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Individual Calculations May 2018 |
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| O`connell, David Total change: -1.60 | |   |
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| Armstrong Cup 2017-18 Rounds 9-10 | Various | IRL | 2018-02-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1916 | 1816 | 1.00 | 1 | 0.64 | 20 | 12.80 | |
|  Aherne, John P. | | | 1916 | IRL | 1.00 | 1 | 0.64 | 20 | 12.80 | |
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) | | | | Heidenfeld Trophy 2017-18 Rounds 9-10 | Various | IRL | 2018-03-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1770 | 1854 | 0.50 | 2 | -0.72 | 20 | -14.40 | |
| | Hunter, Sean | | | 1692 | IRL | 0.50 | 1 | -0.21 | 20 | -4.20 | | | McLoughlin, Sean | | | 1848 | IRL | 0.00 | 1 | -0.51 | 20 | -10.20 | |
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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