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Individual Calculations April 2008 |
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| Carreras, Paulina Total change: -1.95 | |   |
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| North America Youth Chess Championship Girls Under 18 | Aguascalientes, Ags | MEX | 2007-10-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1877 | 2014 | 1.50 | 2 | 0.14 | 15 | 2.10 | |
|  Carpio Recinos, Socorro | | | 1877 | MEX | 1.00 | 1 | 0.32 | 15 | 4.80 | |  Carpio Recinos, Socorro | | | 1877 | MEX | 0.50 | 1 | -0.18 | 15 | -2.70 | |
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) | | | | Susan Polgar International Open | Brownsville, Texas | USA | 2008-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2180 | 2004 | 0.00 | 1 | -0.27 | 15 | -4.05 | |
| | Morales, Luciana | | wm | 2180 | PER | 0.00 | 1 | -0.27 | 15 | -4.05 | |
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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