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Individual Calculations July 2023 |
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| Petrusevich, Ivan Total change: 9.80 | |   |
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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 |
| 1549 | 1475 | 2.50 | 5 | 0.49 | 20 | 9.80 | |
|  Ni, Leo | | | 1586 | USA | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Badart, Robin | | | 1454 | USA | 0.00 | 1 | -0.53 | 20 | -10.60 | |  Teitelman, Jacob | | | 1684 | USA | 0.50 | 1 | 0.27 | 20 | 5.40 | | | Xiao, Yixuan | | | 1537 | USA | 1.00 | 1 | 0.59 | 20 | 11.80 | | | Fan, Frank | | | 1483 | USA | 1.00 | 1 | 0.51 | 20 | 10.20 | |
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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