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Individual Calculations May 2018 |
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| O`shea, Niall Total change: -1.40 | |   |
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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 |
| 2102 | 1830 | 0.00 | 1 | -0.17 | 20 | -3.40 | |
|  Kennedy, John P. A. | | | 2102 | IRL | 0.00 | 1 | -0.17 | 20 | -3.40 | |
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) | | | | Ennis Shield 2017-18 Rounds 9-10 | Various | IRL | 2018-02-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1637 | 1830 | 1.50 | 2 | 0.10 | 20 | 2.00 | |
|  Buckley, Gerard | | | 1844 | IRL | 0.50 | 1 | 0.02 | 20 | 0.40 | | | Freer, Patrick | | | 1430 * | IRL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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