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Individual Calculations September 2011 |
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| Fernandez Sibaja, Felipe Total change: 24.90 | |   |
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| Campeonato Nacional por Equipos - Copa Premier | San Jose | CRC | 2011-06-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2116 | 1891 | 3.00 | 9 | 0.88 | 30 | 26.40 | |
|  Chaves Villalobos, David | | | 1920 | CRC | 0.00 | 1 | -0.46 | 30 | -13.80 | | | Peraza, Rafael | | | 2033 | CRC | 1.00 | 1 | 0.69 | 30 | 20.70 | | | Minero Pineda, Carlos | | | 2095 | CRC | 1.00 | 1 | 0.76 | 30 | 22.80 | | | Lorenzana, Wilson Estuardo | m | | 2214 | GUA | 0.00 | 1 | -0.13 | 30 | -3.90 | | | Hevia Alejano, Carlos Antonio | f | | 2291 * | CUB | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Leyva, Hector | m | | 2291 * | ESA | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Trejos, Enrique | | | 2157 | CRC | 0.00 | 1 | -0.18 | 30 | -5.40 | | | Gomez Huertas, Stanley | | | 1998 | CRC | 1.00 | 1 | 0.65 | 30 | 19.50 | |  Barrios Zamora, Carlos | | | 2049 | CRC | 0.00 | 1 | -0.29 | 30 | -8.70 | | | * 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) | | | | III Torneo Internacional de San Jose | San Jose | CRC | 2011-06-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2167 | 1891 | 0.50 | 3 | -0.05 | 30 | -1.50 | |
| | Perez Perez, Osniel | f | | 2263 | CUB | 0.00 | 1 | -0.10 | 30 | -3.00 | | | Lorenzana, Wilson Estuardo | m | | 2214 | GUA | 0.50 | 1 | 0.37 | 30 | 11.10 | | | Needham, Bryan | | | 2025 | CRC | 0.00 | 1 | -0.32 | 30 | -9.60 | |
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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