Individual Calculations February 2019 |
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Tapia Alvarez, Alejandro Total change: -24.20 | | |
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Abierto Internacional Metropolitano B 2018 | San Jose | CRC | 2018-12-26 |
Rc | Ro | w | n | change | K | K*chg | Game |
1159 | 1450 | 1.00 | 2 | -0.66 | 20 | -13.20 | |
| Alvarado Alvarez, Rafael Angel | | | 1050 * | CRC | 0.50 | 1 | -0.42 | 20 | -8.40 | | Cardenas Vargas, Jean Carlo | | | 1268 | CRC | 0.50 | 1 | -0.24 | 20 | -4.80 | | * Rating difference of more than 400. Please read more at FIDE Handbook | Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | Campeonato Nacional Juvenil Absoluto Sub20 2019 | San Jose | CRC | 2019-01-24 |
Rc | Ro | w | n | change | K | K*chg | Game |
1436 | 1450 | 1.00 | 3 | -0.55 | 20 | -11.00 | |
| Duque Araya, Cristopher | | | 1505 | CRC | 0.50 | 1 | 0.08 | 20 | 1.60 | | Granados Wing, Brian Saul | | | 1494 | CRC | 0.50 | 1 | 0.06 | 20 | 1.20 | | Sandi Castro, Allan | | | 1308 | CRC | 0.00 | 1 | -0.69 | 20 | -13.80 | | Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | |
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