This data set includes the binary 'berserking' choice of participants in the yearly bullet arena 2022 on the online chess platform https://lichess.org. Berserking is a choice each player has at the beginning of each game: When a player clicks the 'Berserk button', they lose half of their clock time, but the win is worth one extra tournament point.
Usage
data(choice_berserk)
Format
A data.frame
containing berserking choices of 6174 chess players
in 126902 online bullet (1+0) games.
It consists of the following columns:
player_id
, unique lichess username of the chess playergame_id
, unique lichess identification of the gameberserk
,1
if the player berserked and0
if not,white
,1
if the player had the white pieces and0
if notrating
, the player's lichess bullet rating at the start of the gamerating_diff
, the rating difference to the opponentlost
,1
if the player lost the game (and hence lost the streak) and0
if notmin_rem
, the number of minutes left in the tournamentstreak
,1
if the player is on a streak (see the details) and0
if not
Source
The data was obtained via the lichess API https://lichess.org/api with the tournament id 'RibHfoX6' on 2022-03-29.
Details
To 'berserk' is a feature on the online chess platform https://lichess.org. Before the game starts, each player can click a button, after which they lose half of their clock time, but the win is worth one extra tournament point.
The considered tournament had the following characteristics:
The tournament started at 2022-01-10 17:00:25 and lasted 240 minutes.
The time control was 1 minute per player per game (bullet format).
The players are automatically and immediately paired again after a game has finished, which is the so-called 'arena tournament' modus.
The players can pause their participation at any time.
A win has a base score of 2 points, a draw 1 point, and a loss is worth no points.
If a player wins two games consecutively, they will start a double point streak, which means the following games will continue to be worth double points until they fail to win a game.
References
See https://lichess.org/tournament/help?system=arena for more information on the tournament format.