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Individual Calculations September 2010 |
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| Solis, Efren Total change: 7.95 | |   |
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| Memorial Joaquin Gutierrez Mangel | San Jose | CRC | 2010-07-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1992 | 2117 | 2.50 | 3 | 0.53 | 15 | 7.95 | |
|  Sotela, Felipe | | | 1837 | CRC | 0.50 | 1 | -0.34 | 15 | -5.10 | |  Barrios Zamora, Carlos | | | 2036 | CRC | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Urbina Quiros, Edwin | | | 2103 | CRC | 1.00 | 1 | 0.48 | 15 | 7.20 | |
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) | | |
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