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Individual Calculations September 2011 |
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| Chandra, Kevin Total change: 26.40 | |   |
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| 39th Annual World Open - U2200 Section | Philadelphia, Pennsylvania | USA | 2011-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2051 | 1809 | 2.00 | 4 | 1.11 | 15 | 16.65 | |
|  Xu, Yuan | | | 2158 | USA | 0.50 | 1 | 0.39 | 15 | 5.85 | |  Regam, Jessica | | | 1819 | USA | 1.00 | 1 | 0.51 | 15 | 7.65 | | | Polyakin, Vladimir | | | 2097 | USA | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Beilin, Solomon I | | | 2131 | USA | 0.50 | 1 | 0.37 | 15 | 5.55 | |
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) | | | | 2011 US Junior Open - U21 Section | Houston, Texas | USA | 2011-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2096 | 1809 | 1.00 | 2 | 0.65 | 15 | 9.75 | |
| | Harper, Warren T. | f | | 2209 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Lu, Tommy | | | 1982 | USA | 1.00 | 1 | 0.73 | 15 | 10.95 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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