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Individual Calculations January 2009 |
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| Gurevich, Daniel Total change: 0.00 | |   |
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| 17th Annual Kings Island Open | Mason, Ohio | USA | 2008-11-14 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 2108 | 0 | 1.00 | 2 | 0.00 | 2108 | | 0.00 | |
|  Iwu, Okechukwu A | | | 2210 | USA | 0.00 | 1 | 0.00 | | 0.00 | | | Odeh, Kenneth | | | 2005 | NGR | 1.00 | 1 | 0.00 | | 0.00 | |
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) | | | | 39th Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2008-11-28 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 2087 | 0 | 1.00 | 3 | 0.00 | 1962 | | 0.00 | |
|  Ellenbogen, Michael | | | 2151 | USA | 0.00 | 1 | 0.00 | | 0.00 | | | Strenzwilk, Denis | | | 2066 | USA | 0.00 | 1 | 0.00 | | 0.00 | | | Eng, Kenneth | | | 2045 | USA | 1.00 | 1 | 0.00 | | 0.00 | |
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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