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Individual Calculations October 2008 |
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| Chernin, Oliver Total change: -8.70 | |   |
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| NY August Open | New York, NY | USA | 2008-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2061 | 2159 | 0.50 | 1 | -0.13 | 15 | -1.95 | |
|  Barsky, Sam | | | 2061 | USA | 0.50 | 1 | -0.13 | 15 | -1.95 | |
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) | | | | 130th Annual New York State Championship | Albany, New York | USA | 2008-08-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1987 | 2159 | 1.00 | 2 | -0.45 | 15 | -6.75 | |
|  Gershenov, Ben | | | 1990 | USA | 0.00 | 1 | -0.72 | 15 | -10.80 | | | Ostrovskiy, Anatoly S | | | 1983 | USA | 1.00 | 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) | | |
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