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Individual Calculations March 2013 |
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| Wafa, Shrook Total change: 75.00 | |   |
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| Arab Indv. Chess CH U20 Girls | Sana'a | YEM | 2012-12-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1668 | 1908 | 10.00 | 10 | 2.24 | 15 | 33.60 | |
|  Farha, Doha | | | 1846 | SYR | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Ali, Basma | | | 1508 * | YEM | 1.00 | 1 | 0.08 | 15 | 1.20 | |  Jalaluldeen, Kareen Kamal J. | | wf | 1733 | IRQ | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Hassan Ahmed, Hana | | | 1508 * | YEM | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Razan, Alshaeby | | | 1744 | JOR | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Farha, Doha | | | 1846 | SYR | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Ali, Basma | | | 1508 * | YEM | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Jalaluldeen, Kareen Kamal J. | | wf | 1733 | IRQ | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Hassan Ahmed, Hana | | | 1508 * | YEM | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Razan, Alshaeby | | | 1744 | JOR | 1.00 | 1 | 0.28 | 15 | 4.20 | | | * 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 JUNIOR U20 Girls' CHESS CHAMPIONSHIPS | Hammamet | TUN | 2012-12-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1671 | 1908 | 6.50 | 7 | 1.03 | 15 | 15.45 | |
| | Lahmar, Chayma | | | 1549 | TUN | 1.00 | 1 | 0.10 | 15 | 1.50 | | | Meddeb, Chadha | | | 1731 | TUN | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Abdelmenaem, Sohayla | | wf | 1775 | EGY | 0.50 | 1 | -0.18 | 15 | -2.70 | | | Govindasamy, Seshni | | | 1560 | RSA | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Tlale, Tshepang | | wf | 1780 | RSA | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Afgoun, Dyhia | | | 1542 | ALG | 1.00 | 1 | 0.10 | 15 | 1.50 | | | Baktache, Nesrine | | | 1760 | TUN | 1.00 | 1 | 0.30 | 15 | 4.50 | |
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 |
| 1678 | 1908 | 2.00 | 2 | 0.45 | 15 | 6.75 | |
| | Gamal Eldin, Zeinab | | wc | 1580 | EGY | 1.00 | 1 | 0.13 | 15 | 1.95 | | | Abdelmenaem, Sohayla | | wf | 1775 | EGY | 1.00 | 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 |
| 1945 | 1908 | 5.00 | 8 | 1.28 | 15 | 19.20 | |
| | Kandil, Adham | c | | 1773 | EGY | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Mona, Khaled | | wg | 2155 | EGY | 0.50 | 1 | 0.31 | 15 | 4.65 | | | Raouf, John | | | 1735 | EGY | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Nader, Mohamed | | | 2044 | EGY | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Ashraf, Shereif | | | 1907 | EGY | 1.00 | 1 | 0.50 | 15 | 7.50 | | | Ameir, Moheb | f | | 2275 | EGY | 1.00 | 1 | 0.90 | 15 | 13.50 | | | Yasser, Mark | | | 1848 | EGY | 0.50 | 1 | -0.08 | 15 | -1.20 | | | Zayan, Mohamed | | | 1822 | EGY | 0.00 | 1 | -0.62 | 15 | -9.30 | |
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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