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Individual Calculations September 2019 |
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| O`daly, Liam Total change: -9.20 | |   |
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| The Irish Championships 2019: Major | Dublin | IRL | 2019-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1668 | 1700 | 2.50 | 5 | -0.20 | 40 | -8.00 | |
|  Collins, Adam | | | 1583 | IRL | 1.00 | 1 | 0.34 | 40 | 13.60 | |  Killane, Jack | | | 1816 | IRL | 0.50 | 1 | 0.16 | 40 | 6.40 | | | O`neill, Sam | | | 1891 | IRL | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Spackman, Conor | | | 1470 | IRL | 0.00 | 1 | -0.79 | 40 | -31.60 | | | Curtis, John W. | | | 1580 | IRL | 1.00 | 1 | 0.34 | 40 | 13.60 | |
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 |
| 1599 | 1700 | 2.50 | 4 | -0.03 | 40 | -1.20 | |
| | Paibir, Atharva | | | 1361 | IRL | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Arshakyan, Arman | | | 1450 | IRL | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Zeydan, Salih | | | 2079 | TUR | 0.00 | 1 | -0.09 | 40 | -3.60 | | | O`hanlon, Joe | | | 1505 | IRL | 0.50 | 1 | -0.25 | 40 | -10.00 | |
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) | | |
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