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Individual Calculations October 2008 |
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| Markzon, Gregory Total change: 25.35 | |   |
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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 |
| 2274 | 2152 | 5.00 | 8 | 2.31 | 15 | 34.65 | |
|  Bonin, Jay | m | | 2368 | USA | 0.50 | 1 | 0.28 | 15 | 4.20 | |  Bruno, Ronald | | | 2221 | USA | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Contreras, Henry | f | | 2238 | COL | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Williams, Christopher | | | 2189 | USA | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Yanayt, Eugene | f | | 2268 | USA | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Bournival, Braden | f | | 2320 | USA | 1.00 | 1 | 0.72 | 15 | 10.80 | | | Schneider, Igor | f | | 2338 | USA | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Liu, Elliott J | f | | 2252 | USA | 0.00 | 1 | -0.36 | 15 | -5.40 | |
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 |
| 2080 | 2164 | 0.00 | 1 | -0.62 | 15 | -9.30 | |
| | Ng, Andrew | | | 2080 | USA | 0.00 | 1 | -0.62 | 15 | -9.30 | |
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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