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Individual Calculations September 2019 |
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| Calvo Campos, Adrian Total change: 19.20 | |   |
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| Campeonato Nacional Abierto 2019 | San Jose | CRC | 2019-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1738 | 1683 | 3.00 | 6 | 0.48 | 40 | 19.20 | |
|  Alvarado Machado, Verny | | | 1969 | CRC | 1.00 | 1 | 0.84 | 40 | 33.60 | | | Morera Campos, Hazel Maria | | wm | 1911 | CRC | 0.00 | 1 | -0.21 | 40 | -8.40 | |  Nunez Okubo, Isao | c | | 1648 | CRC | 0.00 | 1 | -0.55 | 40 | -22.00 | | | Mora Chavarria, Sebastian | | | 1283 * | CRC | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Rivera Gonzalez, Jose Alexis | | | 1918 | CRC | 1.00 | 1 | 0.79 | 40 | 31.60 | | | Espitia Torres, Mateo | | | 1701 | CRC | 0.00 | 1 | -0.47 | 40 | -18.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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