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Individual Calculations August 2018 |
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| Chen, Mingson Total change: -80.20 | |   |
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| Summer 2018 Tuesday Night Marathon | San Francisco, California | USA | 2018-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1748 | 1779 | 2.00 | 5 | -0.64 | 20 | -12.80 | |
|  Harris, Clarence | | | 1414 | USA | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Tsodikova, Natalya | | wf | 2123 | USA | 0.00 | 1 | -0.12 | 20 | -2.40 | |  Wong, Russell | | | 2024 | USA | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Matz, James | | | 1765 | USA | 0.50 | 1 | -0.02 | 20 | -0.40 | | | Perlov, Alexander | | | 1412 | USA | 0.50 | 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) | | | | Berkeley Weekender July 2018 | Berkeley, California | USA | 2018-07-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1763 | 1788 | 1.00 | 4 | -1.11 | 20 | -22.20 | |
| | Lu, Joshua | | | 1858 | USA | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Shivakumar, Shawnak | | | 1746 | USA | 1.00 | 1 | 0.44 | 20 | 8.80 | | | Handigol, Abhishek | | | 1898 | USA | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Xiong, Andy | | | 1550 | USA | 0.00 | 1 | -0.80 | 20 | -16.00 | |
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) | | | | 43rd Peoples Tournament | Berkeley, California | USA | 2018-07-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1744 | 1788 | 0.50 | 5 | -2.26 | 20 | -45.20 | |
| | Canessa, John | | | 1910 | USA | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Lu, Yixiang | | | 1819 | USA | 0.00 | 1 | -0.46 | 20 | -9.20 | | | Nayak, Shreyas | | | 1518 | USA | 0.50 | 1 | -0.33 | 20 | -6.60 | | | Yan, Rui Yang | | | 1738 | USA | 0.00 | 1 | -0.57 | 20 | -11.40 | | | Wen, Brian | | | 1737 | USA | 0.00 | 1 | -0.57 | 20 | -11.40 | |
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) | | |
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