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Individual Calculations February 2019 |
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| Jackson, Peter Total change: -10.40 | |   |
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| LCU Heidenfeld Trophy 2018-19 Rounds 3-4 | Dublin | IRL | 2018-11-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1897 | 1873 | 1.00 | 2 | 0.07 | 20 | 1.40 | |
|  O`brien, John P. | | | 1903 | IRL | 1.00 | 1 | 0.54 | 20 | 10.80 | |  Dunne, Thomas Junior | | | 1891 | IRL | 0.00 | 1 | -0.47 | 20 | -9.40 | |
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) | | | | The Irish O-50 and O-65 Championships 2019 | Dublin | IRL | 2019-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1708 | 1856 | 3.50 | 6 | -0.59 | 20 | -11.80 | |
| | Dempsey, Denis | | | 1524 | IRL | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Barry, Suzanne | | | 1456 * | IRL | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Lynch, Peter J. | | | 1702 | IRL | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Donohoe, Eugene | | | 1579 | IRL | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Deneher, Jimmy | | | 1730 | IRL | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Moss, Robin | f | | 2256 * | ENG | 0.00 | 1 | -0.08 | 20 | -1.60 | | | * 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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