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Individual Calculations January 2012 |
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| Ibrahim, Ayman Total change: -17.55 | |   |
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| Malta Open | Bugibba | MLT | 2011-11-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1844 | 1794 | 1.00 | 5 | -1.17 | 15 | -17.55 | |
|  Fleming, Andrew S J | | | 2031 | ENG | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Tkac, Miroslav | | | 1592 | SVK | 0.00 | 1 | -0.76 | 15 | -11.40 | | | Cools, Walter | | | 1769 | BEL | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Nilsson, Weine | | | 1976 | SWE | 0.00 | 1 | -0.26 | 15 | -3.90 | |  Sacco, Sam | | | 1854 | MLT | 0.50 | 1 | 0.08 | 15 | 1.20 | |
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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