[Event "Yerevan"]
[Site "Yerevan"]
[Date "1977.??.??"]
[Round "4"]
[White "Ivanov, Igor V"]
[Black "Mnatsakanian, Eduard A"]
[Result "0-1"]
[WhiteElo "2420"]
[BlackElo "2425"]
[ECO "E10"]

1.d4 e6 2.c4 Nf6 3.Nf3 c5 4.d5 b5 5.dxe6 fxe6 6.cxb5 d5 7.Bg5 Bb7 8.e3 Bd6
9.Nc3 O-O 10.Be2 Nbd7 11.O-O Kh8 12.Bh4 Qe7 13.Bd3 e5 14.e4 c4 15.Bb1 d4
16.Ne2 Qe6 17.Ng3 Nc5 18.Nd2 a6 19.Bxf6 Rxf6 20.bxa6 Bxa6 21.a3 Rb8 22.Qc1 g6
23.Rd1 Bf8 24.Ba2 Bh6 25.Qc2 d3 26.Qc1 Na4 27.Rb1 Qb6 28.Rf1 Qd4 29.b3 Nc3
30.bxc4 Rxb1 31.Bxb1 Ne2+  0-1

