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Individual Calculations February 2023 |
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| Murray, Jim Total change: -8.60 | |   |
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| LCU Ennis Shield 2022-3 Rounds 3-4 | Leinster | IRL | 2022-10-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1601 | 1908 | 0.50 | 1 | -0.36 | 20 | -7.20 | |
|  Harrington, Eoin | | | 1601 | IRL | 0.50 | 1 | -0.36 | 20 | -7.20 | |
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 65plus Championships 2023 | Dublin | IRL | 2023-01-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1807 | 1879 | 4.00 | 7 | -0.07 | 20 | -1.40 | |
| | Fitzpatrick, Kevin | | | 1479 * | IRL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Jackson, Peter D. | | | 1769 | IRL | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Matthews, Gabriel | | | 1748 | IRL | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Reynolds, Pat | | | 1870 | IRL | 1.00 | 1 | 0.49 | 20 | 9.80 | | | Harding, Tim | c | | 1921 | IRL | 0.50 | 1 | 0.06 | 20 | 1.20 | | | O`connell, Gerard | | | 2062 | IRL | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Lohan, Martin | | | 1797 | IRL | 0.50 | 1 | -0.11 | 20 | -2.20 | | | * 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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