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Individual Calculations February 2013 |
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| Girardo, Christopher Total change: 6.60 | |   |
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| 2012 Tim Just Winter Open | Oak Brook, Illinois | USA | 2013-01-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1981 | 1870 | 0.50 | 2 | -0.23 | 15 | -3.45 | |
|  Macenis, Audrius | | | 2131 | LTU | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Ulrich, Rachel J | | | 1831 | USA | 0.50 | 1 | -0.05 | 15 | -0.75 | |
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) | | | | 16th NACA Amateur | Skokie, Illinois | USA | 2013-01-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1746 | 1870 | 2.00 | 2 | 0.67 | 15 | 10.05 | |
|  Kosteris, Dimitri | | | 1792 | USA | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Delay, Joe | | | 1700 | USA | 1.00 | 1 | 0.28 | 15 | 4.20 | |
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) | | |
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