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Individual Calculations October 2021 |
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| Twomey, Pat Total change: -25.20 | |   |
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| The Irish over50 and over65 championship 2021 | Dublin | IRL | 2021-09-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1667 | 1777 | 0.00 | 2 | -1.26 | 20 | -25.20 | |
|  Divilly, Paddy | | | 1507 | IRL | 0.00 | 1 | -0.83 | 20 | -16.60 | | | Gibson, John F. | | | 1827 | IRL | 0.00 | 1 | -0.43 | 20 | -8.60 | |
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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