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Individual Calculations September 2015 |
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| Katz, Alexander R Total change: 9.40 | |   |
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| 14th Annual Manhattan Open | New York, New York | USA | 2015-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2331 | 2330 | 2.00 | 3 | 0.47 | 20 | 9.40 | |
|  Duarte Diaz, Martire | | | 2174 | DOM | 1.00 | 1 | 0.29 | 20 | 5.80 | |  Chabris, Christopher | | | 2245 | USA | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Izoria, Zviad | g | | 2573 | USA | 0.00 | 1 | -0.20 | 20 | -4.00 | |
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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