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Individual Calculations July 2009 |
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| Solano Lopez, Royner Total change: 31.50 | |   |
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| Copa Ocean Grupo A | San José | CRC | 2009-01-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2090 | 2083 | 1.50 | 2 | 0.52 | 25 | 13.00 | |
|  Alvarado Rodriguez, Dizan | | | 2055 | CRC | 0.50 | 1 | -0.04 | 25 | -1.00 | | | Minero Pineda, Boris | | | 2124 | CRC | 1.00 | 1 | 0.56 | 25 | 14.00 | |
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) | | | | Costa Rican National Championship Phase 1.2 | Moravia | CRC | 2009-06-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2115 | 2038 | 3.50 | 7 | 0.74 | 25 | 18.50 | |
| | Bermudez, Sergio | f | | 2161 | CRC | 0.50 | 1 | 0.17 | 25 | 4.25 | |  Solis, Efren | | | 2124 | CRC | 1.00 | 1 | 0.62 | 25 | 15.50 | | | Bermudez Munoz, Alexander | | | 2038 | CRC | 1.00 | 1 | 0.50 | 25 | 12.50 | | | Alfaro Rojas, Alfonso | | | 2163 | CRC | 0.50 | 1 | 0.17 | 25 | 4.25 | | | Vives, David | | | 2091 | CRC | 0.00 | 1 | -0.43 | 25 | -10.75 | | | Campos, Roberto | | | 2108 | CRC | 0.50 | 1 | 0.10 | 25 | 2.50 | | | Ugalde, Ronald | | | 2120 | CRC | 0.00 | 1 | -0.39 | 25 | -9.75 | |
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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