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Individual Calculations July 2019 |
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| Serna, Jeffrey Total change: -6.60 | |   |
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| 2019 National Open | Las Vegas, Nevada | USA | 2019-06-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2128 | 2052 | 2.50 | 7 | -0.33 | 20 | -6.60 | |
|  Katz, Alexander | m | | 2427 | USA | 0.00 | 1 | -0.09 | 20 | -1.80 | |  Ghatti, Sanjay | m | | 2190 | USA | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Quirke, Jeff | | | 2136 | USA | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Anderson, Michael | | | 1785 | USA | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Xia, Brandon | c | | 2122 | USA | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Sam, Gabriel | | | 2227 | USA | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Kondakov, Adrian | c | | 2009 | USA | 1.00 | 1 | 0.44 | 20 | 8.80 | |
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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