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Individual Calculations January 2018 |
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| Espitia Torres, Mateo Total change: -19.20 | |   |
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| Metropolitano Sub14 2017 | San Jose | CRC | 2017-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1242 | 1518 | 2.00 | 3 | -0.48 | 40 | -19.20 | |
|  Sierra Berrocal, Gabriela | | | 1199 | CRC | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Sierra Berrocal, Auriel | | | 1193 | CRC | 0.00 | 1 | -0.87 | 40 | -34.80 | | | Araya Tropper, Ariel | | | 1334 | 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) | | |
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