Incomplete record. This archive holds 184 games of this event; the others are missing, and the number played is not established. The surviving scores cover only part of the documented field; the full physically played total is unknown.
Result
The nine-round open began 11 April with 84 players. Its 184 preserved scores cover 71 players, and the full played total is unknown. Hrvoje Stevic's nine source results also total 7/9; that conflict is disclosed rather than used to invent an exhaustive tie order.