C/CIF - Chess Interchange Format
CIF - Game Info - Event Data
<xs:complexType name="GEvent">
<xs:choice>
<xs:group ref="Site"/>
<xs:group ref="Event"/>
<xs:element name="sponsor" type="Token" minOccurs="0" maxOccurs="1"/>
</xs:choice>
<xs:attribute name="eventid" type="xs:nonNegativeInteger" use="optional"/>
<xs:attribute name="siteid" type="xs:nonNegativeInteger" use="optional"/>
<xs:attribute name="sponsorid" type="xs:nonNegativeInteger" use="optional"/>
</xs:complexType>
The optional attributes eventid gives a reference to an event entry inside the archive section namebase. If a namebase entry is referenced then it is not allowed to overwrite any defined element of the namebase entry. But it is allowed to overwrite undefined elements.
The optional attribute siteid gives a reference to a sponsor entry inside the archive section namebase. If a namebase entry is referenced then it is not allowed to define element sponsor.
