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Individual Calculations October 2008 |
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| Roua, Radu Total change: 7.35 | |   |
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| 2008 Oregon Championship | Portland, Oregon | USA | 2008-06-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2138 | 2249 | 7.00 | 9 | 1.23 | 15 | 18.45 | |
|  Russell, Corey J | f | | 2211 | USA | 1.00 | 1 | 0.45 | 15 | 6.75 | |  Gay, Daniel Zachary | | | 2000 | USA | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Janniro, Mike | | | 2090 | USA | 0.50 | 1 | -0.21 | 15 | -3.15 | | | Foster, Raleigh Franc | | | 2115 | USA | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Raptis, Nick John | f | | 2259 | USA | 0.00 | 1 | -0.49 | 15 | -7.35 | | | Morris, Michael J | | | 2181 | USA | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Jacobi, Gunther James | | | 1964 | USA | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Bricher, James | | | 2149 | USA | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Brownell, Landon | | | 2277 | USA | 0.50 | 1 | 0.04 | 15 | 0.60 | |
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) | | | | Washington vs Oregon | Hoquiam, Washington | USA | 2008-07-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2313 | 2234 | 1.00 | 2 | 0.22 | 15 | 3.30 | |
| | Roper, David C | f | | 2313 | USA | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Roper, David C | f | | 2313 | USA | 0.50 | 1 | 0.11 | 15 | 1.65 | |
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) | | | | 57th Annual Oregon Open | Gresham, Oregon | USA | 2008-08-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2119 | 2234 | 1.00 | 3 | -0.96 | 15 | -14.40 | |
| | Gutman, Richard | | | 2090 | USA | 0.50 | 1 | -0.19 | 15 | -2.85 | | | Gay, Daniel | | | 2086 | USA | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Morris, Mike | | | 2181 | USA | 0.00 | 1 | -0.57 | 15 | -8.55 | |
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) | | |
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