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Individual Calculations May 2019 |
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| O`brien, George Total change: -54.80 | |   |
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| LCU Heidenfeld Trophy 2018-19 Rounds 7-8 | Dublin | IRL | 2019-02-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1800 | 1905 | 1.00 | 2 | -0.29 | 40 | -11.60 | |
|  Novak, Vjekoslav | | | 1765 | CRO | 0.00 | 1 | -0.69 | 40 | -27.60 | |  McLoughlin, Mark | | | 1835 | IRL | 1.00 | 1 | 0.40 | 40 | 16.00 | |
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) | | | NOTE: K factor changed | | LCU Heidenfeld Trophy 2018-19 Rounds 9-10 | Dublin | IRL | 2019-03-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1865 | 1873 | 0.50 | 2 | -0.52 | 20 | -10.40 | |
| | Wallace, Martin | | | 1895 | IRL | 0.00 | 1 | -0.47 | 20 | -9.40 | | | Armstrong, Fred | | | 1835 | IRL | 0.50 | 1 | -0.05 | 20 | -1.00 | |
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) | | | NOTE: K factor changed | | The National Club Championship 2019 | Dublin | IRL | 2019-04-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1743 | 1873 | 1.00 | 4 | -1.64 | 20 | -32.80 | |
| | Lohan, Martin | | | 1737 | IRL | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Cullen, Sean | | | 1640 | IRL | 0.00 | 1 | -0.79 | 20 | -15.80 | | | O`connor, Hugh | | | 1619 | IRL | 0.50 | 1 | -0.31 | 20 | -6.20 | | | Quinn, Ciaran | | | 1976 | IRL | 0.50 | 1 | 0.14 | 20 | 2.80 | |
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) | | |
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