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Individual Calculations November 2010 |
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| Privman, Boris Total change: -3.90 | |   |
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| 42nd Annual Atlantic Open | Washington DC | USA | 2010-08-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1979 | 2122 | 1.00 | 2 | -0.38 | 15 | -5.70 | |
|  Saperstein, Craig M | | | 1944 | USA | 0.50 | 1 | -0.23 | 15 | -3.45 | |  Dai, Yang | | | 2013 | USA | 0.50 | 1 | -0.15 | 15 | -2.25 | |
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) | | | | 2010Marshall September Grand Prix | New York, New York | USA | 2010-09-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2207 | 2121 | 0.50 | 1 | 0.12 | 15 | 1.80 | |
| | Bodek, Michael H | | | 2207 | USA | 0.50 | 1 | 0.12 | 15 | 1.80 | |
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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