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Individual Calculations January 2009 |
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| Urena, Omar Total change: -5.00 | |   |
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| Metropolitano 2008 | San Jose | CRC | 2008-12-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2069 | 1956 | 0.50 | 2 | -0.20 | 25 | -5.00 | |
|  Hernandez Coto, Carlos | | | 2022 | CRC | 0.00 | 1 | -0.41 | 25 | -10.25 | | | Toro Soto, Anthony | | | 2115 | CRC | 0.50 | 1 | 0.21 | 25 | 5.25 | |
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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