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Individual Calculations April 2018 |
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| Winslow, Elliott Total change: 9.40 | |   |
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| Winter 2018 Tuesday Night Marathon | San Francisco, California | USA | 2018-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2068 | 2243 | 6.50 | 8 | 0.95 | 20 | 19.00 | |
|  Rakonitz, David | | | 1843 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  McKellar, Daniel | | | 1843 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Gaffagan, Steven | | | 2018 | USA | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Chambers, Ezra Paul | f | | 2147 | BDI | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Oconnor, Derek | | | 2181 | USA | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Shaw, Tenzing | | | 2260 | USA | 0.50 | 1 | 0.02 | 20 | 0.40 | | | Stearman, Josiah | f | | 2361 | USA | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Vickers, Keith | | | 1887 | USA | 1.00 | 1 | 0.11 | 20 | 2.20 | | | * 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) | | | | 2018 IM John Grefe Marathon | Berkeley, California | USA | 2018-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2020 | 2243 | 6.00 | 8 | -0.10 | 20 | -2.00 | |
| | Acosta, Anthony | | | 1843 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Lewis, Edward | | | 1881 | USA | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Oconnor, Derek | | | 2181 | USA | 0.50 | 1 | -0.09 | 20 | -1.80 | | | Poehlmann, Roger | | | 2189 | USA | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Ivanov, Aleksandr | | | 2136 | USA | 0.00 | 1 | -0.65 | 20 | -13.00 | | | Lope, Greg | | | 1912 | USA | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Walder, Michael | | | 1976 | USA | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Panuganti, Kireet | | | 2038 | USA | 1.00 | 1 | 0.24 | 20 | 4.80 | | | * 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) | | | | Cal Chess Senior State Championship | Berkeley, California | USA | 2018-03-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2043 | 2243 | 2.50 | 4 | -0.38 | 20 | -7.60 | |
| | Alazawi, Samir | | | 1843 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Watson, Farid Mark | | | 1956 | USA | 0.50 | 1 | -0.34 | 20 | -6.80 | | | McCambridge, Vincent | m | | 2404 | USA | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Rupel, David | | | 1970 | USA | 1.00 | 1 | 0.17 | 20 | 3.40 | | | * 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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