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Individual Calculations October 2008 |
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| Mc Carthy, Brian Total change: -5.55 | |   |
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| 50th Gem City Open | Dayton, Ohio | USA | 2008-06-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1949 | 2234 | 1.00 | 1 | 0.16 | 15 | 2.40 | |
|  Friedman, David | | | 1949 | USA | 1.00 | 1 | 0.16 | 15 | 2.40 | |
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) | | | | 64th Annual Ohio Chess Congress | Columbus, Ohio | USA | 2008-08-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2103 | 2234 | 1.50 | 3 | -0.53 | 15 | -7.95 | |
| | Dowling, John | | | 2070 | USA | 0.50 | 1 | -0.22 | 15 | -3.30 | |  Rea, Andrew B | | | 2157 | USA | 0.50 | 1 | -0.11 | 15 | -1.65 | | | Varadaraj, Srikar | | | 2083 | USA | 0.50 | 1 | -0.20 | 15 | -3.00 | |
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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