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Individual Calculations February 2023 |
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| Noone, Joe Total change: 9.40 | |   |
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| The Irish 65plus Championships 2023 | Dublin | IRL | 2023-01-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1841 | 1903 | 4.50 | 7 | 0.47 | 20 | 9.40 | |
|  Lynch, Peter J. | | | 1606 | IRL | 1.00 | 1 | 0.15 | 20 | 3.00 | |  Boyle, Bernard | | | 1820 | IRL | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Harding, Tim | c | | 1921 | IRL | 0.50 | 1 | 0.03 | 20 | 0.60 | | | Cafolla, Peter | | | 1868 | IRL | 0.50 | 1 | -0.05 | 20 | -1.00 | | | O`neill, Julia | | | 1711 | USA | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Keogh, Eamon | | | 1899 | IRL | 0.00 | 1 | -0.51 | 20 | -10.20 | | | O`connell, Gerard | | | 2062 | IRL | 0.50 | 1 | 0.21 | 20 | 4.20 | |
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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