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Individual Calculations September 2009 |
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| Hua, David A Total change: 66.25 | |   |
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| 37th Annual World Open - Under 2400 Section | Philadelphia, Pennsylvania | USA | 2009-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2187 | 1853 | 3.50 | 7 | 2.65 | 25 | 66.25 | |
|  Karklins, Andrew | f | | 2203 | USA | 0.00 | 1 | -0.11 | 25 | -2.75 | |  Fink Jr, Stanley W | | | 2148 | USA | 1.00 | 1 | 0.85 | 25 | 21.25 | | | Acor, Corey | | | 2203 | USA | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Erdei, Andras A | | | 2159 | HUN | 1.00 | 1 | 0.86 | 25 | 21.50 | | | Madsen, Dag | f | | 2203 | NOR | 0.50 | 1 | 0.39 | 25 | 9.75 | | | Anderson, Renard W | f | | 2192 | USA | 0.50 | 1 | 0.38 | 25 | 9.50 | | | Parry, Matt J | | | 2203 | USA | 0.50 | 1 | 0.39 | 25 | 9.75 | |
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) | | |
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