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Individual Calculations January 2010 |
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| Esquivel, Jose Edmond Total change: -26.75 | |   |
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| Memorial Rosa Castro | Moravia | CRC | 2009-08-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2103 | 1975 | 0.50 | 3 | -0.49 | 25 | -12.25 | |
|  Montenegro, Esteban | | | 2026 | CRC | 0.00 | 1 | -0.43 | 25 | -10.75 | | | Solis Gaitan, Efren | | | 2156 | CRC | 0.50 | 1 | 0.24 | 25 | 6.00 | |  Ugalde, Ronald, Mn | | | 2126 | CRC | 0.00 | 1 | -0.30 | 25 | -7.50 | |
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) | | | | Costa Rican National Open 2009 | San Jose | CRC | 2009-11-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2051 | 1975 | 1.00 | 4 | -0.58 | 25 | -14.50 | |
| | Minero Pineda, Boris | | | 2089 | CRC | 0.00 | 1 | -0.34 | 25 | -8.50 | | | Solano Lopaz, Royner | | | 2070 | CRC | 1.00 | 1 | 0.63 | 25 | 15.75 | | | Alvarez Hernandez, David | | | 1967 | CRC | 0.00 | 1 | -0.51 | 25 | -12.75 | | | Rodriguez, Adolfo | | | 2076 | CRC | 0.00 | 1 | -0.36 | 25 | -9.00 | |
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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