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Individual Calculations October 2021 |
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| Murchadha, Oissine Total change: -9.60 | |   |
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| The 100th Irish Championships 2021 | Dublin | IRL | 2021-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1984 | 1976 | 4.00 | 9 | -0.48 | 20 | -9.60 | |
|  Baburin, Alexander | g | | 2376 * | IRL | 0.00 | 1 | -0.08 | 20 | -1.60 | |  O`gorman, Alice | | | 1907 | IRL | 0.00 | 1 | -0.60 | 20 | -12.00 | | | Aherne, John P. | | | 1903 | IRL | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Murray, Sam | | | 1621 | IRL | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Tirziman, Rudolf | | | 1941 | IRL | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Moran, Darragh | | | 1859 | IRL | 0.00 | 1 | -0.66 | 20 | -13.20 | | | Doyle, Anthony | | | 2206 | IRL | 1.00 | 1 | 0.79 | 20 | 15.80 | | | Collins, Adam | | | 1887 | IRL | 0.50 | 1 | -0.12 | 20 | -2.40 | | | O`connor, Jonathan | | | 2153 | IRL | 0.00 | 1 | -0.27 | 20 | -5.40 | | | * 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) | | |
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