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Individual Calculations May 2012 |
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| Duran Vega , Sergio Total change: 37.80 | |   |
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| Nacional Abierto 2011 Jorge van der Laat Ulloa | San Jose | CRC | 2012-02-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2136 | 2221 | 6.50 | 8 | 1.63 | 15 | 24.45 | |
|  Solano Cuya, Bryan | | | 2061 | CRC | 1.00 | 1 | 0.29 | 15 | 4.35 | |  Vaglio, Emanuel | | | 2047 | CRC | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Alvarez Hernandez, David | | | 2058 | CRC | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Arias Santana, Mauricio | m | | 2318 | CRC | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Chinchilla, Eugenio | f | | 2225 | CRC | 1.00 | 1 | 0.51 | 15 | 7.65 | | | Esquivel, Jose Edmond | | | 1999 | CRC | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Murillo Tsjili, Alexis | m | | 2305 | CRC | 0.50 | 1 | 0.12 | 15 | 1.80 | | | Fernandez, Mario | | | 2076 | CRC | 0.50 | 1 | -0.19 | 15 | -2.85 | |
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) | | | | Boanerges Navarro In Memoriam 2012 Grupo A | Moravia | CRC | 2012-03-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2045 | 2221 | 6.50 | 8 | 0.89 | 15 | 13.35 | |
| | Vargas Miranda, Diego | | | 1821 * | CRC | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Gamboa Alvarado, Leticia | | | 1839 | CRC | 1.00 | 1 | 0.09 | 15 | 1.35 | | | Jimenez Garcia, Emanuel | | | 1955 | CRC | 0.00 | 1 | -0.82 | 15 | -12.30 | | | Martinez, Huberth | | | 1936 | CRC | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Urbina Quiros, Edwin | | | 2106 | CRC | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Gonzalez Acosta , Bernal | m | | 2427 | CRC | 0.50 | 1 | 0.26 | 15 | 3.90 | | | Vaglio Mattey, Emanuel | | | 2047 | CRC | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Chinchilla, Eugenio | f | | 2225 | CRC | 1.00 | 1 | 0.51 | 15 | 7.65 | | | * 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) | | |
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