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Individual Calculations April 2009 |
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| Kelley, Dereque D Total change: 50.00 | |   |
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| 18th Annual North American Open | Las vegas, Nevada | USA | 2008-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2202 | 2099 | 3.00 | 7 | 0.47 | 25 | 11.75 | |
|  Ye, Ling F | | | 2188 | CAN | 0.50 | 1 | 0.12 | 25 | 3.00 | |  Small, Gregg H | | | 2240 | USA | 0.00 | 1 | -0.31 | 25 | -7.75 | | | Haessel, Dale R | f | | 2199 | CAN | 1.00 | 1 | 0.64 | 25 | 16.00 | | | Parry, Matt J | | | 2261 | USA | 0.00 | 1 | -0.29 | 25 | -7.25 | | | Jones, Craig W | | | 2283 | USA | 0.50 | 1 | 0.24 | 25 | 6.00 | | | Bernardino Jr, Almario | | | 2169 | PHI | 0.50 | 1 | 0.10 | 25 | 2.50 | | | Mackinnon, Keith | | | 2076 | CAN | 0.50 | 1 | -0.03 | 25 | -0.75 | |
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 State Championship (Premier) | Redmond, Washington | USA | 2009-02-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2143 | 2099 | 5.50 | 9 | 1.53 | 25 | 38.25 | |
| | Xing, Kerry | | | 2219 | USA | 1.00 | 1 | 0.66 | 25 | 16.50 | | | Guo, Alex | | | 2121 | USA | 0.50 | 1 | 0.03 | 25 | 0.75 | | | Gale, Geoffrey W | | | 2171 | USA | 1.00 | 1 | 0.60 | 25 | 15.00 | | | Mac Gregor, Michael | | | 2220 | USA | 0.00 | 1 | -0.34 | 25 | -8.50 | | | Lee, Nathan Y | | | 2084 | USA | 0.50 | 1 | -0.02 | 25 | -0.50 | | | Cloy Ii, Elston L | | | 2095 | USA | 1.00 | 1 | 0.49 | 25 | 12.25 | | | Smith, Allen S | | | 1984 | USA | 1.00 | 1 | 0.34 | 25 | 8.50 | | | Bartron, Paul R | f | | 2201 | USA | 0.50 | 1 | 0.14 | 25 | 3.50 | | | Pupols, Viktors | | | 2192 | USA | 0.00 | 1 | -0.37 | 25 | -9.25 | |
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) | | |
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