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Individual Calculations December 2019 |
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| Vella, Duncan Total change: -8.80 | |   |
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| XY Chess Team League 2019 | Birkirkara | MLT | 2019-10-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1898 | 1967 | 0.50 | 1 | -0.10 | 20 | -2.00 | |
|  Alexa, Cosmin | | | 1898 | MLT | 0.50 | 1 | -0.10 | 20 | -2.00 | |
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) | | | | Malta International Open 2019 | Bugibba | MLT | 2019-11-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1849 | 1967 | 5.50 | 9 | -0.34 | 20 | -6.80 | |
|  Figaro, Dericka | | wc | 1606 | SEY | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Amato, Andrea | f | | 2344 | ITA | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Qwarfort, Bengt | | | 1768 | SWE | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Adam, Wilfried | | | 1768 | GER | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Schnabel, Ralf | | | 2234 | GER | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Lochte, Szilvia | | | 1815 | HUN | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Cortenbach, Stan | | | 1618 | NED | 0.00 | 1 | -0.89 | 20 | -17.80 | | | Kurka, Christopher-Ulrich | | | 1790 | GER | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Richards, John | | | 1694 | MLT | 1.00 | 1 | 0.17 | 20 | 3.40 | |
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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