This function takes in two parameters; how many players you want returned (max 200) and the speed variant. The result is a data frame for each game type
lichess_leaderboard(top_n_players, speed_variant)
The number of players (up to 200) you want returned
A valid lichess speed variant to return the leaderboard for
a dataframe of the lichess top players based on speed_variant and top_n_players selected
The leaderboard speed variant options include:
"ultraBullet", "bullet", "blitz", "rapid", "classical", "chess960", "crazyhouse", "antichess" , "atomic", "horde", "kingOfTheHill", "racingKings", "threeCheck"