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Individual Calculations January 2019 |
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| Walder, Michael Total change: -23.20 | |   |
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| 2018 Berkeley Club Championship | Berkeley, California | USA | 2018-10-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1891 | 1919 | 3.00 | 6 | -0.18 | 20 | -3.60 | |
|  Chalissery, Jossy | | | 1553 | USA | 1.00 | 1 | 0.10 | 20 | 2.00 | |  Oconnor, Derek | | | 2239 | USA | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Glasscoe, Alan | | | 1577 | USA | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Kim, Isaiah | | | 2044 | USA | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Lesquillier, Walter | | | 1614 | USA | 0.50 | 1 | -0.36 | 20 | -7.20 | | | Jirasek, Ladia | f | | 2319 * | USA | 0.00 | 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 2018 Tuesday Night Marathon | San Francisco, California | USA | 2018-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1519 | 1919 | 1.00 | 1 | 0.08 | 20 | 1.60 | |
| | James, Charles | | | 1519 * | 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) | | | | GM Igor Ivanov Weekender | Berkeley, California | USA | 2018-12-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1994 | 1884 | 0.00 | 3 | -1.06 | 20 | -21.20 | |
| | Kim, Isaiah | | | 2002 | USA | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Li, Beilin | | | 2085 | USA | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Senthilkumar, Pranav | c | | 1895 | USA | 0.00 | 1 | -0.48 | 20 | -9.60 | |
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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