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Individual Calculations November 2010 |
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| Treger, Yefim Total change: -4.50 | |   |
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| 132nd Annual NY State Championship | Albany, New York | USA | 2010-09-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2160 | 2194 | 2.50 | 5 | -0.23 | 15 | -3.45 | |
|  Ellenbogen, Michael J | | | 2119 | USA | 0.50 | 1 | -0.10 | 15 | -1.50 | |  Prilleltensky, Matan | | | 2098 | USA | 0.50 | 1 | -0.13 | 15 | -1.95 | | | Tuhrim, Richard J | | | 2133 | USA | 0.50 | 1 | -0.08 | 15 | -1.20 | | | Leve, Nitai D | | | 2153 | USA | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Korley, Kassa | | | 2296 | USA | 0.00 | 1 | -0.36 | 15 | -5.40 | |
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) | | | | 2010Marshall September Grand Prix | New York, New York | USA | 2010-09-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2043 | 2194 | 2.00 | 2 | 0.61 | 15 | 9.15 | |
| | Margiotta, Jason J | | | 1988 | USA | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Kopiecki, Edward P | | | 2097 | USA | 1.00 | 1 | 0.37 | 15 | 5.55 | |
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) | | | | 2010 Marshall October Grand Prix | New York, New York | USA | 2010-10-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2060 | 2194 | 0.00 | 1 | -0.68 | 15 | -10.20 | |
| | Itkis, Hana | | wf | 2060 | USA | 0.00 | 1 | -0.68 | 15 | -10.20 | |
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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