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Individual Calculations September 2009 |
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| Yurenok, Sergey Total change: 5.50 | |   |
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| Southern California Championship Candidates | Garden Grove, California | USA | 2009-06-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2166 | 2231 | 3.00 | 4 | 0.66 | 25 | 16.50 | |
|  Kitagami, Show | | | 2045 | USA | 1.00 | 1 | 0.26 | 25 | 6.50 | |  Gutman, Joshua | | | 2138 | USA | 1.00 | 1 | 0.37 | 25 | 9.25 | | | Abrahamyan, Tatev | | wf | 2273 | USA | 0.00 | 1 | -0.44 | 25 | -11.00 | | | Yanayt, Eugene | f | | 2207 | USA | 1.00 | 1 | 0.47 | 25 | 11.75 | |
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) | | | | 14th Annual Pacific Coast Open | Agoura Hills, California | USA | 2009-07-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2280 | 2248 | 0.50 | 2 | -0.44 | 25 | -11.00 | |
| | Sevillano, Enrico | m | | 2528 | USA | 0.00 | 1 | -0.16 | 25 | -4.00 | | | Popova, Elena | | | 2031 | RUS | 0.50 | 1 | -0.28 | 25 | -7.00 | |
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) | | |
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