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Individual Calculations December 2019 |
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| Sierra Berrocal, Auriel Total change: 14.40 | |   |
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| Campeonato Panamericano Amateur U1700 2019 | San Jose | CRC | 2019-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1512 | 1325 | 1.50 | 4 | 0.36 | 40 | 14.40 | |
|  Rosales Gonzalez, Erick Josue | | | 1653 | CRC | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Rodriguez Jimenez, Jose Daniel | | | 1523 | CRC | 1.00 | 1 | 0.76 | 40 | 30.40 | | | Rojas Mendoza, Joun Sun | | | 1647 | COL | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Alvarez Ugalde, Isaac | | | 1223 | CRC | 0.50 | 1 | -0.14 | 40 | -5.60 | |
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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