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Individual Calculations September 2013 |
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| Riordan, Charles Total change: -11.55 | |   |
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| 2013 MetroWest Chess Club Independence Day Swiss | Natick, Massachusetts | USA | 2013-07-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2069 | 2315 | 2.00 | 3 | -0.37 | 15 | -5.55 | |
|  Times, Lawyer | | | 2055 | USA | 1.00 | 1 | 0.18 | 15 | 2.70 | |  Brattain, Mika A | | | 2215 | USA | 0.00 | 1 | -0.64 | 15 | -9.60 | | | Arun, Siddharth | | | 1938 | USA | 1.00 | 1 | 0.09 | 15 | 1.35 | |
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) | | | | 43rd Annual Continental Open | Sturbridge, Massachusetts | USA | 2013-08-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2147 | 2297 | 1.00 | 2 | -0.40 | 15 | -6.00 | |
| | Liu, Andrew | | | 2204 | USA | 0.50 | 1 | -0.13 | 15 | -1.95 | | | Balakrishnan, Praveen | | | 2089 | USA | 0.50 | 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) | | |
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