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Rapid:
Individual Calculations November 2022 |
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| Ahmed Amein, Abdel Rahman Total change: 0.40 | |   |
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| 1st Black Ball Chess Tournament U20 | Cairo | EGY | 2022-10-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1535 | 1358 | 1.00 | 3 | 0.01 | 40 | 0.40 | |
|  Salama, Waleed | | | 1751 | EGY | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Diaa, Yehia | | | 1070 | EGY | 1.00 | 1 | 0.16 | 40 | 6.40 | |  Ibrahim, Ammar | | | 1783 | EGY | 0.00 | 1 | -0.07 | 40 | -2.80 | |
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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