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Individual Calculations November 2011 |
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| Kosteris, Dimitri Total change: -24.90 | |   |
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| 2011 Illinois Open Championship | Oak Brook, Illinois | USA | 2011-09-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1879 | 1827 | 0.00 | 3 | -1.28 | 15 | -19.20 | |
|  Dixon, Jeff S | | | 1927 | USA | 0.00 | 1 | -0.36 | 15 | -5.40 | |  Cox, Douglas | | | 1804 | USA | 0.00 | 1 | -0.53 | 15 | -7.95 | | | Wei, James | | | 1906 | USA | 0.00 | 1 | -0.39 | 15 | -5.85 | |
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) | | | | 7th North American Amateur Open | Skokie, Illinois | USA | 2011-09-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1916 | 1827 | 0.00 | 1 | -0.38 | 15 | -5.70 | |
| | Bian, Alex | | | 1916 | USA | 0.00 | 1 | -0.38 | 15 | -5.70 | |
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) | | |
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