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Individual Calculations October 2021 |
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| George Samir, David Total change: -42.00 | |   |
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| Egyptian Men Cup 2021 | Cairo | EGY | 2021-09-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1916 | 2017 | 1.00 | 3 | -0.78 | 40 | -31.20 | |
|  Abdel Aziem, Aly Yusef | | | 2030 | EGY | 0.00 | 1 | -0.48 | 40 | -19.20 | |  Sayed, Hany | | | 2101 | EGY | 0.00 | 1 | -0.38 | 40 | -15.20 | | | Waheed Shawky, Youssef | | | 1617 * | EGY | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | African Youth Chess Championship (U18 Open) | Accra | GHA | 2021-09-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1784 | 2017 | 5.00 | 7 | -0.27 | 40 | -10.80 | |
| | Murimi, Brian | | | 1617 * | KEN | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Mwabu, Timothy | | | 1677 | KEN | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Tamer, Ahmed | c | | 2024 | EGY | 0.00 | 1 | -0.49 | 40 | -19.60 | | | Le Roux , Emile | | | 1617 * | RSA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | McLigeyo, Robert | | | 1687 | KEN | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Okeke, Issac | | | 2135 | NGR | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Sebetlela, Gaasite | | | 1730 | BOT | 1.00 | 1 | 0.16 | 40 | 6.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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