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Individual Calculations November 2019 |
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| Alvarez Ugalde, Isaac Total change: -2.40 | |   |
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| Campeonato Nacional por Equipos Sub14 Infantil 2019 | San Ramon y Naranjo | CRC | 2019-09-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1092 | 1228 | 1.00 | 1 | 0.32 | 40 | 12.80 | |
|  Esquivel Jimenez, Douglas Daniel | | | 1092 | CRC | 1.00 | 1 | 0.32 | 40 | 12.80 | |
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) | | | | VII Open Encuentro de Culturas Juvenil Sub14 2019 | Santa Ana | CRC | 2019-10-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1151 | 1223 | 2.00 | 4 | -0.38 | 40 | -15.20 | |
| | Diaz Charpentier, Ashly Valeri | | | 1056 | CRC | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Sandi Quiros, Deborah | | | 1353 | CRC | 0.00 | 1 | -0.32 | 40 | -12.80 | |  Leon Cubero, Anthony | | | 1081 | CRC | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Chinchilla Nunez, Sebastian | | | 1113 | CRC | 0.00 | 1 | -0.65 | 40 | -26.00 | |
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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