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Individual Calculations November 2019 |
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| Ireland, David J Total change: 28.20 | |   |
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| 23rd 4NCL Congress Open | South Normanton | ENG | 2019-10-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2025 | 1960 | 2.50 | 5 | 0.36 | 20 | 7.20 | |
|  Sowray, Peter J | f | | 2360 * | ENG | 0.50 | 1 | 0.42 | 20 | 8.40 | |  Verma, Aditya | | | 2172 | ENG | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Gogia, Armaan | | | 1866 | ENG | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Simpson, Derek | | | 1638 | ENG | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Moore, Gerald | | | 2089 | ENG | 0.50 | 1 | 0.17 | 20 | 3.40 | | | * 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) | | | | Chess.com Isle of Man International Major 2019 | Isle of Man | ENG | 2019-10-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1909 | 1960 | 5.00 | 7 | 1.05 | 20 | 21.00 | |
| | Landenberger, Anja Kathrin | | | 1788 | GER | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Mircov, Nicola-Alexandar | | | 1698 | ROU | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Alizada, Eldar | | | 1946 | ENG | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Bujakevich, Aleksandr | f | | 2017 | RUS | 1.00 | 1 | 0.58 | 20 | 11.60 | | | Moyse, Nigel John | | | 2055 | WLS | 0.50 | 1 | 0.13 | 20 | 2.60 | | | Paul, Nathanael | | | 1931 | ENG | 0.50 | 1 | -0.04 | 20 | -0.80 | | | Burrows, Nick | | | 1926 | ENG | 0.50 | 1 | -0.05 | 20 | -1.00 | |
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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