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Individual Calculations July 2009 |
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| Aigner, Michael Total change: -3.45 | |   |
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| 9th Annual Sands Regency Reno - Far West Open | Reno, Nevada | USA | 2009-04-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2120 | 2243 | 0.50 | 1 | -0.17 | 15 | -2.55 | |
|  Naroditsky, Alan J | | | 2120 | USA | 0.50 | 1 | -0.17 | 15 | -2.55 | |
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) | | | | 18th Annual Chicago Open - U2300 Section | Wheeling, Illinois | USA | 2009-05-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2103 | 2243 | 4.00 | 6 | -0.06 | 15 | -0.90 | |
| | Pappu, Ananth | | | 2149 | USA | 0.50 | 1 | -0.13 | 15 | -1.95 | |  Rabin, Evan Z | | | 2033 | USA | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Terrie, Henry L | | | 2089 | USA | 0.50 | 1 | -0.21 | 15 | -3.15 | | | Anderson, Renard W | f | | 2192 | USA | 0.00 | 1 | -0.57 | 15 | -8.55 | | | Amarasinghe, Prashantha N | | | 1930 | SRI | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Cardona, Liulia | | wf | 2226 | CUB | 1.00 | 1 | 0.48 | 15 | 7.20 | |
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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