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Individual Calculations January 2009 |
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| Vives, David Total change: -6.45 | |   |
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| III Internacional Bolsa de Valores | Santa Ana | CRC | 2008-09-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1952 | 2061 | 1.50 | 2 | 0.21 | 15 | 3.15 | |
|  Ulloa, Oscar | | | 1872 | CRC | 0.50 | 1 | -0.25 | 15 | -3.75 | | | Munoz, Carolina | | | 2032 | CRC | 1.00 | 1 | 0.46 | 15 | 6.90 | |
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 |
| 2087 | 2097 | 2.00 | 5 | -0.64 | 15 | -9.60 | |
|  Toro Soto, Anthony | | | 2115 | CRC | 0.50 | 1 | 0.03 | 15 | 0.45 | | | Gonzalez, Bernal | m | | 2432 | CRC | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Duran Vega, Sergio | | | 1998 | CRC | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Angulo Cubero, Oscar | | | 1950 | CRC | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Alvarez Hernandez, David | | | 1939 | CRC | 0.00 | 1 | -0.71 | 15 | -10.65 | |
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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