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Individual Calculations September 2017 |
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| Naughton, James Total change: 35.20 | |   |
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| Irish Championships 2017 Major | Ennis | IRL | 2017-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1900 | 1783 | 1.50 | 3 | 0.47 | 40 | 18.80 | |
|  McMorrow, John | | | 1973 | IRL | 0.00 | 1 | -0.25 | 40 | -10.00 | | | O`donnell, Michael | | | 1874 | IRL | 1.00 | 1 | 0.62 | 40 | 24.80 | |  O`donovan, Paul | | | 1852 | IRL | 0.50 | 1 | 0.10 | 40 | 4.00 | |
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) | | | | Irish Championships 2017 Open | Ennis | IRL | 2017-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1779 | 1803 | 2.00 | 3 | 0.41 | 40 | 16.40 | |
| | Fitzgerald, Niall | | | 1482 | IRL | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Mirza, Gabriel | | | 1746 | IRL | 1.00 | 1 | 0.42 | 40 | 16.80 | | | Murray, David B. | | | 2110 | IRL | 0.00 | 1 | -0.14 | 40 | -5.60 | |
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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