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Rapid:
Individual Calculations November 2022 |
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| Ibrahim, Ammar Total change: -40.00 | |   |
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| 1st Black Ball Chess Tournament U20 | Cairo | EGY | 2022-10-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1425 | 1783 | 5.00 | 8 | -2.00 | 20 | -40.00 | |
|  Ahmed Omar, Hamza | | | 1383 * | EGY | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Elkady, Fady | | | 1399 | EGY | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Reda, Michael | | | 1412 | EGY | 0.00 | 1 | -0.90 | 20 | -18.00 | | | Amir, Robeir | | | 1327 | EGY | 1.00 | 1 | 0.06 | 20 | 1.20 | | | Mohamed Goda, Zyad | | | 1303 | EGY | 1.00 | 1 | 0.05 | 20 | 1.00 | | | Mohamed Fouad, Moataz | | | 1559 | EGY | 0.00 | 1 | -0.78 | 20 | -15.60 | | | Ahmed Amein, Abdel Rahman | | | 1358 | EGY | 1.00 | 1 | 0.07 | 20 | 1.40 | | | Elsayed Abdelkhalek, Ahmed | | | 1655 | EGY | 0.00 | 1 | -0.67 | 20 | -13.40 | | | * 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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