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Rapid:
Individual Calculations November 2022 |
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| Dawod, Ibrahim Total change: 22.80 | |   |
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| 1st Black Ball Chess Tournament U20 | Cairo | EGY | 2022-10-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1603 | 1197 | 1.00 | 4 | 0.57 | 40 | 22.80 | |
|  Moatamid, Yasser | | | 1873 | EGY | 0.00 | 1 | -0.01 | 40 | -0.40 | |  Antoine, Andrew | | | 1509 | EGY | 1.00 | 1 | 0.86 | 40 | 34.40 | | | Maged, Mathew | | | 1594 | EGY | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Mohamed Ahmed, Janah | | | 1435 | EGY | 0.00 | 1 | -0.20 | 40 | -8.00 | |
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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