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Individual Calculations July 2019 |
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| Lu, Joshua Total change: -34.00 | |   |
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| Berkeley Weekender June 2019 | Berkeley, California | USA | 2019-06-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1778 | 1936 | 3.00 | 4 | 0.23 | 40 | 9.20 | |
|  Walder, Michael | | | 1893 | USA | 0.00 | 1 | -0.56 | 40 | -22.40 | |  Chiang, Jacob | | | 1606 | USA | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Lu, Miaoyi | | | 1704 | CHN | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Krishnakumar, Sriram | c | | 1908 | USA | 1.00 | 1 | 0.46 | 40 | 18.40 | |
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) | | | | 2019 National Open - U2300 | Las Vegas, Nevada | USA | 2019-06-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1719 | 1936 | 0.00 | 2 | -1.55 | 40 | -62.00 | |
| | Vu, Leonard | | | 1734 | USA | 0.00 | 1 | -0.76 | 40 | -30.40 | | | Palusa, Maurya | | | 1704 | USA | 0.00 | 1 | -0.79 | 40 | -31.60 | |
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) | | | | 19th Annual William Addison Memorial - Open Section | San Francisco, CA | USA | 2019-06-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1930 | 1936 | 2.50 | 4 | 0.47 | 40 | 18.80 | |
| | Badhe, Ronak | | | 1583 | USA | 1.00 | 1 | 0.11 | 40 | 4.40 | | | McCambridge, Vincent | m | | 2319 | USA | 0.50 | 1 | 0.41 | 40 | 16.40 | | | Das, Rohan | | | 1590 | USA | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Chambers, Ezra Paul | f | | 2226 | BDI | 0.00 | 1 | -0.16 | 40 | -6.40 | |
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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