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Individual Calculations February 2020 |
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| Murray, Jim Total change: -4.20 | |   |
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| LCU Ennis Shield 2019-20 Round 6 | Leinster | IRL | 2020-01-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1798 | 1923 | 0.50 | 1 | -0.17 | 20 | -3.40 | |
|  Jackson, Peter D. | | | 1798 | IRL | 0.50 | 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) | | | | The Irish over 50 and over 65 Championships 2020 | Dublin | IRL | 2020-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1735 | 1923 | 5.00 | 7 | -0.04 | 20 | -0.80 | |
| | Donohoe, Eugene | | | 1599 | IRL | 0.50 | 1 | -0.37 | 20 | -7.40 | |  Ui Laighleis, Gearoidin | | wc | 1763 | IRL | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Murphy, Sean | | | 1848 | IRL | 0.00 | 1 | -0.60 | 20 | -12.00 | | | Deneher, Jimmy | | | 1740 | IRL | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Lynch, Peter J. | | | 1653 | IRL | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Barry, Suzanne | | | 1523 * | IRL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Macelligott, Gerard | c | | 2017 | IRL | 1.00 | 1 | 0.63 | 20 | 12.60 | | | * 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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