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Individual Calculations October 2021 |
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| Liu, Jason Total change: 59.60 | |   |
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| The 100th Irish Championships 2021 Weekday Open | Dublin | IRL | 2021-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1543 | 1601 | 2.50 | 4 | 0.19 | 40 | 7.60 | |
|  O`cuilleanain, Oisin | | | 1662 | IRL | 0.50 | 1 | 0.08 | 40 | 3.20 | |  Maher, John | | | 1486 | IRL | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Reynolds, David W. | | | 1397 | IRL | 1.00 | 1 | 0.24 | 40 | 9.60 | | | O`laoide, Liam | | | 1626 | IRL | 0.00 | 1 | -0.47 | 40 | -18.80 | |
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 100th Irish Championships 2021 Final Weekender | Dublin | IRL | 2021-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1725 | 1601 | 3.00 | 5 | 1.30 | 40 | 52.00 | |
| | Wang, Zhengjn | | | 1630 | IRL | 1.00 | 1 | 0.54 | 40 | 21.60 | | | Novak, Vjekoslav | | | 1736 | CRO | 0.50 | 1 | 0.18 | 40 | 7.20 | | | Mihaylova, Aliona | | | 1655 | IRL | 1.00 | 1 | 0.58 | 40 | 23.20 | | | Burke, Kevin A. | | | 1883 | IRL | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Kavanagh, James | | | 1719 | IRL | 0.00 | 1 | -0.34 | 40 | -13.60 | |
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) | | |
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