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Individual Calculations March 2012 |
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| Feng, Roland Total change: 73.95 | |   |
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| 21st Annual North American Open - U2300 Section | Las Vegas, Nevada | USA | 2011-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2179 | 2016 | 2.00 | 4 | 0.84 | 30 | 25.20 | |
|  Perepelitsky, Edward | | | 2158 | USA | 0.00 | 1 | -0.31 | 30 | -9.30 | |  Jones, Craig W | | | 2204 | USA | 1.00 | 1 | 0.74 | 30 | 22.20 | | | Plotkin, David | | | 2113 | USA | 0.50 | 1 | 0.13 | 30 | 3.90 | | | Adams, Nicholas A | | | 2241 | USA | 0.50 | 1 | 0.28 | 30 | 8.40 | |
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) | | | NOTE: K factor changed | | 2012 Washington State Championship - Premier | Seattle, Washington | USA | 2012-02-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2071 | 2011 | 7.00 | 9 | 3.25 | 15 | 48.75 | |
| | Gottlieb, Ethan | | | 2065 | USA | 1.00 | 1 | 0.58 | 15 | 8.70 | | | Sen, Samir | | | 2128 | USA | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Xing, Casey | | | 1993 | USA | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Wang, Michael | | | 2077 | USA | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Lee, Megan | | | 2080 | USA | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Rupel, David Gene | | | 2125 | USA | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Airapetian, Chouchanik | | wf | 2127 | USA | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Van Dyke, Patrick | | | 1867 | USA | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Macgregor, Michael | | | 2178 | USA | 0.00 | 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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