Individual Calculations July 2012 |
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Cen, Kent Y Total change: 12.90 | | |
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10th NA Amateur | Skokie, Illinois | USA | 2012-05-05 |
Rc | Ro | w | n | change | K | K*chg | Game |
1915 | 2023 | 2.00 | 3 | 0.06 | 30 | 1.80 | |
| Baumgartner, Chris | | | 1851 | USA | 1.00 | 1 | 0.27 | 30 | 8.10 | | Sergatskov, Dmitri | | | 1988 | USA | 0.00 | 1 | -0.55 | 30 | -16.50 | | Bian, Alex | | | 1905 | USA | 1.00 | 1 | 0.34 | 30 | 10.20 | | 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) | | 11th NACA Amateur | Skokie, Illinois | USA | 2012-06-02 |
Rc | Ro | w | n | change | K | K*chg | Game |
1925 | 2023 | 1.00 | 1 | 0.37 | 30 | 11.10 | |
| Qazi, Rafeh R | | | 1925 | USA | 1.00 | 1 | 0.37 | 30 | 11.10 | | 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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