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Individual Calculations July 2021 |
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| Cobbs, Kenneth Total change: -17.20 | |   |
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| 15th Annual Philadelphia Open - Under 2100 | Philadelphia, Pennsylvania | USA | 2021-06-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1677 | 1426 | 0.00 | 2 | -0.43 | 40 | -17.20 | |
|  Hood, Avery | | | 1818 | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Feng, Andrew T | | | 1536 | USA | 0.00 | 1 | -0.35 | 40 | -14.00 | |
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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