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Individual Calculations February 2019 |
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| Murphy, Sean Total change: 28.80 | |   |
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| LCU Armstrong Cup 2018-19 Rounds 5-6 | Dublin | IRL | 2018-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1880 | 1833 | 2.00 | 2 | 1.13 | 20 | 22.60 | |
|  Smith, Gerard | | | 1824 | IRL | 1.00 | 1 | 0.49 | 20 | 9.80 | |  Nolan, Conor | | | 1936 | IRL | 1.00 | 1 | 0.64 | 20 | 12.80 | |
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) | | | | The Irish O-50 and O-65 Championships 2019 | Dublin | IRL | 2019-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1806 | 1838 | 4.00 | 7 | 0.31 | 20 | 6.20 | |
| | Reynolds, David | | | 1438 * | IRL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Wallace, Paul | | | 2133 | IRL | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Donohoe, Eugene | | | 1579 | IRL | 1.00 | 1 | 0.18 | 20 | 3.60 | | | McCarthy, Tim | | | 1958 | IRL | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Harding, Tim | c | | 2031 | IRL | 0.50 | 1 | 0.25 | 20 | 5.00 | | | Salter, David | | | 1900 | IRL | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Whelan, Niall | | | 1601 | 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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