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Individual Calculations January 2015 |
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| Pupols, Viktors Total change: -22.20 | |   |
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| 2014 Oregon Open | Portland, Oregon | USA | 2014-08-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2015 | 2072 | 1.50 | 3 | -0.21 | 20 | -4.20 | |
|  Stern-Rodriguez, E | | | 1792 | USA | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Raptis, Nick | f | | 2309 | USA | 0.50 | 1 | 0.30 | 20 | 6.00 | |  Lampman, Becca | | | 1943 | USA | 0.00 | 1 | -0.67 | 20 | -13.40 | |
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) | | | | 32nd Annual Sands Regency Reno - Western States Open | Reno, Nevada | USA | 2014-10-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2033 | 2072 | 2.50 | 6 | -0.90 | 20 | -18.00 | |
| | Merwin, Steven E | | | 2043 | USA | 1.00 | 1 | 0.46 | 20 | 9.20 | | | Ivanov, Alexander | g | | 2472 * | USA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Biyiasas, Theodore | | | 1910 | USA | 0.00 | 1 | -0.71 | 20 | -14.20 | | | Acon, Jennifer | | | 1833 | USA | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Bick, Gabriel James | | | 1915 | USA | 0.00 | 1 | -0.71 | 20 | -14.20 | | | Romero, Paul L | | | 2027 | USA | 0.50 | 1 | -0.06 | 20 | -1.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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