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Individual Calculations February 2023 |
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| Jackson, Peter D. Total change: 29.00 | |   |
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| The Irish 65plus Championships 2023 | Dublin | IRL | 2023-01-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1894 | 1769 | 3.50 | 6 | 1.45 | 20 | 29.00 | |
|  Murray, Jim | | | 1879 | IRL | 0.50 | 1 | 0.15 | 20 | 3.00 | |  Lohan, Martin | | | 1797 | IRL | 0.50 | 1 | 0.04 | 20 | 0.80 | | | O`connell, Gerard | | | 2062 | IRL | 0.50 | 1 | 0.35 | 20 | 7.00 | | | McCarthy, Tim | | | 2016 | IRL | 0.50 | 1 | 0.31 | 20 | 6.20 | | | O`neill, Julia | | | 1711 | USA | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Keogh, Eamon | | | 1899 | 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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