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Individual Calculations October 2008 |
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| Kats, Alena Total change: 11.75 | |   |
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| XIX Panam.Fest U14 Girls | Carlos Paz, Cordoba | ARG | 2008-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1988 | 1976 | 0.50 | 2 | -0.46 | 25 | -11.50 | |
|  Goldwaser, Romina | | | 1995 | ARG | 0.50 | 1 | 0.03 | 25 | 0.75 | |  Mendoza Velazquez, Lorena Alejand | | | 1981 | MEX | 0.00 | 1 | -0.49 | 25 | -12.25 | |
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) | | | | New York September Open | New York, New York | USA | 2008-09-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2083 | 1969 | 2.00 | 3 | 0.93 | 25 | 23.25 | |
| | Treger, Yefim | | | 2218 | USA | 0.00 | 1 | -0.19 | 25 | -4.75 | | | Robinson, Darrian | | | 1928 | USA | 1.00 | 1 | 0.44 | 25 | 11.00 | | | Katz, Benjamin J | | | 2102 | USA | 1.00 | 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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