// First timestamp this position/move was seen, and the byte offset
// into the PGN file for that game.
optional int64 first_timestamp = 8 [default=32503680000];
+ optional int32 pgn_file_num = 9;
optional int64 pgn_start_position = 10;
// Moves seen from this position.
- repeated string move = 9;
+ repeated string move = 11;
};