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Individual Calculations September 2010 |
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| Iwu, Okechukwu A Total change: -3.00 | |   |
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| 38th Annual World Open - U2400 Section | King of Prussia, Pennsylvania | USA | 2010-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2118 | 2184 | 4.50 | 9 | -0.73 | 15 | -10.95 | |
|  Coleman, Teddy | f | | 2286 | USA | 0.00 | 1 | -0.36 | 15 | -5.40 | |  Robinson, Darrian | | | 1939 | USA | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Andrews, Todd D | f | | 2315 | USA | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Kelleher, Jeff | | | 2087 | USA | 0.00 | 1 | -0.63 | 15 | -9.45 | | | Higgins, Derrick | | | 2094 | USA | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Lein, Anatoly | g | | 2309 | USA | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Itkis, Hana | | wf | 2078 | USA | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Sakai, Hibiki | | | 1986 | JPN | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Chiang, Michael | | | 1970 | USA | 1.00 | 1 | 0.23 | 15 | 3.45 | |
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) | | | | 3rd Annual Chicago Class Championships | Oak Brook, Illinois | USA | 2010-07-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2190 | 2185 | 2.00 | 3 | 0.53 | 15 | 7.95 | |
| | Aliyev, Timur | | | 2254 | ISR | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Markovits, Alex | | | 2102 | USA | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Karklins, Andrew | f | | 2215 | USA | 1.00 | 1 | 0.54 | 15 | 8.10 | |
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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