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Individual Calculations February 2023 |
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| O`hanlon, Pat Total change: 34.20 | |   |
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| The Irish 65plus Championships 2023 | Dublin | IRL | 2023-01-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1794 | 1642 | 4.00 | 7 | 1.71 | 20 | 34.20 | |
|  Quigley, Colm | | | 1947 | IRL | 0.50 | 1 | 0.36 | 20 | 7.20 | |  Keogh, Eamon | | | 1899 | IRL | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Dimitrov, Nikolai | | | 1430 | IRL | 1.00 | 1 | 0.23 | 20 | 4.60 | | | McCarthy, Tim | | | 2016 | IRL | 0.50 | 1 | 0.40 | 20 | 8.00 | | | Reynolds, Pat | | | 1870 | IRL | 0.50 | 1 | 0.29 | 20 | 5.80 | | | Cassidy, Paul | | | 1909 | IRL | 0.50 | 1 | 0.32 | 20 | 6.40 | | | Maher, John | | | 1488 | IRL | 1.00 | 1 | 0.29 | 20 | 5.80 | |
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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