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Individual Calculations May 2018 |
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| Duffy, Seamus Total change: -20.20 | |   |
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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 |
| 2066 | 2011 | 0.00 | 1 | -0.42 | 20 | -8.40 | |
|  O`donovan, Richard | | | 2066 | IRL | 0.00 | 1 | -0.42 | 20 | -8.40 | |
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) | | | | Easter Festival Group E | Dublin | IRL | 2018-03-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1849 | 1990 | 5.50 | 9 | -0.59 | 20 | -11.80 | |
|  Haque, Mustakim-Ul | | | 1892 | IRL | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Haque, Muhtarim-Ul | | | 1920 | IRL | 0.00 | 1 | -0.60 | 20 | -12.00 | | | O`neill, Paul | | | 1941 | IRL | 0.00 | 1 | -0.57 | 20 | -11.40 | | | Cafolla, Peter | | | 1942 | IRL | 1.00 | 1 | 0.43 | 20 | 8.60 | | | McLoughlin, Sean | | | 1848 | IRL | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Gupta, Utkarsh | | | 1779 | IRL | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Boyle, Bernard | | | 1897 | IRL | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Kalam, Abul | | | 1828 | IRL | 0.00 | 1 | -0.71 | 20 | -14.20 | | | Menon, Sanjay | | | 1590 * | 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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