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Individual Calculations February 2023 |
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| Boyle, Bernard Total change: -1.60 | |   |
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| The Irish 65plus Championships 2023 | Dublin | IRL | 2023-01-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1739 | 1820 | 4.00 | 7 | -0.08 | 20 | -1.60 | |
|  O`connell, Michael Joseph | | | 1420 * | IRL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Noone, Joe | | | 1903 | IRL | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Maher, John | | | 1488 | IRL | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Coldrick, Art | | | 1665 | IRL | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Macelligott, Gerard | c | | 1980 | IRL | 1.00 | 1 | 0.71 | 20 | 14.20 | | | Lohan, Martin | | | 1797 | IRL | 0.50 | 1 | -0.03 | 20 | -0.60 | | | Harding, Tim | c | | 1921 | IRL | 0.50 | 1 | 0.14 | 20 | 2.80 | | | * 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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