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Individual Calculations September 2018 |
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| Guadamuz Hernandez, Ismael A Total change: -31.20 | |   |
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| Campeonato Nacional de Tercera Categoria 2018 | San Jose | CRC | 2018-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1491 | 1580 | 2.50 | 6 | -1.17 | 40 | -46.80 | |
|  Melendez Arce, Caleth | | | 1521 | CRC | 1.00 | 1 | 0.42 | 40 | 16.80 | |  Espitia Torres, Mateo | | | 1495 | CRC | 0.00 | 1 | -0.62 | 40 | -24.80 | | | Avendano Porras, Rodrigo | | | 1698 | CRC | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Guevara Ceciliano, Maria Celeste | | | 1264 | CRC | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Guzman Hidalgo, Nicolas | | | 1506 | CRC | 0.00 | 1 | -0.60 | 40 | -24.00 | | | Soto Castrillo, Otto | | | 1464 | CRC | 0.50 | 1 | -0.16 | 40 | -6.40 | |
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) | | | | II Torneo Enrique Sotelo in Memoriam | Guapiles | CRC | 2018-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1206 | 1580 | 4.00 | 4 | 0.39 | 40 | 15.60 | |
| | Mena Brenes, Deivid | | | 1180 * | CRC | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Alvarez Ugalde, Isaac | | | 1180 * | CRC | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Rodriguez Retana, Sofia | | | 1197 | CRC | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Meza Vega, Jose Antonio | | | 1268 | CRC | 1.00 | 1 | 0.14 | 40 | 5.60 | | | * 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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