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Individual Calculations September 2011 |
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| Matlin, Anna R Total change: 26.25 | |   |
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| 39th Annual World Open - U2400 Section | Philadelphia, Pennsylvania | USA | 2011-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2145 | 1961 | 3.00 | 7 | 1.10 | 15 | 16.50 | |
|  Mabe, Chris J | | | 2229 | USA | 1.00 | 1 | 0.83 | 15 | 12.45 | |  Adamson, Robby | f | | 2328 | USA | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Treger, Yefim | | | 2181 | USA | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Sana, Mariano | | | 2135 | USA | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Terrie, Henry L | | | 2075 | USA | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Hua, David A | | | 2040 | USA | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Strenzwilk, Denis | | | 2027 | USA | 1.00 | 1 | 0.59 | 15 | 8.85 | |
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) | | | | 2011 Marshall July Grand Prix | New York, New York | USA | 2011-07-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2280 | 1963 | 0.00 | 1 | -0.13 | 15 | -1.95 | |
| | Pressman, Leif A | | | 2280 | USA | 0.00 | 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) | | | | 2011 Manhattan Open - U2300 Section | New York, New York | USA | 2011-08-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2122 | 1963 | 2.00 | 4 | 0.78 | 15 | 11.70 | |
| | Figler, Ilye | m | | 2304 | USA | 0.50 | 1 | 0.38 | 15 | 5.70 | | | Kats, Alena | | wf | 2097 | USA | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Barsky, Sam A | | | 2044 | USA | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Colas, Joshua | | | 2041 | USA | 1.00 | 1 | 0.61 | 15 | 9.15 | |
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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