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Individual Calculations September 2009 |
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| Alvarez, Ernesto Total change: -2.50 | |   |
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| 2009 US Class Championships | Boca Raton, Florida | USA | 2009-07-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2080 | 2231 | 2.00 | 3 | -0.10 | 25 | -2.50 | |
|  Kimmel, Gregory J | | | 2120 | USA | 1.00 | 1 | 0.35 | 25 | 8.75 | |  Heung, Christopher | | | 2020 | USA | 1.00 | 1 | 0.23 | 25 | 5.75 | | | Daly, Troy | | | 2101 | USA | 0.00 | 1 | -0.68 | 25 | -17.00 | |
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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