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Individual Calculations April 2018 |
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| Zarate Rueda, Rafael Humberto Total change: -18.00 | |   |
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| Campeonato Nacional Amateur 2018 Sub1700 | Bogota | COL | 2018-02-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1636 | 1419 | 0.00 | 2 | -0.45 | 40 | -18.00 | |
|  Ospina, Santiago | | | 1667 | COL | 0.00 | 1 | -0.19 | 40 | -7.60 | |  Aguayo, Juan Manuel | | | 1604 | COL | 0.00 | 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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