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Individual Calculations September 2017 |
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| O`donnell, Michael Total change: -34.20 | |   |
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| Irish Championships 2017 Major | Ennis | IRL | 2017-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1616 | 1874 | 1.50 | 4 | -1.71 | 20 | -34.20 | |
|  Carroll, Peter | | | 1563 | IRL | 0.50 | 1 | -0.36 | 20 | -7.20 | |  Murray, Sam | | | 1563 | IRL | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Naughton, James | | | 1783 | IRL | 0.00 | 1 | -0.62 | 20 | -12.40 | | | Armstrong, Chris | | | 1553 | IRL | 0.00 | 1 | -0.87 | 20 | -17.40 | |
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) | | |
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