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Individual Calculations September 2018 |
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| Murphy, Sean Total change: 43.20 | |   |
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| The Irish Championships 2018 Open Weekender | Dublin | IRL | 2018-08-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1959 | 1834 | 2.50 | 4 | 1.08 | 40 | 43.20 | |
|  O`hanlon, Joe | | | 1476 | IRL | 1.00 | 1 | 0.10 | 40 | 4.00 | |  Quinn, Ciaran | | | 1996 | IRL | 0.50 | 1 | 0.21 | 40 | 8.40 | | | O`connor, Jonathan | | | 2234 * | IRL | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Steil-Antoni, Fiona | | wm | 2129 | LUX | 0.00 | 1 | -0.15 | 40 | -6.00 | | | * 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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