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Individual Calculations November 2019 |
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| Shion Solis, Esteban Jesus Total change: 46.00 | |   |
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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 |
| 1091 | 1111 | 1.00 | 2 | -0.06 | 40 | -2.40 | |
|  Diaz Charpentier, Ashly Valeri | | | 1118 | CRC | 1.00 | 1 | 0.51 | 40 | 20.40 | |  Rojas Mora, Maria Salvadora | | | 1064 | CRC | 0.00 | 1 | -0.57 | 40 | -22.80 | |
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 |
| 1228 | 1187 | 3.00 | 4 | 1.21 | 40 | 48.40 | |
| | Millape Chaves, Naomi | | | 1041 | CRC | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Quesada Fallas, Esteban | | | 1178 | CRC | 1.00 | 1 | 0.49 | 40 | 19.60 | | | Guevara Cornejo, Gabriel | | | 1338 | CRC | 1.00 | 1 | 0.70 | 40 | 28.00 | | | Sandi Quiros, Deborah | | | 1353 | CRC | 0.00 | 1 | -0.28 | 40 | -11.20 | |
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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