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Individual Calculations April 2008 |
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| Iwamoto, Takashi Total change: -34.20 | |   |
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| 17th Annual North American Open | Las Vegas, NV | USA | 2007-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2157 | 2309 | 2.00 | 5 | -1.45 | 15 | -21.75 | |
|  Bennett, David | c | | 2226 | USA | 0.00 | 1 | -0.61 | 15 | -9.15 | |  Martinez, Leonardo | | | 2244 | USA | 0.00 | 1 | -0.59 | 15 | -8.85 | | | Acon, Jennifer | | | 1959 | USA | 0.00 | 1 | -0.89 | 15 | -13.35 | | | Vicary, Elizabeth | | wf | 2153 | USA | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Schoonmaker, Nicholas | c | | 2202 | USA | 1.00 | 1 | 0.35 | 15 | 5.25 | |
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) | | | | 25th Annual U.S Amateur Team West | Los Angeles, CA | USA | 2008-02-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2176 | 2300 | 0.50 | 2 | -0.83 | 15 | -12.45 | |
| | Tan, Derek | | | 2123 | USA | 0.00 | 1 | -0.73 | 15 | -10.95 | | | Bryant, John Daniel | | | 2228 | USA | 0.50 | 1 | -0.10 | 15 | -1.50 | |
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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