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Individual Calculations February 2020 |
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| McMahon, John Total change: -42.60 | |   |
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| LCU Ennis Shield 2019-20 Rounds 2-5 | Leinster | IRL | 2019-10-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1822 | 1711 | 0.00 | 2 | -0.70 | 20 | -14.00 | |
|  Goss, Alex | | | 1798 | IRL | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Kelly, John C. | | | 1846 | IRL | 0.00 | 1 | -0.32 | 20 | -6.40 | |
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) | | | | The Irish over 50 and over 65 Championships 2020 | Dublin | IRL | 2020-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1741 | 1718 | 1.00 | 5 | -1.43 | 20 | -28.60 | |
|  Delaney, John | f | | 2118 * | IRL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Fitzpatrick, Kevin | | | 1431 | IRL | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Reynolds, Pat | | | 1908 | IRL | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Donohoe, Eugene | | | 1599 | IRL | 0.00 | 1 | -0.66 | 20 | -13.20 | | | Scott, Peter | | | 1647 | IRL | 0.00 | 1 | -0.60 | 20 | -12.00 | | | * 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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