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Individual Calculations July 2018 |
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| Wallach, Kenneth Total change: 5.00 | |   |
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| 2018 National Open - U2300 | Las Vegas, Nevada | USA | 2018-06-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2040 | 2086 | 2.50 | 4 | 0.25 | 20 | 5.00 | |
|  Premkumar, Hiren | | | 1981 | USA | 0.00 | 1 | -0.64 | 20 | -12.80 | |  Walsh, Peter | | | 2036 | USA | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Rosell, John | | | 2023 | USA | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Williams, John | | | 2121 | USA | 0.50 | 1 | 0.05 | 20 | 1.00 | |
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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