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Individual Calculations July 2018 |
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| Zhang, Chao Total change: -26.40 | |   |
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| 2018 National Open | Las Vegas, Nevada | USA | 2018-06-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2115 | 2251 | 2.00 | 5 | -1.32 | 20 | -26.40 | |
|  Shawkat, Saif | | | 1982 | USA | 1.00 | 1 | 0.17 | 20 | 3.40 | |  Chandra, Akshat | g | | 2503 | USA | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Ghazarian, Kirk | | | 2043 | USA | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Costello, Alexander John | | | 2150 | USA | 0.00 | 1 | -0.64 | 20 | -12.80 | | | Bhavikatti, Neil | | | 1898 | USA | 0.50 | 1 | -0.39 | 20 | -7.80 | |
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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