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Individual Calculations July 2019 |
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| Sun, Rick Total change: 87.20 | |   |
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| 2019 National Open | Las Vegas, Nevada | USA | 2019-06-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2218 | 1967 | 4.00 | 9 | 2.18 | 40 | 87.20 | |
|  Zhu, Jack | | | 2363 | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Lin, Andy | | | 2267 | USA | 0.50 | 1 | 0.35 | 40 | 14.00 | | | Lynch, Joshua | | | 2195 | USA | 1.00 | 1 | 0.79 | 40 | 31.60 | | | Gurevich, Dmitry | g | | 2367 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Free, Graham | | | 2115 | USA | 0.50 | 1 | 0.20 | 40 | 8.00 | | | Ravuri, Vinesh | | | 2151 | USA | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Feinstein, Michael | f | | 2142 | USA | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Huang, Gary | | | 2119 | USA | 1.00 | 1 | 0.70 | 40 | 28.00 | | | Yanayt, Eugene | f | | 2241 | USA | 0.00 | 1 | -0.17 | 40 | -6.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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