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Individual Calculations June 2018 |
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| Poehlmann, Roger Total change: 7.60 | |   |
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| GM Koltanowski Marathon | Berkeley, California | USA | 2018-03-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1931 | 2189 | 5.00 | 7 | -0.44 | 20 | -8.80 | |
|  Shrauger, Alex | | | 1789 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Glasscoe, Alan | | | 1789 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | O`connor, Derek | | | 2156 | USA | 0.00 | 1 | -0.55 | 20 | -11.00 | | | Lesquillier, Walter | | | 1789 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Walder, Michael | | | 1961 | USA | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Winslow, Elliott | m | | 2243 | USA | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Yanofsky, Kevin | | | 1789 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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 |
| 1882 | 2162 | 4.00 | 4 | 0.82 | 20 | 16.40 | |
| | Sartorio, William | | | 1805 | USA | 1.00 | 1 | 0.11 | 20 | 2.20 | | | O`connor, Derek | | | 2196 | USA | 1.00 | 1 | 0.55 | 20 | 11.00 | | | Sivakumar, Shaashwath | | | 1762 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Lu, Joshua | | | 1764 | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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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