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Individual Calculations March 2018 |
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| Courtney, John Total change: 1.80 | |   |
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| Armstrong Cup 2017-18 Rounds 5-6 | Various | IRL | 2017-11-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2088 | 2091 | 1.00 | 2 | 0.00 | 20 | 0.00 | |
|  Hughes, Padraig | | | 1817 | IRL | 0.50 | 1 | -0.33 | 20 | -6.60 | |  Brady, Stephen | f | | 2359 | IRL | 0.50 | 1 | 0.33 | 20 | 6.60 | |
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 7-8 | Variuos | IRL | 2018-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2121 | 2087 | 1.00 | 2 | 0.09 | 20 | 1.80 | |
| | Melaugh, Shane | | | 2050 | IRL | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Wallace, Paul A. | | | 2191 | 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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