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Individual Calculations January 2009 |
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| Gamboa Acuna, Carlos Total change: 0.00 | |   |
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| III Internacional Bolsa de Valores | Santa Ana | CRC | 2008-09-07 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 2048 | 0 | 0.50 | 3 | 0.00 | 1775 | | 0.00 | |
|  Rodriguez, David | | | 1992 | CRC | 0.00 | 1 | 0.00 | | 0.00 | | | Needham, Bryan | | | 2033 | CRC | 0.50 | 1 | 0.00 | | 0.00 | | | Solis, Efren | | | 2118 | CRC | 0.00 | 1 | 0.00 | | 0.00 | |
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) | | | | Metropolitano 2008 | San Jose | CRC | 2008-12-06 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 2051 | 0 | 1.50 | 3 | 0.00 | 2051 | | 0.00 | |
| | Urbina Quiros, Edwin | | | 2078 | CRC | 1.00 | 1 | 0.00 | | 0.00 | |  Angulo Cubero, Oscar | | | 1950 | CRC | 0.50 | 1 | 0.00 | | 0.00 | | | Solis, Efren | | | 2126 | CRC | 0.00 | 1 | 0.00 | | 0.00 | |
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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