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Individual Calculations October 2008 |
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| Collier, Philip M Total change: 7.95 | |   |
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| 36th Annual World Open (U2400 Section) | Philadelphia, Pennsylvania | USA | 2008-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2276 | 2098 | 1.50 | 6 | -0.12 | 15 | -1.80 | |
|  Figler, Ilye | f | | 2341 | USA | 0.50 | 1 | 0.30 | 15 | 4.50 | |  Moncayo, Evelyn | | wm | 2182 | ECU | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Formanek, Edward W | m | | 2264 | USA | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Marquez, Raul G | | | 2261 | ECU | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Rodriguez, Eric | | | 2250 | USA | 0.50 | 1 | 0.20 | 15 | 3.00 | | | Morrison, William | f | | 2360 | USA | 0.50 | 1 | 0.32 | 15 | 4.80 | |
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) | | | | 40th Annual Atlantic Open | Washington, DC | USA | 2008-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2234 | 2098 | 2.00 | 4 | 0.65 | 15 | 9.75 | |
| | Kudrin, Sergey | g | | 2448 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Guo, Gill Y | | | 2106 | USA | 1.00 | 1 | 0.51 | 15 | 7.65 | | | Shibut, Macon A | f | | 2264 | USA | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Chan, Julian M | | | 2118 | USA | 1.00 | 1 | 0.53 | 15 | 7.95 | |
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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