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Individual Calculations October 2021 |
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| Hackett, William Total change: 34.80 | |   |
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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 |
| 1659 | 1530 | 2.50 | 5 | 0.87 | 40 | 34.80 | |
|  Novak, Vjekoslav | | | 1736 | CRO | 0.00 | 1 | -0.24 | 40 | -9.60 | |  Wang, Zhengjn | | | 1630 | IRL | 0.00 | 1 | -0.36 | 40 | -14.40 | | | Loughran, John | | | 1660 | IRL | 1.00 | 1 | 0.68 | 40 | 27.20 | | | Leavy, Paul A. | | | 1609 | IRL | 1.00 | 1 | 0.61 | 40 | 24.40 | | | O`cuilleanain, Oisin | | | 1662 | IRL | 0.50 | 1 | 0.18 | 40 | 7.20 | |
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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