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Individual Calculations December 2017 |
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| Ibrahim, Ayman Total change: -3.80 | |   |
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| Malta Open 2017 | Bugibba | MLT | 2017-11-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1677 | 1634 | 2.50 | 6 | -0.19 | 20 | -3.80 | |
|  Athanasiadis, Mihail | | | 2025 | GRE | 0.00 | 1 | -0.09 | 20 | -1.80 | |  Verhoef, Harry | | | 1800 | NED | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Mueller, Markus | | | 1718 | GER | 0.50 | 1 | 0.12 | 20 | 2.40 | | | Fleri, Luke | | | 1338 | MLT | 0.50 | 1 | -0.35 | 20 | -7.00 | | | Rasmusson, Max | | | 1399 | SWE | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Jernselius, Kjell | | | 1782 | SWE | 0.50 | 1 | 0.20 | 20 | 4.00 | |
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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