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Individual Calculations February 2023 |
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| McCarthy, Tim Total change: -27.60 | |   |
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| The Irish 65plus Championships 2023 | Dublin | IRL | 2023-01-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1720 | 2016 | 4.50 | 7 | -1.38 | 20 | -27.60 | |
|  O`neill, Julia | | | 1711 | USA | 1.00 | 1 | 0.14 | 20 | 2.80 | |  Cafolla, Peter | | | 1868 | IRL | 0.00 | 1 | -0.70 | 20 | -14.00 | | | Coldrick, Art | | | 1665 | IRL | 0.50 | 1 | -0.39 | 20 | -7.80 | | | O`hanlon, Pat | | | 1642 | IRL | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Jackson, Peter D. | | | 1769 | IRL | 0.50 | 1 | -0.31 | 20 | -6.20 | | | Scott, Shay | | | 1616 * | IRL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Twomey, Pat | | | 1771 | IRL | 1.00 | 1 | 0.20 | 20 | 4.00 | | | * 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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