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Individual Calculations January 2020 |
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| Winslow, Elliott Total change: -9.00 | |   |
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| Berkeley Club Championship 2019 | Berkeley, California | USA | 2019-10-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2000 | 2101 | 5.00 | 7 | 0.69 | 20 | 13.80 | |
|  Maser, Thomas F | | | 1868 | USA | 1.00 | 1 | 0.21 | 20 | 4.20 | |  Jirasek, Ladia | m | | 2366 | USA | 0.50 | 1 | 0.32 | 20 | 6.40 | | | Gaffagan, Steven | | | 1983 | USA | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Heredia, Carla | | wg | 2126 | ECU | 0.50 | 1 | 0.03 | 20 | 0.60 | | | Poehlmann, Roger M | | | 2133 | USA | 0.00 | 1 | -0.46 | 20 | -9.20 | | | Dutter, Fredric | | | 1823 | USA | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Agdamag, Samuel | | | 1701 * | 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) | | | | Fall 2019 Tuesday Night Marathon | San Francisco, California | USA | 2019-10-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1885 | 2101 | 5.00 | 8 | -1.11 | 20 | -22.20 | |
| | Lehman, Clarence | | | 1745 | USA | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Boldi, Ethan | | | 1835 | USA | 0.00 | 1 | -0.82 | 20 | -16.40 | | | Clemens, Kristian | | | 1911 | USA | 0.00 | 1 | -0.75 | 20 | -15.00 | | | Pane, Gianluca | | | 1866 | USA | 0.00 | 1 | -0.79 | 20 | -15.80 | | | Thieme, Steffen | | | 2016 | GER | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Jensen, Christian | | | 1804 | USA | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Walder, Michael | | | 1922 | USA | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Gaffagan, Steven | | | 1983 | USA | 1.00 | 1 | 0.34 | 20 | 6.80 | |
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) | | | | 2019 GM Igor Ivanov Weekender | Berkeley, California | USA | 2019-12-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1845 | 2085 | 1.50 | 2 | -0.03 | 20 | -0.60 | |
| | Boldi, Ethan | | | 2004 | USA | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Mishkin, Viktor | | | 1685 * | 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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