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Individual Calculations April 2008 |
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| Maffeo, Nicole Total change: -20.25 | |   |
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| North America Youth Chess Championship Girls Under 16 | Aguascalientes, Ags | MEX | 2007-10-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1851 | 2049 | 1.00 | 2 | -0.52 | 15 | -7.80 | |
|  Duran Juarez, Citlali | | | 1860 | MEX | 0.00 | 1 | -0.75 | 15 | -11.25 | |  Solis Luna, Karla Teresa | | | 1841 | MEX | 1.00 | 1 | 0.23 | 15 | 3.45 | |
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) | | | | NY January Open | New York, NY | USA | 2008-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2107 | 2045 | 0.00 | 2 | -0.83 | 15 | -12.45 | |
| | Szuper, Paul | | | 2105 | USA | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Polyakin, Vladimir | | | 2109 | USA | 0.00 | 1 | -0.41 | 15 | -6.15 | |
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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