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Individual Calculations August 2021 |
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| Cobbs, Kenneth Total change: 37.20 | |   |
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| 49th Annual World Open - Under 2000 | Philadelphia, Pennsylvania | USA | 2021-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1728 | 1409 | 1.50 | 4 | 0.93 | 40 | 37.20 | |
|  Beck, Alec | | | 1749 | USA | 0.00 | 1 | -0.12 | 40 | -4.80 | |  Serrato, Rafael | | | 1793 | COL | 1.00 | 1 | 0.91 | 40 | 36.40 | | | Onyango, Adia | | | 1778 | USA | 0.50 | 1 | 0.40 | 40 | 16.00 | | | Moshkevich, Elizabeth | | | 1590 | USA | 0.00 | 1 | -0.26 | 40 | -10.40 | |
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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