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Individual Calculations September 2018 |
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| Urala Gamage, Vihanga Total change: 20.80 | |   |
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| The Irish Championships 2018 Weekday Open | Dublin | IRL | 2018-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1656 | 1457 | 1.00 | 4 | -0.06 | 40 | -2.40 | |
|  Peoples, Jonathon | | | 1776 | IRL | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Loughran, John | | | 1770 | IRL | 1.00 | 1 | 0.86 | 40 | 34.40 | |  Baird, David | | | 1649 | IRL | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Fitzpatrick, Kevin | | | 1428 | IRL | 0.00 | 1 | -0.54 | 40 | -21.60 | |
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 Championships 2018 Open Weekender | Dublin | IRL | 2018-08-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1489 | 1457 | 2.00 | 3 | 0.58 | 40 | 23.20 | |
| | Grant, David | | | 1131 | IRL | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Murray, Sam | | | 1479 | IRL | 1.00 | 1 | 0.53 | 40 | 21.20 | | | Flynn, Jacob | | | 1857 * | IRL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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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