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Individual Calculations March 2013 |
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| Abdelmenaem, Sohayla Total change: -48.30 | |   |
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| Arab Indv. Chess CH U18 Girls | Sana'a | YEM | 2012-12-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1605 | 1775 | 1.50 | 4 | -1.30 | 15 | -19.50 | |
|  Jalal Al Deen, Dalin | | | 1464 | IRQ | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Gameel, Amal | | wf | 1746 | YEM | 0.50 | 1 | -0.04 | 15 | -0.60 | |  Jalal Al Deen, Dalin | | | 1464 | IRQ | 0.00 | 1 | -0.86 | 15 | -12.90 | | | Gameel, Amal | | wf | 1746 | YEM | 0.00 | 1 | -0.54 | 15 | -8.10 | |
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 JUNIOR U20 Girls' CHESS CHAMPIONSHIPS | Hammamet | TUN | 2012-12-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1690 | 1775 | 5.50 | 7 | 1.26 | 15 | 18.90 | |
| | Govindasamy, Seshni | | | 1560 | RSA | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Wafa, Chrouk | | wm | 1908 | EGY | 0.50 | 1 | 0.18 | 15 | 2.70 | | | Afgoun, Dyhia | | | 1542 | ALG | 0.50 | 1 | -0.29 | 15 | -4.35 | | | Baktache, Nesrine | | | 1760 | TUN | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Lahmar, Chayma | | | 1549 | TUN | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Meddeb, Chadha | | | 1731 | TUN | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Tlale, Tshepang | | wf | 1780 | RSA | 0.50 | 1 | 0.01 | 15 | 0.15 | |
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 (Girls U16, U14) 2013 | Cairo | EGY | 2013-01-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1744 | 1775 | 0.00 | 2 | -1.07 | 15 | -16.05 | |
| | Gamal Eldin, Zeinab | | wc | 1580 | EGY | 0.00 | 1 | -0.75 | 15 | -11.25 | | | Wafa, Shrook | | wm | 1908 | EGY | 0.00 | 1 | -0.32 | 15 | -4.80 | |
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 (Boys U20) 2013 | Cairo | EGY | 2013-02-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1834 | 1775 | 0.00 | 5 | -2.11 | 15 | -31.65 | |
| | Nader, Mohamed | | | 2044 | EGY | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Ashraf, Shereif | | | 1907 | EGY | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Zayan, Mohamed | | | 1822 | EGY | 0.00 | 1 | -0.43 | 15 | -6.45 | | | Wafa, Shahenda | | wf | 1838 | EGY | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Raafat, Romany | | | 1558 | EGY | 0.00 | 1 | -0.78 | 15 | -11.70 | |
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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