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Individual Calculations December 2018 |
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| Psaila, Mario Total change: -11.60 | |   |
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| Malta Veterans Championship 2018 | Qormi | MLT | 2018-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1688 | 1858 | 3.00 | 5 | -0.55 | 20 | -11.00 | |
|  Ibrahim, Ayman | | | 1634 | MLT | 0.50 | 1 | -0.28 | 20 | -5.60 | |  Thake, Conrad | | | 1699 | MLT | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Sammut Briffa, Peter | | | 1929 | MLT | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Sammut, Ron | | | 1601 | MLT | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Refalo, Ian | | | 1579 | MLT | 1.00 | 1 | 0.16 | 20 | 3.20 | |
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) | | | | Swieqi Chess League Division 1 September 2018 Rounds 3-5 | Swieqi | MLT | 2018-10-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1559 | 1858 | 2.50 | 3 | -0.03 | 20 | -0.60 | |
| | Gatt, Joseph | | | 1581 | MLT | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Liebert, Samuel | | | 1458 * | HUN | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Fleri, Matthew | | | 1639 | MLT | 0.50 | 1 | -0.28 | 20 | -5.60 | | | * 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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