pgn_to_columns = {
    "Event": "event",
    "Site": "site",
    "Date": "date",
    "Round": "round",
    "White": "white",
    "Black": "black",
    "Result": "result",
    "WhiteTitle": "white_title",
    "BlackTitle": "black_title",
    "WhiteElo": "white_elo",
    "BlackElo": "black_elo",
    "WhiteUSCF": "white_uscf",
    "BlackUSCF": "black_uscf",
    "WhiteNA": "white_na",
    "BlackNA": "black_na",
    "WhiteType": "white_type",
    "BlackType": "black_type",
    "EventDate": "event_date",
    "EventSponsor": "event_sponsor",
    "Section": "section",
    "Stage": "stage",
    "Board": "board",
    "Opening": "opening",
    "Variation": "variation",
    "SubVariation": "sub_variation",
    "ECO": "eco",
    "NIC": "nic",
    "Time": "time",
    "UTCTime": "utc_time",
    "UTCDate": "utc_date",
    "TimeControl": "time_control",
    "SetUp": "set_up",
    "FEN": "fen",
    "Termination": "termination",
    "Annotator": "annotator",
    "Mode": "mode",
    "PlyCount": "ply_count",
}
