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Individual Calculations June 2019 |
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| Sloan, Sam Total change: 35.00 | |   |
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| Spring 2019 Tuesday Night Marathon | San Francisco, California | USA | 2019-03-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2107 | 1849 | 1.00 | 2 | 0.63 | 20 | 12.60 | |
|  Tsodikova, Natalya | | wf | 2126 | USA | 1.00 | 1 | 0.83 | 20 | 16.60 | |  Li, Eric Yuhan | c | | 2088 | USA | 0.00 | 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) | | | | 2019 CalChess Senior State Championship | San Francisco, California | USA | 2019-05-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2003 | 1821 | 2.00 | 3 | 1.12 | 20 | 22.40 | |
| | Walder, Michael | | | 1877 | USA | 1.00 | 1 | 0.58 | 20 | 11.60 | | | McCambridge, Vincent | m | | 2221 * | USA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Watson, Farid | | | 1912 | USA | 1.00 | 1 | 0.62 | 20 | 12.40 | | | * 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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