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Individual Calculations October 2021 |
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| Kelly, John C. Total change: -9.60 | |   |
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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 |
| 1629 | 1881 | 3.00 | 4 | -0.24 | 40 | -9.60 | |
|  Fitzgerald, Martin | | | 1597 | IRL | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Murray, Sam | | | 1621 | IRL | 1.00 | 1 | 0.18 | 40 | 7.20 | |  Harrington, Eoin | | | 1587 | IRL | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Murray, Benjamin | | | 1709 | IRL | 0.00 | 1 | -0.73 | 40 | -29.20 | |
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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