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Individual Calculations June 2013 |
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| Leichert, Piotr Total change: 5.70 | |   |
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| Munster Chess Union Division 1 2012-13 | Charleville, Cork, Ennis, Limerick, Mallow | IRL | 2012-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1895 | 1860 | 2.00 | 4 | 0.19 | 30 | 5.70 | |
|  O`Brien, Ray | | | 1714 | IRL | 1.00 | 1 | 0.30 | 30 | 9.00 | | | Cormican, John A. | | | 2019 | IRL | 0.00 | 1 | -0.29 | 30 | -8.70 | |  O`Brien, Liam | | | 1923 | IRL | 1.00 | 1 | 0.59 | 30 | 17.70 | | | O`Brien, Liam | | | 1923 | IRL | 0.00 | 1 | -0.41 | 30 | -12.30 | |
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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