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Individual Calculations October 2008 |
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| Raptis, Nick Total change: 8.40 | |   |
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| 2008 Oregon Championship | Portland, Oregon | USA | 2008-06-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2137 | 2259 | 6.50 | 9 | 0.61 | 15 | 9.15 | |
|  Janniro, Mike | | | 2090 | USA | 1.00 | 1 | 0.28 | 15 | 4.20 | |  Bricher, James | | | 2149 | USA | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Foster, Raleigh Franc | | | 2115 | USA | 0.50 | 1 | -0.19 | 15 | -2.85 | | | Brownell, Landon | | | 2277 | USA | 0.00 | 1 | -0.47 | 15 | -7.05 | | | Roua, Radu | | | 2249 | ROU | 1.00 | 1 | 0.49 | 15 | 7.35 | | | Russell, Corey J | f | | 2211 | USA | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Morris, Michael J | | | 2181 | USA | 0.50 | 1 | -0.11 | 15 | -1.65 | | | Gay, Daniel Zachary | | | 2000 | USA | 0.50 | 1 | -0.32 | 15 | -4.80 | | | Jacobi, Gunther James | | | 1964 | USA | 1.00 | 1 | 0.15 | 15 | 2.25 | |
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 |
| 2161 | 2262 | 2.50 | 4 | -0.05 | 15 | -0.75 | |
| | Bartron, Paul | f | | 2207 | USA | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Macgregor, Mike | | | 2224 | USA | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Gutman, Richard | | | 2090 | USA | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Heywood, Bill | | | 2122 | USA | 0.00 | 1 | -0.69 | 15 | -10.35 | |
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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