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Individual Calculations July 2023 |
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| Boulis, Christos Total change: -35.20 | |   |
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| 2023 National Open - Under 2100 | Las Vegas, NV | USA | 2023-06-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1652 | 1635 | 1.00 | 4 | -0.88 | 40 | -35.20 | |
|  Macartney-Filgate, Bruce | | | 1639 | USA | 1.00 | 1 | 0.51 | 40 | 20.40 | |  Wang, Ted | | | 1937 | USA | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Lykins, Pace | | | 1295 | USA | 0.00 | 1 | -0.88 | 40 | -35.20 | | | Koon, Kingsley | | | 1736 | USA | 0.00 | 1 | -0.36 | 40 | -14.40 | |
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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