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Individual Calculations October 2008 |
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| Ellenbogen, Michael J Total change: -6.30 | |   |
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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 |
| 2225 | 2174 | 3.00 | 7 | -0.02 | 15 | -0.30 | |
|  Kaufman, Raymond S | f | | 2359 | USA | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Zepeda, Lorena | | wm | 2176 | ESA | 0.00 | 1 | -0.50 | 15 | -7.50 | |  Iwu, Okechukwu A | | | 2173 | USA | 0.00 | 1 | -0.50 | 15 | -7.50 | | | Agarwal, Rohan | | | 2196 | USA | 0.50 | 1 | 0.03 | 15 | 0.45 | | | Storch, Lawrence A | | | 2184 | USA | 1.00 | 1 | 0.51 | 15 | 7.65 | | | Anderson, Renard W | f | | 2246 | USA | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Bouzoukis, Charles | | | 2244 | USA | 1.00 | 1 | 0.60 | 15 | 9.00 | |
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) | | | | Continental Open | Sturbridge, MA | USA | 2008-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2250 | 2157 | 2.00 | 5 | 0.11 | 15 | 1.65 | |
| | Bady, Glenn | | | 2252 | USA | 1.00 | 1 | 0.63 | 15 | 9.45 | | | Kelleher, William | f | | 2360 | USA | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Sharp, Dale Eugene | | | 2063 | USA | 0.00 | 1 | -0.63 | 15 | -9.45 | | | Rueda, Libardo | | | 2226 | USA | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Shmelov, Denys Kostan | | | 2349 | UKR | 0.00 | 1 | -0.25 | 15 | -3.75 | |
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) | | | | 40th Annual Atlantic Open | Washington, DC | USA | 2008-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2149 | 2157 | 0.00 | 1 | -0.51 | 15 | -7.65 | |
| | Thaler, Michael | | | 2149 | USA | 0.00 | 1 | -0.51 | 15 | -7.65 | |
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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