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Individual Calculations February 2019 |
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| Whelan, Niall P. Total change: 6.20 | |   |
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| LCU Ennis Shield 2018-19 Rounds 3-4 | Dublin | IRL | 2018-10-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1550 | 1582 | 0.50 | 1 | -0.04 | 20 | -0.80 | |
|  Durkan, Joe | | | 1550 | IRL | 0.50 | 1 | -0.04 | 20 | -0.80 | |
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) | | | | LCU Ennis Shield 2018-19 Rounds 5-6 | Dublin | IRL | 2018-12-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1593 | 1601 | 1.00 | 2 | -0.02 | 20 | -0.40 | |
| | Ferguson, John M. | | | 1523 | IRL | 0.50 | 1 | -0.11 | 20 | -2.20 | |  Fitzpatrick, Tom | | | 1663 | IRL | 0.50 | 1 | 0.09 | 20 | 1.80 | |
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 |
| 1730 | 1601 | 2.50 | 6 | 0.37 | 20 | 7.40 | |
| | Macelligott, Gerard | c | | 2001 * | IRL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Martin, Desmond | | | 1337 | IRL | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Salter, David | | | 1900 | IRL | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Dempsey, Denis | | | 1524 | IRL | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Coldrick, Art | | | 1777 | IRL | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Murphy, Sean | | | 1838 | IRL | 0.00 | 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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