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Individual Calculations September 2019 |
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| O`donoghue, Denis J. Total change: 4.20 | |   |
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| The Irish Championships 2019: Open Weekender | Dublin | IRL | 2019-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1766 | 1999 | 4.00 | 5 | 0.21 | 20 | 4.20 | |
|  O`laoide, Liam | | | 1629 | IRL | 1.00 | 1 | 0.10 | 20 | 2.00 | |  Lohan, Martin | | | 1773 | IRL | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Renji, Rafael Ninan | | | 1599 * | IRL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Pein, Jonathan | | | 2134 | ENG | 0.00 | 1 | -0.32 | 20 | -6.40 | | | O`reilly, Ciaran | | | 1693 | IRL | 1.00 | 1 | 0.14 | 20 | 2.80 | | | * 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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