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Individual Calculations June 2018 |
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| Jensen, Christian Total change: 17.40 | |   |
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| GM Koltanowski Marathon | Berkeley, California | USA | 2018-03-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1523 | 1793 | 2.50 | 3 | 0.03 | 20 | 0.60 | |
|  Shaughnessy, Elizabeth | | | 1472 | IRL | 0.50 | 1 | -0.37 | 20 | -7.40 | |  Carter, Evan | | | 1550 | USA | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Waharte, Louka | | | 1548 | FRA | 1.00 | 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) | | | | Spring 2018 Tuesday Night Marathon | San Francisco, California | USA | 2018-03-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1822 | 1793 | 4.00 | 6 | 1.09 | 20 | 21.80 | |
| | James, Charles | | | 1460 | USA | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Stearman, Josiah | f | | 2193 * | USA | 0.50 | 1 | 0.42 | 20 | 8.40 | | | Donnelly, Patrick | | | 1678 | USA | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Ivanov, Aleksandr | | | 2136 | USA | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Robeal, Rafik | | | 1669 | USA | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Elisman, Maxim | | | 1795 | USA | 0.50 | 1 | 0.00 | 20 | 0.00 | | | * 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 |
| 1946 | 1757 | 0.00 | 1 | -0.25 | 20 | -5.00 | |
| | Vidyarthi, Vyom | | | 1946 | USA | 0.00 | 1 | -0.25 | 20 | -5.00 | |
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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