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Individual Calculations June 2018 |
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| Winslow, Elliott Total change: -57.20 | |   |
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| GM Koltanowski Marathon | Berkeley, California | USA | 2018-03-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1964 | 2243 | 5.00 | 7 | -0.68 | 20 | -13.60 | |
|  Cortinas, Martin | | | 1843 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Anderson, Michael | | | 1843 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Walder, Michael | | | 1961 | USA | 0.00 | 1 | -0.84 | 20 | -16.80 | | | Lope, Greg | | | 1912 | USA | 1.00 | 1 | 0.12 | 20 | 2.40 | | | O`connor, Derek | | | 2156 | USA | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Poehlmann, Roger | | | 2189 | USA | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Acosta, Anthony | | | 1843 * | USA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | * 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) | | | | Spring 2018 Tuesday Night Marathon | San Francisco, California | USA | 2018-03-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2029 | 2243 | 3.50 | 6 | -0.92 | 20 | -18.40 | |
| | Erickson, Lane | | | 1843 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Wonsever, James | | | 1843 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Chambers, Ezra | f | | 2163 | BDI | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Cheng, Alfonso | | | 1905 | USA | 0.50 | 1 | -0.38 | 20 | -7.60 | | | O`connor, Derek | | | 2156 | USA | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Diaz, Conrado | | | 2266 | PHI | 0.00 | 1 | -0.47 | 20 | -9.40 | | | * 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) | | | | Berkeley Weekender May 2018 | Berkeley, California | USA | 2018-05-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1911 | 2252 | 0.50 | 2 | -1.26 | 20 | -25.20 | |
| | Wu, Rochelle | | wc | 1970 | USA | 0.50 | 1 | -0.34 | 20 | -6.80 | | | Lu, Joshua | | | 1852 * | USA | 0.00 | 1 | -0.92 | 20 | -18.40 | | | * 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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