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Individual Calculations September 2019 |
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| O`hanlon, Joe Total change: 20.80 | |   |
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| The Irish Championships 2019: Major | Dublin | IRL | 2019-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1641 | 1505 | 2.00 | 5 | 0.41 | 20 | 8.20 | |
|  Rrasa, Elvan | | | 1653 | ITA | 0.00 | 1 | -0.30 | 20 | -6.00 | |  Lynch, Peter J. | | | 1693 | IRL | 0.50 | 1 | 0.24 | 20 | 4.80 | | | Hearne, Sarah Jane | | wc | 1552 | IRL | 1.00 | 1 | 0.57 | 20 | 11.40 | | | Egan, Colm | | | 1703 | IRL | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Murphy, Cathal | | | 1605 | IRL | 0.50 | 1 | 0.14 | 20 | 2.80 | |
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 Championships 2019: Weekday Open | Dublin | IRL | 2019-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1708 | 1505 | 1.50 | 3 | 0.70 | 20 | 14.00 | |
| | Honner, Mervyn | | | 1524 | IRL | 1.00 | 1 | 0.53 | 20 | 10.60 | | | Cullen, Ben | | | 1901 | IRL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | O`daly, Liam | | | 1700 | IRL | 0.50 | 1 | 0.25 | 20 | 5.00 | |
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 Championships 2019: Open Weekender | Dublin | IRL | 2019-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1726 | 1505 | 1.00 | 4 | -0.07 | 20 | -1.40 | |
| | Binu Daniel, Nived | | | 1333 | IRL | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Pein, Jonathan | | | 1905 * | ENG | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Lohan, Martin | | | 1773 | IRL | 0.00 | 1 | -0.17 | 20 | -3.40 | | | O`neill, Sam | | | 1891 | IRL | 0.00 | 1 | -0.09 | 20 | -1.80 | | | * 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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