "1/2-1/2"] [White "Thomas Mueller"] [Black "Fedor Parfenovich Bohatirchuk"] [ECO "A21"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "79"] 1.c4 e5 2.Nc3 d6 3.d4 Nd7 4.e4 Ngf6 5.d5 Nc5 6.f3 a5 7.Be3 g6 8.a3 b6 9.b4 Ncd7 10.Bd3 Bg7 11.Nge2 O-O 12.O-O Nh5 13.Qc2 Ba6 14.Rab1 axb4 15.axb4 Qe7 16.g4 Nhf6 17.Ng3 Rfb8 18.Ra1 Bb7 19.Qb2 Ne8 20.Rxa8 Rxa8 21.Ra1 Rb8 22.Qc1 Qd8 23.Kg2 Bf8 24.Bc2 Ng7 25.Bh6 Ra8 26.Rxa8 Qxa8 27.Ba4 Qd8 28.Bb5 Nb8 29.Nge2 Be7 30.Be3 h5 31.h3 hxg4 32.hxg4 Ne8 33.Qa3 Nf6 34.Qa7 Qc8 35.Qa4 Ba6 36.Kg3 Kg7 37.Nc1 Nh7 38.Bxa6 Nxa6 39.Nd3 Bg5 40.Kf2 1/2-1/2