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Individual Calculations January 2010 |
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| Lopez, Erika Esmeralda Total change: 6.00 | |   |
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| Campeonato Nacional Femenino de El Salvador 2009 | San Salvador | ESA | 2009-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1959 | 1822 | 1.00 | 2 | 0.32 | 25 | 8.00 | |
|  Aguilar, Marcela | | | 1809 | ESA | 1.00 | 1 | 0.48 | 25 | 12.00 | |  Zepeda, Lorena | | wm | 2109 | ESA | 0.00 | 1 | -0.16 | 25 | -4.00 | |
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) | | | | Open San Salvador 2009 | San Salvador | ESA | 2009-12-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2222 | 1822 | 0.00 | 1 | -0.08 | 25 | -2.00 | |
| | Leyva, Hector | m | | 2222 * | ESA | 0.00 | 1 | -0.08 | 25 | -2.00 | | | * 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) | | |
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