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Individual Calculations October 2021 |
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| Divilly, Paddy Total change: 1.00 | |   |
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| The Irish over50 and over65 championship 2021 | Dublin | IRL | 2021-09-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1730 | 1507 | 1.00 | 4 | 0.05 | 20 | 1.00 | |
|  Daly, Colm | f | | 1907 * | IRL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Twomey, Pat | | | 1777 | IRL | 1.00 | 1 | 0.83 | 20 | 16.60 | |  Stacey, Derek | | | 1577 | IRL | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Loughran, John | | | 1660 | IRL | 0.00 | 1 | -0.30 | 20 | -6.00 | | | * 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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