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Individual Calculations February 2023 |
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| Macelligott, Gerard Total change: -58.80 | |   |
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| The Irish 65plus Championships 2023 | Dublin | IRL | 2023-01-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1649 | 1980 | 3.00 | 6 | -2.14 | 20 | -42.80 | |
|  Coldrick, Art | | | 1665 | IRL | 0.50 | 1 | -0.36 | 20 | -7.20 | |  Matthews, Gabriel | | | 1748 | IRL | 0.00 | 1 | -0.79 | 20 | -15.80 | | | Scott, Shay | | | 1469 | IRL | 0.50 | 1 | -0.46 | 20 | -9.20 | | | Howley, Kieran | | | 1580 * | IRL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Boyle, Bernard | | | 1820 | IRL | 0.00 | 1 | -0.71 | 20 | -14.20 | | | Donohoe, Eugene | | | 1612 | IRL | 1.00 | 1 | 0.10 | 20 | 2.00 | | | * 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) | | | | Munster League 2022-3 Rounds 3-4 | Charleville | IRL | 2023-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1863 | 1980 | 0.50 | 2 | -0.80 | 20 | -16.00 | |
| | King, Andrew | | | 1753 | IRL | 0.50 | 1 | -0.29 | 20 | -5.80 | | | Chavdarov, Denislav Andonov | | | 1972 | IRL | 0.00 | 1 | -0.51 | 20 | -10.20 | |
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) | | |
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