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Individual Calculations January 2019 |
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| Chambers, Ezra Paul Total change: 29.40 | |   |
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| 2018 Berkeley Club Championship | Berkeley, California | USA | 2018-10-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2050 | 2287 | 3.00 | 4 | -0.05 | 40 | -2.00 | |
|  Ater, Itai | | | 2188 | ISR | 1.00 | 1 | 0.36 | 40 | 14.40 | |  Carter, Evan | | | 1887 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Anderson, Michael | | | 1887 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Oconnor, Derek | | | 2239 | USA | 0.00 | 1 | -0.57 | 40 | -22.80 | | | * 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 |
| 2044 | 2287 | 7.50 | 9 | 0.61 | 40 | 24.40 | |
| | Francis, Daniel | | | 1887 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Babayan, Gagik | | | 1887 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Kuczek, Kevin | | | 1915 | USA | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Vickers, Keith | | | 1904 | USA | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Shaw, Tenzing | | | 2239 | USA | 0.50 | 1 | -0.07 | 40 | -2.80 | | | Diaz, Conrado | | | 2297 | PHI | 1.00 | 1 | 0.51 | 40 | 20.40 | | | Mont-Reynaud, Jordy | | | 2241 | USA | 0.50 | 1 | -0.06 | 40 | -2.40 | | | Ivanov, Aleksandr | | | 2135 | USA | 0.50 | 1 | -0.20 | 40 | -8.00 | | | Boldi, Ethan | | | 1887 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * 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) | | | NOTE: K factor changed | | GM Daniel Naroditsky Championship | Milpitas, California | USA | 2018-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2138 | 2331 | 2.50 | 3 | 0.35 | 20 | 7.00 | |
| | Singhal, Sanat | | | 1931 * | IND | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Coleman, Teddy | m | | 2361 | USA | 1.00 | 1 | 0.54 | 20 | 10.80 | | | Yanayt, Eugene | f | | 2121 | USA | 0.50 | 1 | -0.27 | 20 | -5.40 | | | * 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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