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Individual Calculations October 2008 |
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| De, Fotis Gary C Total change: -25.50 | |   |
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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 |
| 2219 | 2154 | 3.00 | 8 | -0.29 | 15 | -4.35 | |
|  Moncayo, Evelyn | | wm | 2182 | ECU | 0.50 | 1 | 0.04 | 15 | 0.60 | |  Fiedler, Brian | | | 2160 | CAN | 0.50 | 1 | 0.01 | 15 | 0.15 | | | Karklins, Andrew | f | | 2294 | USA | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Wolf, Dan | | | 2295 | ISR | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Rodriguez, Eric | | | 2250 | USA | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Lopez Ii, Nelson M | | | 2149 | USA | 0.50 | 1 | -0.01 | 15 | -0.15 | | | Zepeda, Lorena | | wm | 2176 | ESA | 0.00 | 1 | -0.47 | 15 | -7.05 | | | Anderson, Renard W | f | | 2246 | USA | 0.50 | 1 | 0.13 | 15 | 1.95 | |
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) | | | | 40th Annual Atlantic Open | Washington, DC | USA | 2008-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2171 | 2154 | 0.50 | 4 | -1.41 | 15 | -21.15 | |
| | Uesugi, Shinsaku | | | 2227 | JPN | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Reichstein, Boris | f | | 2165 | USA | 0.00 | 1 | -0.48 | 15 | -7.20 | | | Guo, Gill Y | | | 2106 | USA | 0.50 | 1 | -0.07 | 15 | -1.05 | | | Lu, Edward J | | | 2185 | USA | 0.00 | 1 | -0.46 | 15 | -6.90 | |
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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