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Individual Calculations April 2015 |
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| Alexander, Michael Total change: -13.20 | |   |
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| 37th Annual Marchand Open | Rochester, New York | USA | 2015-03-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1889 | 1823 | 1.00 | 4 | -0.66 | 20 | -13.20 | |
|  Phelps, David B | | | 1957 | USA | 0.50 | 1 | 0.18 | 20 | 3.60 | | | Luce, Eric J | | | 2002 | USA | 0.50 | 1 | 0.23 | 20 | 4.60 | |  Peng, Jackie | | wm | 1914 | CAN | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Peng, Janet | | | 1684 | CAN | 0.00 | 1 | -0.69 | 20 | -13.80 | |
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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