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Individual Calculations April 2009 |
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| Adu, Oladapo Oluto Total change: 14.85 | |   |
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| 2009 Kingstowne Chess Festival | Alexandria, Virginia | USA | 2009-02-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2122 | 2279 | 1.50 | 2 | 0.08 | 15 | 1.20 | |
|  Magar, Thomas P | | | 2090 | USA | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Samuelson, Andrew | | | 2154 | USA | 0.50 | 1 | -0.17 | 15 | -2.55 | |
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) | | | | 41st Annual Virginia Open | McLean, Virginia | USA | 2009-02-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2166 | 2279 | 3.50 | 4 | 0.91 | 15 | 13.65 | |
|  Mc Intosh, Shawn R | | | 2112 | USA | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Beckman, Thomas J | | | 2060 | USA | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Savage, Allan G | f | | 2186 | USA | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Gorman, Dov | f | | 2306 | 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) | | |
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