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Individual Calculations November 2017 |
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| Calderon Brenes, Brandon Total change: -19.20 | |   |
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| Campeonato Nacional Infantil Sub14 por Equipos 2017 | Cartago | CRC | 2017-09-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1180 | 1324 | 2.00 | 3 | -0.08 | 40 | -3.20 | |
|  Frater Gonzalez, Gabriel | | | 1188 | CRC | 0.00 | 1 | -0.68 | 40 | -27.20 | |  Sierra Berrocal, Auriel | | | 1207 | CRC | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Solano Saltachin, Ruth | | | 1144 | CRC | 1.00 | 1 | 0.26 | 40 | 10.40 | |
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) | | | | V Open Encuentro de Culturas Santa Ana 2017 | Santa Ana | CRC | 2017-10-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1496 | 1324 | 0.50 | 3 | -0.40 | 40 | -16.00 | |
| | Coto Bonilla, Darian | c | | 1692 | CRC | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Rodriguez Sanchez, Mauricio | | | 1452 | CRC | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Hernandez Leandro, Alejandro | | | 1344 | CRC | 0.50 | 1 | 0.03 | 40 | 1.20 | |
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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