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Individual Calculations September 2018 |
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| Jackson, Peter Total change: -16.80 | |   |
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| The Irish Championships 2018 Major | Dublin | IRL | 2018-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1678 | 1895 | 3.00 | 5 | -0.87 | 20 | -17.40 | |
|  Loughran, John | | | 1770 | IRL | 0.50 | 1 | -0.17 | 20 | -3.40 | |  Lynch, Peter | | | 1712 | IRL | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Collins, Tom | | | 1603 | IRL | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Doyle, Gavin | | | 1626 | IRL | 0.00 | 1 | -0.83 | 20 | -16.60 | | | Condon, Gerard | | | 1679 | IRL | 1.00 | 1 | 0.22 | 20 | 4.40 | |
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 Championships 2018 Open Weekender | Dublin | IRL | 2018-08-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1712 | 1895 | 1.50 | 2 | 0.03 | 20 | 0.60 | |
| | Peoples, Jonathan | | | 1776 | IRL | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Donohoe, Eugene | | | 1648 | IRL | 1.00 | 1 | 0.19 | 20 | 3.80 | |
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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