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Individual Calculations September 2010 |
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| Margulis, Yevgeni Total change: -17.70 | |   |
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| 38th Annual World Open - U2400 Section | King of Prussia, Pennsylvania | USA | 2010-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2117 | 2173 | 1.00 | 3 | -0.63 | 15 | -9.45 | |
|  Nikolayev, Igor A | f | | 2289 | USA | 0.00 | 1 | -0.34 | 15 | -5.10 | |  Ostrovskiy, Aleksandr | c | | 2254 | USA | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Chiang, Sarah | | wc | 1808 | USA | 1.00 | 1 | 0.10 | 15 | 1.50 | |
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) | | | | Marshall July Grand Prix | New York, New York | USA | 2010-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2079 | 2173 | 0.00 | 1 | -0.63 | 15 | -9.45 | |
| | Berg, George P | | | 2079 | USA | 0.00 | 1 | -0.63 | 15 | -9.45 | |
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) | | | | Not the US Open Grand Prix | New York, New York | USA | 2010-08-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2203 | 2173 | 1.00 | 2 | 0.08 | 15 | 1.20 | |
| | Bonin, Jay R | m | | 2314 | USA | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Fitzko, Mitchell | | | 2091 | USA | 1.00 | 1 | 0.39 | 15 | 5.85 | |
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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