choice_berserk: Data of berserking choice
In RprobitB: Bayesian Probit Choice Modeling

choice_berserk

R Documentation

Data of berserking choice

Description

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 player
game_id, unique lichess identification of the game
berserk, 1 if the player berserked and 0 if not,
white, 1 if the player had the white pieces and 0 if not
rating, the player's lichess bullet rating at the start of the game
rating_diff, the rating difference to the opponent
lost, 1 if the player lost the game (and hence lost the streak) and 0 if not
min_rem, the number of minutes left in the tournament
streak, 1 if the player is on a streak (see the details) and 0 if not

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.