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Individual Calculations March 2013 |
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| Nguyen, Tam Total change: 16.50 | |   |
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| 2012 NACA Thanksgiving Amateur | Skokie, Illinois | USA | 2012-11-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1902 | 2095 | 4.00 | 5 | 0.33 | 30 | 9.90 | |
|  Vitkauskas, Vytautas | | | 1704 | USA | 1.00 | 1 | 0.09 | 30 | 2.70 | |  Stevanovic, Miomir | | | 1882 | USA | 1.00 | 1 | 0.23 | 30 | 6.90 | | | Zinski, Maximilian | | | 1941 | USA | 1.00 | 1 | 0.29 | 30 | 8.70 | | | Tutush, Dusan | | | 1954 | USA | 1.00 | 1 | 0.31 | 30 | 9.30 | | | Cen, Kent Y | | | 2030 | USA | 0.00 | 1 | -0.59 | 30 | -17.70 | |
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) | | | | 15th NACA Amateur | Skokie, Illinois | USA | 2012-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1870 | 2095 | 1.00 | 1 | 0.22 | 30 | 6.60 | |
| | Girardo, Christopher | | | 1870 | USA | 1.00 | 1 | 0.22 | 30 | 6.60 | |
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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