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Individual Calculations December 2019 |
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| Becerra Fonseca, Camila Total change: -13.20 | |   |
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| VIII Panamericano Individual de Ajedrez IBCA Costa Rica 2019 | San Jose | CRC | 2019-10-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1473 | 1302 | 0.50 | 4 | -0.66 | 20 | -13.20 | |
|  Franco Perez, William | | | 1584 | COL | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Jaramillo, Carlos Mario | | | 1549 | COL | 0.50 | 1 | 0.31 | 20 | 6.20 | | | Franco, Yolima | | | 1534 | COL | 0.00 | 1 | -0.21 | 20 | -4.20 | |  Telles, Rigoberto | | | 1226 | CRC | 0.00 | 1 | -0.60 | 20 | -12.00 | |
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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