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Individual Calculations February 2019 |
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| Duffy, Seamus Total change: -20.60 | |   |
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| LCU Armstrong Cup 2018-19 Rounds 5-6 | Dublin | IRL | 2018-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2037 | 1964 | 0.50 | 2 | -0.30 | 20 | -6.00 | |
|  Joyce, John | | | 2034 | IRL | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Kennedy, John P. A. | | | 2039 | IRL | 0.50 | 1 | 0.10 | 20 | 2.00 | |
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) | | | | The Irish O-50 and O-65 Championships 2019 | Dublin | IRL | 2019-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1811 | 1958 | 4.00 | 7 | -0.73 | 20 | -14.60 | |
|  Maher, John | | | 1592 | IRL | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Lohan, Martin | | | 1735 | IRL | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Moss, Robin | f | | 2289 | ENG | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Cafolla, Peter | | | 1953 | IRL | 0.00 | 1 | -0.51 | 20 | -10.20 | | | O`daly, Liam | | | 1722 | IRL | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Murray, Jim | | | 1785 | IRL | 0.00 | 1 | -0.73 | 20 | -14.60 | | | Scott, Shay | | | 1604 | IRL | 1.00 | 1 | 0.11 | 20 | 2.20 | |
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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