[Event "15th olm final B"]
[Site "Varna BUL"]
[Date "1962.10.09"]
[Round "11"]
[White "Calero, Ivan CUB"]
[Black "Chalkhasuren, Gonchich MGL"]
[Result "1/2-1/2"]
[ECO "D58"]
[EventDate "1962.09.16"]
[PlyCount "60"]

1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.Bg5 Be7 5.Nc3 h6 6.Bh4 O-O 7.e3 b6 8.Bxf6 Bxf6
9.cxd5 exd5 10.Qb3 Be6 11.Rd1 Nc6 12.Qa4 Ne7 13.Ba6 c6 14.Be2 Bf5 15.O-O 
a5 16.Rd2 b5 17.Qd1 Nc8 18.Ne1 Re8 19.Bd3 Qd7 20.Qb1 Nd6 21.Bxf5 Qxf5 22.
Qxf5 Nxf5 23.Nd3 Rac8 24.Rc1 Ra8 25.Rf1 Rac8 26.Rc1 Ra8 27.Rf1 Rac8 28.Rc1
Ra8 29.Rf1 Rac8 30.Rc1 Ra8 1/2-1/2

