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Individual Calculations June 2017 |
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| Sevall, Jacob Total change: 23.80 | |   |
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| Spring 2017 Tuesday Night Marathon | San Francisco, California | USA | 2017-03-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1831 | 1944 | 5.50 | 8 | 0.49 | 20 | 9.80 | |
|  Liang, Ting | | | 1579 | USA | 0.50 | 1 | -0.40 | 20 | -8.00 | |  Ricard, Bruce | | | 1555 | USA | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Wonsever, James | | | 1820 | USA | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Kuczek, Kevin W | | | 1869 | USA | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Tsodikova, Natalia | | | 2146 | USA | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Wong, Russell | | | 2051 | USA | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Campers Jr, Willie | | | 1757 | USA | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Kanis, Sierk | | | 1869 | NED | 1.00 | 1 | 0.40 | 20 | 8.00 | |
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) | | | | GM Koltanowski Memorial | Berkeley, California | USA | 2017-03-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2034 | 1944 | 2.00 | 4 | 0.43 | 20 | 8.60 | |
| | Jirasek, Ladia | f | | 2257 | USA | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Jensen, Christian | | | 1782 | USA | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Shen, Justin | | | 2001 | USA | 1.00 | 1 | 0.58 | 20 | 11.60 | | | O`connor, Derek | | | 2094 | USA | 0.00 | 1 | -0.30 | 20 | -6.00 | |
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) | | | | Berkeley Weekender | Berkeley, California | USA | 2017-05-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1965 | 1952 | 1.50 | 3 | 0.05 | 20 | 1.00 | |
| | Watson, Farid M | | | 1990 | USA | 1.00 | 1 | 0.55 | 20 | 11.00 | | | Walder, Michael S | | | 1999 | USA | 0.00 | 1 | -0.43 | 20 | -8.60 | | | Kim, Isaiah | | | 1905 | USA | 0.50 | 1 | -0.07 | 20 | -1.40 | |
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) | | | | Best of the West Class Championship | Santa Clara, Callifornia | USA | 2017-05-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2038 | 1952 | 1.50 | 3 | 0.22 | 20 | 4.40 | |
| | Senthilkumar, Pranav | c | | 1858 | USA | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Zhu, Jack Q | | | 2352 * | USA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Kim, Isaiah | | | 1905 | USA | 0.50 | 1 | -0.07 | 20 | -1.40 | | | * 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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