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Individual Calculations October 2021 |
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| Emad Mohamed, Abdallah Total change: -101.60 | |   |
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| Egyptian Men Cup 2021 | Cairo | EGY | 2021-09-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1905 | 1505 | 0.00 | 2 | -0.16 | 40 | -6.40 | |
|  Elbaz, Ahmed | | | 1905 * | EGY | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Sobh, Amrou | m | | 1905 * | EGY | 0.00 | 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 (U16 Open) | Accra | GHA | 2021-09-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1435 | 1505 | 0.50 | 5 | -2.38 | 40 | -95.20 | |
| | Tira, Ahmed | | | 1517 | TUN | 0.00 | 1 | -0.48 | 40 | -19.20 | | | Ajili, Rayen | | | 1514 | TUN | 0.00 | 1 | -0.49 | 40 | -19.60 | | | Lefyedi, Thatego | | | 1413 | RSA | 0.50 | 1 | -0.13 | 40 | -5.20 | | | Waheed Shawky, Youssef | | | 1592 | EGY | 0.00 | 1 | -0.38 | 40 | -15.20 | | | Mothata, Omaatla Aobakwe | | | 1141 | RSA | 0.00 | 1 | -0.90 | 40 | -36.00 | |
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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