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Individual Calculations July 2019 |
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| Christiansen, Nata Total change: -5.40 | |   |
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| 2019 National Open - U2300 | Las Vegas, Nevada | USA | 2019-06-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1805 | 1779 | 0.50 | 2 | -0.43 | 20 | -8.60 | |
|  Boris, Peter Theodore | | | 1840 | USA | 0.50 | 1 | 0.08 | 20 | 1.60 | |  Bareket, Adam | | | 1770 | USA | 0.00 | 1 | -0.51 | 20 | -10.20 | |
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 - U2100 | Las Vegas, Nevada | USA | 2019-06-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2051 | 1779 | 0.50 | 2 | 0.16 | 20 | 3.20 | |
| | Bryant, Daniel | | | 2062 | USA | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Randall, Gordon Jamall | | | 2039 | USA | 0.50 | 1 | 0.32 | 20 | 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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