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Individual Calculations November 2018 |
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| Guevara Cornejo, Gabriel Total change: 9.60 | |   |
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| Campeonato Nacional por Equipos Juvenil Sub14 2018 | San Jose | CRC | 2018-09-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1129 | 1340 | 2.50 | 3 | 0.24 | 40 | 9.60 | |
|  Meza Vega, Jose Antonio | | | 1292 | CRC | 0.50 | 1 | -0.07 | 40 | -2.80 | | | Diaz Charpentier, Ashly Valeri | | | 1006 | CRC | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Semana Ramirez, Brenda | | wc | 1090 | CRC | 1.00 | 1 | 0.19 | 40 | 7.60 | |
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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