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Individual Calculations July 2010 |
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| Solis, Efren Total change: 9.15 | |   |
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| II Copa Consultecnica | San Jose | CRC | 2010-02-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1951 | 2108 | 2.50 | 5 | -0.98 | 15 | -14.70 | |
|  Montoya, Cristian | | | 1931 | CRC | 1.00 | 1 | 0.27 | 15 | 4.05 | |  Jimenez Esquivel, Greivin | | | 1979 | CRC | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Bonilla Sequeira, Pablo | | | 1775 | CRC | 0.50 | 1 | -0.38 | 15 | -5.70 | | | Duran Vega, Sergio | | | 2084 | CRC | 0.00 | 1 | -0.53 | 15 | -7.95 | | | Duran Vega, Andres | | | 1985 | CRC | 0.00 | 1 | -0.67 | 15 | -10.05 | |
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) | | | | Memorial Alekhine | San Jose | CRC | 2010-02-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1984 | 2108 | 5.00 | 7 | 0.48 | 15 | 7.20 | |
| | Gamboa Alvarado, Leticia | | | 1710 | CRC | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Sotela, Felipe | | | 1846 | CRC | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Hernandez Alvarez, Tania Regla | | wm | 2136 | CUB | 0.00 | 1 | -0.46 | 15 | -6.90 | | | Jimenez Esquivel, Greivin | | | 1979 | CRC | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Minero Pineda, Carlos | | | 2053 | CRC | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Ugalde, Ronald | | | 2139 | CRC | 0.00 | 1 | -0.46 | 15 | -6.90 | | | Alvarado, Dizan Ernesto | | | 2027 | CRC | 1.00 | 1 | 0.39 | 15 | 5.85 | |
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) | | | | Campeonato Nacional Clasificatorio | Moravia | CRC | 2010-02-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2012 | 2108 | 4.50 | 7 | 0.10 | 15 | 1.50 | |
| | Carranza Fernandez, Jorge | | | 1875 | CRC | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Jimenez, Alvarado Alonso | | | 2090 | CRC | 0.00 | 1 | -0.53 | 15 | -7.95 | | | Needham, Bryan | | | 2010 | CRC | 0.00 | 1 | -0.63 | 15 | -9.45 | | | Toro Soto, Anthony | | | 2023 | CRC | 0.50 | 1 | -0.12 | 15 | -1.80 | | | Zamora Mejias, Alonso | | | 2022 | CRC | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Bermudez Munoz, Alexander | | | 2058 | CRC | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Vargas Serano, Pablo | | | 2009 | CRC | 1.00 | 1 | 0.36 | 15 | 5.40 | |
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) | | | | II Memorial Fischer | San Jose | CRC | 2010-04-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2231 | 2108 | 4.50 | 9 | 1.24 | 15 | 18.60 | |
| | Hevia Alejano, Carlos Antonio | f | | 2507 | CUB | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Monge Calvo, Hugo | | | 1964 | CRC | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Murillo Ortiz, Gustavo | | | 1954 | CRC | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Davila, Carlos | m | | 2364 | NCA | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Arias, Rodolfo | | | 2163 | CRC | 1.00 | 1 | 0.58 | 15 | 8.70 | | | Morales Romero, Pedro | f | | 2420 | CUB | 1.00 | 1 | 0.86 | 15 | 12.90 | | | Valdes, Leonardo | m | | 2395 | CRC | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Murillo, Alexis | m | | 2288 | CRC | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Alvarado, Dizan Ernesto | | | 2027 | CRC | 0.50 | 1 | -0.11 | 15 | -1.65 | |
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) | | | | Campeonato Nacional Por Equipos Liga Premier | Costa Rica | CRC | 2010-05-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2047 | 2108 | 0.50 | 1 | -0.08 | 15 | -1.20 | |
| | Vega, Edwin | | | 2047 | CRC | 0.50 | 1 | -0.08 | 15 | -1.20 | |
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) | | | | Open CR Memorial Capablanca | San Jose | CRC | 2010-05-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2048 | 2108 | 1.00 | 2 | -0.15 | 15 | -2.25 | |
| | Esquivel, Jose Edmond | | | 1948 | CRC | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Trejos, Enrique | | | 2148 | CRC | 0.00 | 1 | -0.44 | 15 | -6.60 | |
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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