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Individual Calculations January 2012 |
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| Nader, Mohamed Total change: -6.15 | |   |
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| Egyptian Championship 2011 | Cairo | EGY | 2011-11-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2298 | 2065 | 0.00 | 2 | -0.42 | 15 | -6.30 | |
|  Sameeh, Hany | f | | 2266 | EGY | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Abou El Zein, Eid Mahmoud | m | | 2329 | EGY | 0.00 | 1 | -0.18 | 15 | -2.70 | |
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) | | | | 2011 African Youth Chess Championship, Under 18 Boys | Lusaka | ZAM | 2011-12-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1877 | 2065 | 1.50 | 2 | 0.01 | 15 | 0.15 | |
| | Chandna , Shubham | | | 1844 | BOT | 1.00 | 1 | 0.22 | 15 | 3.30 | |  Bornheim, Craig | | | 1909 | RSA | 0.50 | 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) | | |
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