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Individual Calculations April 2009 |
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| Castillo Trujillo, Ivan Total change: 0.00 | |   |
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| Costa Rican National Championship Phase 1.1 | San Jose | CRC | 2009-01-31 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 2034 | 0 | 5.00 | 7 | 0.00 | 2072 | | 0.00 | |
|  Trejos, Shirley | | | 1986 | CRC | 1.00 | 1 | 0.00 | | 0.00 | |  Cabrera, Marco Antonio | | | 2109 | CRC | 0.00 | 1 | 0.00 | | 0.00 | | | Barrios Zamora, Carlos | | | 2046 | CRC | 0.50 | 1 | 0.00 | | 0.00 | | | Centeno Mora, Erick | | | 2043 | CRC | 0.50 | 1 | 0.00 | | 0.00 | | | Murillo Ortiz, Gustavo | | | 1988 | CRC | 1.00 | 1 | 0.00 | | 0.00 | | | Alfaro Guillen, Jose Raul | | | 1892 | CRC | 1.00 | 1 | 0.00 | | 0.00 | | | Carvajal Gorgona, Jonathan | | | 2175 | CRC | 1.00 | 1 | 0.00 | | 0.00 | |
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) | | |
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