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Individual Calculations September 2009 |
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| Abrahamyan, Tatev Total change: 2.25 | |   |
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| Southern California Championship Candidates | Garden Grove, California | USA | 2009-06-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2143 | 2273 | 3.50 | 4 | 0.82 | 15 | 12.30 | |
|  Huang, Vincent | | | 2051 | USA | 1.00 | 1 | 0.22 | 15 | 3.30 | |  Tanaka, Christian | | | 2183 | USA | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Yurenok, Sergey | | | 2231 | USA | 1.00 | 1 | 0.44 | 15 | 6.60 | | | He, Tianyi | | | 2107 | USA | 0.50 | 1 | -0.22 | 15 | -3.30 | |
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) | | | | 49th Annual Pacific Southwest Open | Los Angeles, California | USA | 2009-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2206 | 2273 | 0.50 | 2 | -0.67 | 15 | -10.05 | |
| | Kurosaki, Takashi | | | 2121 | USA | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Landaw, Julian W | | | 2291 | USA | 0.00 | 1 | -0.47 | 15 | -7.05 | |
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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