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Individual Calculations May 2018 |
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| Delaney, John Total change: -70.60 | |   |
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| Heidenfeld Trophy 2017-18 Rounds 9-10 | Various | IRL | 2018-03-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1905 | 2219 | 2.00 | 2 | 0.27 | 20 | 5.40 | |
|  Gaines, Brian | | | 1859 | IRL | 1.00 | 1 | 0.10 | 20 | 2.00 | |  Cassidy, Paul | | | 1951 | IRL | 1.00 | 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) | | | | Easter IM Norm Event 2018 | Dublin | IRL | 2018-03-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2247 | 2219 | 0.50 | 9 | -3.66 | 20 | -73.20 | |
| | Melaugh, Gavin | | | 1956 | IRL | 0.00 | 1 | -0.82 | 20 | -16.40 | | | Delaney, Killian | | | 2200 | IRL | 0.00 | 1 | -0.53 | 20 | -10.60 | | | Valdes Escobar, Alvaro | m | | 2381 | CHI | 0.00 | 1 | -0.29 | 20 | -5.80 | | | O`donnell, Conor | f | | 2333 | IRL | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Sodoma, Jan | m | | 2347 | CZE | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Longson, Sarah | | wf | 2125 | ENG | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Neuman, Petr | g | | 2438 | CZE | 0.00 | 1 | -0.22 | 20 | -4.40 | | | O`gorman, Tom | f | | 2145 | IRL | 0.00 | 1 | -0.60 | 20 | -12.00 | | | Mueller, Reinhold | f | | 2294 | GER | 0.00 | 1 | -0.40 | 20 | -8.00 | |
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) | | | | National Club Championships 2018 | Athlone | IRL | 2018-04-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2173 | 2217 | 2.00 | 4 | -0.14 | 20 | -2.80 | |
| | Collins, Sam | m | | 2452 | IRL | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Costello, John | | | 1817 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Moran, Stephen | | | 2129 | IRL | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Mueller, Reinhold | f | | 2294 | IRL | 0.00 | 1 | -0.39 | 20 | -7.80 | | | * 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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