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Individual Calculations January 2009 |
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| Angulo Cubero, Oscar Total change: 41.50 | |   |
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| III Internacional Bolsa de Valores | Santa Ana | CRC | 2008-09-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2033 | 1950 | 0.50 | 1 | 0.11 | 25 | 2.75 | |
|  Needham, Bryan | | | 2033 | CRC | 0.50 | 1 | 0.11 | 25 | 2.75 | |
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) | | | | Metropolitano 2008 | San Jose | CRC | 2008-12-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2163 | 1950 | 2.50 | 4 | 1.55 | 25 | 38.75 | |
|  Cabrera, Marco Antonio | | | 2120 | CRC | 1.00 | 1 | 0.72 | 25 | 18.00 | | | Ugalde, Ronald | | | 2134 | CRC | 1.00 | 1 | 0.74 | 25 | 18.50 | | | Gonzalez, Bernal | m | | 2300 | CRC | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Vives, David | | | 2097 | CRC | 0.50 | 1 | 0.20 | 25 | 5.00 | |
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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