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Individual Calculations December 2018 |
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| O`brien, Liam Total change: -26.20 | |   |
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| Limerick Open 2018 | Limerick | IRL | 2018-10-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1697 | 1839 | 3.00 | 4 | 0.33 | 20 | 6.60 | |
|  Daly, Colm | f | | 2239 * | IRL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | O`connell, Michael Joseph | | | 1497 | IRL | 1.00 | 1 | 0.12 | 20 | 2.40 | |  Putar, Lara | | | 1443 | CRO | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Putar, Slavko | | | 1610 | CRO | 1.00 | 1 | 0.21 | 20 | 4.20 | | | * 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) | | | | Munster Leagues 2018-19 Rounds 1-2 | Limerick | IRL | 2018-11-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1764 | 1839 | 0.00 | 2 | -1.20 | 20 | -24.00 | |
| | Larter, Nick J. | | | 1809 | IRL | 0.00 | 1 | -0.54 | 20 | -10.80 | | | Foley, Kevin | | | 1719 | IRL | 0.00 | 1 | -0.66 | 20 | -13.20 | |
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) | | | | Munster Leagues 2018-19 Rounds 3-4 | Limerick | IRL | 2018-11-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1673 | 1839 | 1.00 | 2 | -0.44 | 20 | -8.80 | |
| | O`brien, Ray | | | 1640 | IRL | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Hackett, Len | | | 1705 | IRL | 0.00 | 1 | -0.68 | 20 | -13.60 | |
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) | | |
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