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Individual Calculations July 2008 |
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| Alfaro, Carlos Total change: -1.35 | |   |
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| Campeonato Nacional de Costa Rica 2007 Fase I | San Jose | CRC | 2007-06-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2100 | 2114 | 2.50 | 5 | -0.09 | 15 | -1.35 | |
|  Vega, Edwin | | | 2106 | CRC | 1.00 | 1 | 0.49 | 15 | 7.35 | |  Alfaro Rojas, Alfonso | | | 2127 | CRC | 0.00 | 1 | -0.48 | 15 | -7.20 | | | Bermudez, Alexander | | | 1998 | CRC | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Solis, Efren | | | 2120 | CRC | 1.00 | 1 | 0.51 | 15 | 7.65 | | | Ugalde, Ronald | | | 2148 | CRC | 0.00 | 1 | -0.45 | 15 | -6.75 | |
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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