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Individual Calculations October 2021 |
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| Duffy, Seamus Total change: 8.00 | |   |
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| The 100th Irish Championships 2021 | Dublin | IRL | 2021-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2030 | 1945 | 4.00 | 9 | 0.40 | 20 | 8.00 | |
|  Heidenfeld, Mark | m | | 2345 * | IRL | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Murray, Sam | | | 1621 | IRL | 0.50 | 1 | -0.37 | 20 | -7.40 | | | Doyle, Anthony | | | 2206 | IRL | 0.50 | 1 | 0.32 | 20 | 6.40 | | | O`flaherty, Kevin | | | 1884 | IRL | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Fox, Anthony | | | 2005 | IRL | 1.00 | 1 | 0.58 | 20 | 11.60 | | | Kanyamarala, Trisha | | wm | 2180 | IRL | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Goss, Alex | | | 1833 | IRL | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Murray, David | | | 2142 | IRL | 0.00 | 1 | -0.25 | 20 | -5.00 | | | O`connell, Gerard | | | 2051 | IRL | 0.00 | 1 | -0.36 | 20 | -7.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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