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Individual Calculations September 2009 |
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| Alonso, Francisco Total change: -4.65 | |   |
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| 49th Annual Pacific Southwest Open | Los Angeles, California | USA | 2009-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2327 | 2054 | 0.00 | 2 | -0.36 | 15 | -5.40 | |
|  Donaldson, John | m | | 2394 | USA | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Iwamoto, Takashi | f | | 2260 | USA | 0.00 | 1 | -0.24 | 15 | -3.60 | |
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) | | | | 2009 Central California Open | Fresno, California | USA | 2009-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2196 | 2054 | 1.00 | 3 | 0.05 | 15 | 0.75 | |
| | Roper, David C | f | | 2303 | USA | 1.00 | 1 | 0.81 | 15 | 12.15 | |  Ebenezer, Joseph | | | 2151 | IND | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Liou, Yian | | | 2134 | USA | 0.00 | 1 | -0.39 | 15 | -5.85 | |
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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