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Individual Calculations January 2010 |
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| Zayan, Osama Total change: -42.90 | |   |
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| Egyptian Cup 2009 2nd Part | Many Cities | EGY | 2009-10-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2324 | 2218 | 2.00 | 4 | 0.55 | 15 | 8.25 | |
|  Elsayed, Moustafa | | | 2229 | EGY | 1.00 | 1 | 0.52 | 15 | 7.80 | |  Fatehy, Tarek | | | 2219 | EGY | 0.50 | 1 | 0.00 | 15 | 0.00 | | | Sarwat, Walaa | m | | 2402 | EGY | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Abdelnabbi, Imed | m | | 2446 | EGY | 0.00 | 1 | -0.21 | 15 | -3.15 | |
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 Masters 2009 | Cairo | EGY | 2009-11-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2092 | 2217 | 3.00 | 7 | -1.67 | 15 | -25.05 | |
| | Hamam, Mahmoud | | | 2045 | EGY | 0.50 | 1 | -0.23 | 15 | -3.45 | | | Imam, Ashraf | | | 2073 | EGY | 0.00 | 1 | -0.69 | 15 | -10.35 | | | Elashry, Aly | | | 2062 | EGY | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Saiid, Ibrahim | | | 2064 | EGY | 0.00 | 1 | -0.70 | 15 | -10.50 | | | Mahdy, Tawfeik | | | 2069 | EGY | 0.00 | 1 | -0.70 | 15 | -10.50 | | | Eltokhy, Essam | | | 2093 | EGY | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Fahmy, Osama | | | 2240 | EGY | 0.50 | 1 | 0.03 | 15 | 0.45 | |
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) | | | | 2nd Aswan Chess Open | Aswan | EGY | 2009-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1886 | 2217 | 0.00 | 2 | -1.74 | 15 | -26.10 | |
| | Fadi, Marko | | | 1955 | EGY | 0.00 | 1 | -0.82 | 15 | -12.30 | | | Elgohary, Myada | | | 1817 * | EGY | 0.00 | 1 | -0.92 | 15 | -13.80 | | | * 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) | | |
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