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Individual Calculations February 2018 |
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| O`connell, Denis Total change: 18.40 | |   |
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| The Irish over 50, over 65 Championships 2018 | Dublin | IRL | 2018-01-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1950 | 1765 | 2.00 | 4 | 0.92 | 20 | 18.40 | |
|  Cafolla, Peter | | | 1992 | IRL | 0.50 | 1 | 0.29 | 20 | 5.80 | |  Macelligott, Gerard | c | | 2010 | IRL | 0.00 | 1 | -0.20 | 20 | -4.00 | | | McCarthy, Tim | | | 2028 | IRL | 1.00 | 1 | 0.82 | 20 | 16.40 | | | Fitzsimons, Pat | | | 1769 | IRL | 0.50 | 1 | 0.01 | 20 | 0.20 | |
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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