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Individual Calculations October 2015 |
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| Chinchilla Miranda, Eugenio Total change: -12.20 | |   |
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| Memorial Joaquin Gutierrez G64 | San Jose | CRC | 2015-09-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2045 | 2202 | 5.50 | 9 | -0.61 | 20 | -12.20 | |
|  Bonilla Rodriguez, Andres | | | 1906 | CRC | 0.50 | 1 | -0.35 | 20 | -7.00 | |  Bonilla Sequeira, Pablo | | | 2098 | CRC | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Porras Chavarria, Steve | | | 1802 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Castillo Morales, Thais | | | 1802 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Vaglio Mattey, Emanuel | | | 2058 | CRC | 0.50 | 1 | -0.19 | 20 | -3.80 | | | Solis L., Efren A. | | | 2139 | CRC | 0.50 | 1 | -0.09 | 20 | -1.80 | | | Arias Santana, Mauricio | m | | 2308 | CRC | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Fernandez Sibaja, Felipe J | | | 2010 | CRC | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Alfaro Rojas, Alfonso Jose | f | | 2284 | CRC | 0.50 | 1 | 0.11 | 20 | 2.20 | | | * 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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