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Individual Calculations July 2008 |
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| Karagianis, Petros Total change: -10.50 | |   |
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| 2008 Frank K Berry U.S. Championship - Qualifier Fide Open | Tulsa, Oklahoma | USA | 2008-03-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2259 | 2201 | 1.50 | 5 | -0.64 | 15 | -9.60 | |
|  Robson, Ray | f | | 2389 | USA | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Burnett, Ronald | m | | 2371 | USA | 0.00 | 1 | -0.28 | 15 | -4.20 | |  Itkis, Hana | | wf | 2065 | USA | 0.50 | 1 | -0.18 | 15 | -2.70 | | | Mackenzie, Dana | | | 2117 | USA | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Bonin, Jay | m | | 2351 | USA | 0.00 | 1 | -0.30 | 15 | -4.50 | |
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) | | | | 2008 Iowa Closed | Ames, Iowa | USA | 2008-04-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2038 | 2201 | 3.50 | 5 | -0.06 | 15 | -0.90 | |
| | Juett, Jason Robert | | | 2015 | USA | 0.50 | 1 | -0.24 | 15 | -3.60 | | | Brashaw, Dan | | | 2086 | USA | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Mc, Entee Tim R | | | 2147 | USA | 0.50 | 1 | -0.08 | 15 | -1.20 | | | Harrington-Taber, Tim | | | 1949 | USA | 0.50 | 1 | -0.31 | 15 | -4.65 | | | Madison, Jeremy M | | | 1994 | 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) | | |
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