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Individual Calculations October 2021 |
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| O`flaherty, Kevin Total change: 9.80 | |   |
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| The 100th Irish Championships 2021 | Dublin | IRL | 2021-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2022 | 1884 | 3.50 | 9 | 0.49 | 20 | 9.80 | |
|  O`connell, Gerard | | | 2051 | IRL | 1.00 | 1 | 0.72 | 20 | 14.40 | |  O`donnell, Conor | f | | 2284 * | IRL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Cafolla, Peter | | | 1958 | IRL | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Duffy, Seamus | | | 1945 | IRL | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Macelligott, Gerard | c | | 1966 | IRL | 0.00 | 1 | -0.39 | 20 | -7.80 | | | O`gorman, Alice | | | 1907 | IRL | 0.50 | 1 | 0.03 | 20 | 0.60 | | | Casey, Eoghan | | | 1952 | IRL | 1.00 | 1 | 0.59 | 20 | 11.80 | | | Doyle, Anthony | | | 2206 | IRL | 0.50 | 1 | 0.37 | 20 | 7.40 | | | Lyons, Brendan | | | 1931 | IRL | 0.50 | 1 | 0.07 | 20 | 1.40 | | | * 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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