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Individual Calculations October 2021 |
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| Harding, Tim D Total change: -34.40 | |   |
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| The 100th Irish Championships 2021 | Dublin | IRL | 2021-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1926 | 2003 | 4.00 | 9 | -1.42 | 20 | -28.40 | |
|  Goss, Alex | | | 1833 | IRL | 0.50 | 1 | -0.22 | 20 | -4.40 | |  Fox, Anthony | | | 2005 | IRL | 0.50 | 1 | 0.00 | 20 | 0.00 | | | Scott, Luke | | | 1906 | IRL | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Moran, Darragh | | | 1859 | IRL | 0.00 | 1 | -0.69 | 20 | -13.80 | | | Lyons, Brendan | | | 1931 | IRL | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Collins, Adam | | | 1887 | IRL | 0.00 | 1 | -0.66 | 20 | -13.20 | | | Cafolla, Peter | | | 1958 | IRL | 0.50 | 1 | -0.06 | 20 | -1.20 | | | O`connell, Gerard | | | 2051 | IRL | 0.50 | 1 | 0.07 | 20 | 1.40 | | | O`gorman, Alice | | | 1907 | IRL | 0.50 | 1 | -0.13 | 20 | -2.60 | |
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) | | | | The Irish over50 and over65 championship 2021 | Dublin | IRL | 2021-09-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1752 | 2003 | 3.50 | 5 | -0.30 | 20 | -6.00 | |
| | O`connell, Michael Joseph | | | 1603 * | IRL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Stacey, Derek | | | 1603 * | IRL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Daly, Colm | f | | 2285 | IRL | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Loughran, John | | | 1660 | IRL | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Donohoe, Eugene | | | 1608 | IRL | 0.50 | 1 | -0.42 | 20 | -8.40 | | | * 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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