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Individual Calculations October 2008 |
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| Rea, Andrew B Total change: -4.95 | |   |
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| 109th Annual US Open | Dallas, Texas | USA | 2008-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2060 | 2157 | 2.50 | 4 | 0.00 | 15 | 0.00 | |
|  Antler, Arthur S | | | 2038 | USA | 1.00 | 1 | 0.34 | 15 | 5.10 | |  Guadalupe, Francis | | | 2230 | USA | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Powell, Mitchell | | | 1925 | USA | 0.00 | 1 | -0.79 | 15 | -11.85 | | | Aird, Ian | | | 2046 | SCO | 1.00 | 1 | 0.35 | 15 | 5.25 | |
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) | | | | 64th Annual Ohio Chess Congress | Columbus, Ohio | USA | 2008-08-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2180 | 2157 | 2.00 | 5 | -0.33 | 15 | -4.95 | |
| | Dean, Jim H | f | | 2243 | USA | 0.50 | 1 | 0.12 | 15 | 1.80 | | | Heimann, Alexander | | | 2220 | USA | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Mc Carthy, Brian | | | 2234 | USA | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Stark, Gregg | | | 2061 | USA | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Waidyaratne, Kasun | | | 2144 | USA | 0.00 | 1 | -0.52 | 15 | -7.80 | |
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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