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Individual Calculations February 2023 |
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| Keogh, Eamon Total change: 18.20 | |   |
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| The Irish 65plus Championships 2023 | Dublin | IRL | 2023-01-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1766 | 1899 | 5.50 | 7 | 0.91 | 20 | 18.20 | |
|  Maher, John | | | 1488 | IRL | 0.50 | 1 | -0.42 | 20 | -8.40 | |  O`hanlon, Pat | | | 1642 | IRL | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Twomey, Pat | | | 1771 | IRL | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Harding, Tim | c | | 1921 | IRL | 0.50 | 1 | 0.03 | 20 | 0.60 | | | Cafolla, Peter | | | 1868 | IRL | 1.00 | 1 | 0.46 | 20 | 9.20 | | | Noone, Joe | | | 1903 | IRL | 1.00 | 1 | 0.51 | 20 | 10.20 | | | Jackson, Peter D. | | | 1769 | IRL | 0.50 | 1 | -0.18 | 20 | -3.60 | |
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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