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Individual Calculations December 2017 |
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| O`connor, Eddie Total change: 20.40 | |   |
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| Armstrong Cup 2017-18 Rounds 1-2 | Various | IRL | 2017-09-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2007 | 2023 | 1.00 | 1 | 0.48 | 20 | 9.60 | |
|  Melaugh, Shane | | | 2007 | IRL | 1.00 | 1 | 0.48 | 20 | 9.60 | |
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) | | | | Armstrong Cup 2017-18 Rounds 3-4 | Various | IRL | 2017-10-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1845 | 2023 | 2.00 | 2 | 0.54 | 20 | 10.80 | |
|  Beatty, Ross | | | 1775 | IRL | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Reynolds, Pat | | | 1914 | IRL | 1.00 | 1 | 0.35 | 20 | 7.00 | |
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) | | |
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