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Individual Calculations July 2010 |
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| Murillo Ortiz, Gustavo Total change: 12.10 | |   |
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| Campeonato Nacional Clasificatorio | Moravia | CRC | 2010-02-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1977 | 1954 | 3.00 | 4 | 1.12 | 25 | 28.00 | |
|  Montoya, Cristian | | | 1931 | CRC | 1.00 | 1 | 0.47 | 25 | 11.75 | | | Carranza Fernandez, Jorge | | | 1875 | CRC | 1.00 | 1 | 0.39 | 25 | 9.75 | |  Jimenez Sancho, Pedro Pablo | | | 2012 | CRC | 1.00 | 1 | 0.58 | 25 | 14.50 | | | Jimenez, Alvarado Alonso | | | 2090 | CRC | 0.00 | 1 | -0.32 | 25 | -8.00 | |
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) | | | NOTE: K factor changed | | II Memorial Fischer | San Jose | CRC | 2010-04-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2172 | 1954 | 1.50 | 6 | 0.02 | 15 | 0.30 | |
| | Davila, Carlos | m | | 2354 * | NCA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Solis, Efren | | | 2108 | CRC | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Rodriguez, Adolfo | | | 2074 | CRC | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Ortiz, Marcos | | | 2114 | NCA | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Alvarado, Dizan Ernesto | | | 2027 | CRC | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Valdes, Leonardo | m | | 2354 * | CRC | 0.00 | 1 | -0.08 | 15 | -1.20 | | | * 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) | | | NOTE: K factor changed | | Open CR Memorial Capablanca | San Jose | CRC | 2010-05-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2035 | 1954 | 0.50 | 4 | -1.08 | 15 | -16.20 | |
| | Duran Vega, Andres | | | 1985 | CRC | 0.00 | 1 | -0.46 | 15 | -6.90 | | | Trejos, Enrique | | | 2148 | CRC | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Bermudez Munoz, Alexander | | | 2058 | CRC | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Esquivel, Jose Edmond | | | 1948 | CRC | 0.50 | 1 | -0.01 | 15 | -0.15 | |
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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