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Individual Calculations January 2019 |
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| Kim, Isaiah Total change: -40.00 | |   |
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| 2018 Berkeley Club Championship | Berkeley, California | USA | 2018-10-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1900 | 2044 | 3.50 | 6 | -0.41 | 40 | -16.40 | |
|  Lesquillier, Walter | | | 1644 * | USA | 0.50 | 1 | -0.42 | 40 | -16.80 | |  Winslow, Elliott | m | | 2166 | USA | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Yanofsky, Kevin | | | 1756 | USA | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Walder, Michael | | | 1919 | USA | 0.50 | 1 | -0.17 | 40 | -6.80 | | | Paetz, Mark | | | 1677 | USA | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Oconnor, Derek | | | 2239 | USA | 0.50 | 1 | 0.25 | 40 | 10.00 | | | * 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) | | | | GM Igor Ivanov Weekender | Berkeley, California | USA | 2018-12-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1897 | 2002 | 2.50 | 5 | -0.59 | 40 | -23.60 | |
| | Walder, Michael | | | 1884 | USA | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Lee, Addison | | | 1944 | USA | 1.00 | 1 | 0.42 | 40 | 16.80 | | | Wu, Rochelle | | wc | 2096 | USA | 0.00 | 1 | -0.37 | 40 | -14.80 | | | Sivakumar, Shaaketh | | | 1602 * | USA | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Boldi, Ethan | | | 1961 | USA | 0.00 | 1 | -0.56 | 40 | -22.40 | | | * 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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