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Individual Calculations October 2021 |
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| Murray, David Total change: -17.60 | |   |
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| The 100th Irish Championships 2021 | Dublin | IRL | 2021-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2020 | 2142 | 5.00 | 9 | -0.88 | 20 | -17.60 | |
|  Aherne, John P. | | | 1903 | IRL | 1.00 | 1 | 0.20 | 20 | 4.00 | |  Heidenfeld, Mark | m | | 2360 | IRL | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Tirziman, Rudolf | | | 1941 | IRL | 0.00 | 1 | -0.76 | 20 | -15.20 | | | O`gorman, Alice | | | 1907 | IRL | 0.50 | 1 | -0.29 | 20 | -5.80 | | | Putar, Lara | | | 1930 | IRL | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Macelligott, Gerard | c | | 1966 | IRL | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Scott, Luke | | | 1906 | IRL | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Duffy, Seamus | | | 1945 | IRL | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Fitzsimons, David | m | | 2324 | IRL | 0.00 | 1 | -0.26 | 20 | -5.20 | |
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) | | |
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