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Individual Calculations September 2011 |
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| Sobel, Simone Total change: -22.65 | |   |
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| 51st Annual Pacific Southwest Open | Los Angeles, California | USA | 2011-07-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2056 | 1876 | 0.00 | 3 | -0.79 | 15 | -11.85 | |
|  Nita, Marian N | | | 2049 | USA | 0.00 | 1 | -0.27 | 15 | -4.05 | |  Pena, Pablo D | | | 2065 | USA | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Robertson, Matthew | | | 2055 | USA | 0.00 | 1 | -0.27 | 15 | -4.05 | |
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) | | | | 6th Metropolitan Chess FIDE Qualifier | Los Angeles, California | USA | 2011-07-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2052 | 1876 | 0.50 | 3 | -0.36 | 15 | -5.40 | |
| | Stevens, Lawrence | | | 2056 | USA | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Akopyan, Harutyun | f | | 2213 | USA | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Polsky, Ryan | | | 1888 | USA | 0.00 | 1 | -0.48 | 15 | -7.20 | |
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) | | | | 8th Metropolitain Chess FIDE Qualifier | Los Angeles, California | USA | 2011-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1984 | 1876 | 1.00 | 3 | -0.07 | 15 | -1.05 | |
| | Hall, Bobby J | | | 2044 | USA | 1.00 | 1 | 0.72 | 15 | 10.80 | | | Stevens, Lawrence | | | 2056 | USA | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Beilin, Allan | | | 1851 | USA | 0.00 | 1 | -0.53 | 15 | -7.95 | |
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) | | | | 9th Metropolitan Chess FIDE Qualifier | Los Angeles, CA | USA | 2011-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2044 | 1876 | 0.50 | 1 | 0.22 | 15 | 3.30 | |
| | Hall, Bobby J | | | 2044 | 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) | | | | 11th Metropolitain Chess FIDE Qualifier | Los Angeles, CA | USA | 2011-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1872 | 1876 | 0.00 | 1 | -0.51 | 15 | -7.65 | |
| | Kamgar, Leo | | | 1872 | USA | 0.00 | 1 | -0.51 | 15 | -7.65 | |
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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