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Individual Calculations August 2012 |
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| Katz, Alexander R Total change: 37.80 | |   |
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| 40th Annual World Open - U2400 Section | Philadelphia, Pennsylvania | USA | 2012-07-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2260 | 2174 | 4.00 | 4 | 2.47 | 15 | 37.05 | |
|  Vazquez, Raul | f | | 2292 | PUR | 1.00 | 1 | 0.66 | 15 | 9.90 | |  Khamroev, Ravshan | | | 2288 | UZB | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Mo, Kevin | | | 2233 | USA | 1.00 | 1 | 0.58 | 15 | 8.70 | | | Gu, Christopher | | | 2225 | USA | 1.00 | 1 | 0.57 | 15 | 8.55 | |
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) | | | | 2012 MCC July Grand Prix | New York, New York | USA | 2012-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2199 | 2174 | 1.00 | 2 | 0.05 | 15 | 0.75 | |
| | Sarkar, Justin | m | | 2396 | USA | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Kopiecki, Edward P | | | 2001 | 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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