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Individual Calculations July 2010 |
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| Ugalde, Ronald Total change: 2.40 | |   |
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| Memorial Alekhine | San Jose | CRC | 2010-02-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2068 | 2139 | 3.00 | 6 | -0.56 | 15 | -8.40 | |
|  Esquivel, Jose Edmond | | | 1948 | CRC | 0.50 | 1 | -0.25 | 15 | -3.75 | |  Castillo, Rommel | | | 2181 | NCA | 1.00 | 1 | 0.56 | 15 | 8.40 | | | Jimenez Esquivel, Greivin | | | 1979 | CRC | 0.50 | 1 | -0.21 | 15 | -3.15 | | | Hernandez Alvarez, Tania Regla | | wm | 2136 | CUB | 0.00 | 1 | -0.50 | 15 | -7.50 | | | Solis, Efren | | | 2108 | CRC | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Minero Pineda, Carlos | | | 2053 | CRC | 0.00 | 1 | -0.62 | 15 | -9.30 | |
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) | | | | Campeonato Nacional Clasificatorio | Moravia | CRC | 2010-02-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2156 | 2139 | 4.50 | 8 | 0.71 | 15 | 10.65 | |
| | Alfaro Guillen, Jose Raul | | | 1994 | CRC | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Bermudez, Sergio | f | | 2184 | CRC | 0.50 | 1 | 0.06 | 15 | 0.90 | | | Carvajal Gorgona, Jonathan | | | 2179 | CRC | 1.00 | 1 | 0.56 | 15 | 8.40 | | | Alfaro Rojas, Alfonso | | | 2161 | CRC | 0.50 | 1 | 0.03 | 15 | 0.45 | | | Granados, Carlos | | | 2137 | CRC | 0.50 | 1 | 0.00 | 15 | 0.00 | | | Maynard, Francis | | | 2172 | CRC | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Murillo, Alexis | m | | 2288 | CRC | 0.50 | 1 | 0.20 | 15 | 3.00 | | | Hernandez Alvarez, Tania Regla | | wm | 2136 | CUB | 0.00 | 1 | -0.50 | 15 | -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) | | | | Campeonato Nacional Por Equipos Liga Premier | Costa Rica | CRC | 2010-05-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2281 | 2139 | 1.00 | 3 | 0.01 | 15 | 0.15 | |
| | Davila, Carlos | m | | 2364 | NCA | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Castillo Trujillo, Ivan | | | 2060 | CRC | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Morales Romero, Pedro | f | | 2420 | CUB | 0.00 | 1 | -0.16 | 15 | -2.40 | |
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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