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Individual Calculations October 2021 |
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| O`hanlon, Joe Total change: 25.00 | |   |
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| The 100th Irish Championships 2021 Final Weekender | Dublin | IRL | 2021-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1705 | 1507 | 2.50 | 5 | 1.25 | 20 | 25.00 | |
|  McDonnell, Odhran | | | 1715 | IRL | 1.00 | 1 | 0.77 | 20 | 15.40 | |  Murray, Benjamin | | | 1709 | IRL | 0.00 | 1 | -0.24 | 20 | -4.80 | | | O`laoide, Liam | | | 1626 | IRL | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Cooney, Brendan | | | 1818 | IRL | 0.50 | 1 | 0.36 | 20 | 7.20 | | | Mihaylova, Aliona | | | 1655 | IRL | 0.50 | 1 | 0.20 | 20 | 4.00 | |
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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