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Individual Calculations September 2010 |
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| Chiang, Sarah Total change: 38.25 | |   |
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| 38th Annual World Open - U2400 Section | King of Prussia, Pennsylvania | USA | 2010-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2096 | 1808 | 2.50 | 8 | 1.02 | 15 | 15.30 | |
|  Rogers, Norman | f | | 2208 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | |  Boor, Carl B | f | | 2208 * | USA | 0.50 | 1 | 0.42 | 15 | 6.30 | | | Yanayt, Eugene | f | | 2172 | USA | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Moon, Ryan Joseph | | | 2208 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Nieto, Guillermo L | | | 1821 | COL | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Matlin, Anna R | | | 1884 | USA | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Margulis, Yevgeni | | | 2173 | USA | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Higgins, Derrick | | | 2094 | USA | 0.50 | 1 | 0.34 | 15 | 5.10 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | 2010 US Junior Open | Houston, Texas | USA | 2010-07-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2159 | 1826 | 0.00 | 1 | -0.12 | 15 | -1.80 | |
| | Datta, Deepyaman | | | 2159 | USA | 0.00 | 1 | -0.12 | 15 | -1.80 | |
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) | | | | Festival Panamericano da Juventude 2010 - U 14 Open | Bento Gonzalves - Rio Grande do Sul | BRA | 2010-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1931 | 1826 | 3.50 | 5 | 1.65 | 15 | 24.75 | |
| | Cuellar Elisvan, Diego | f | | 2127 | PER | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Melo Reda, Caique | | | 1889 | BRA | 1.00 | 1 | 0.59 | 15 | 8.85 | | | Yaguana, Daniel | | | 1728 | ECU | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Branchini, Fernando Luis Sakamoto | | | 1894 | BRA | 1.00 | 1 | 0.59 | 15 | 8.85 | | | Hughes, John L | | | 2019 | USA | 0.50 | 1 | 0.25 | 15 | 3.75 | |
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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