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Individual Calculations March 2019 |
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| Wahba, David George Total change: 49.60 | |   |
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| Tanta University Chess Classic Open | Tanta | EGY | 2019-01-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1656 | 1256 | 0.00 | 2 | -0.16 | 40 | -6.40 | |
|  Sayed, Hany | | | 1656 * | EGY | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Elshereif, Mahmoud Salah | | | 1656 * | 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) | | | | Egyptian Ch. Under 18 | Cairo | EGY | 2019-02-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1468 | 1199 | 2.00 | 4 | 1.24 | 40 | 49.60 | |
| | Fouad, Mohamed | | | 1599 * | EGY | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Kazem, Youssef | | | 1292 | EGY | 0.50 | 1 | 0.13 | 40 | 5.20 | | | Mansour, Moaaz | | | 1462 | EGY | 0.50 | 1 | 0.32 | 40 | 12.80 | | | Kamal, Mostafa | | | 1518 | EGY | 1.00 | 1 | 0.87 | 40 | 34.80 | | | * 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) | | | | Egyptian League Final 2018/2019 Round 10-11 | Many Cities | EGY | 2019-02-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1267 | 1199 | 1.00 | 2 | 0.16 | 40 | 6.40 | |
| | Rashed Elsayed, Mohamed | | | 1098 | EGY | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Abdel Raouf, Zyad | | | 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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