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Individual Calculations December 2023 |
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| Sandrey, Jade Total change: -68.80 | |   |
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| Greenisland FC Chess U1800 Classic 2023 | Carrickfergus | IRL | 2023-10-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1567 | 1603 | 0.00 | 1 | -0.55 | 40 | -22.00 | |
|  Wesolowski, Andrzej | | | 1567 | IRL | 0.00 | 1 | -0.55 | 40 | -22.00 | |
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) | | | | Ulster Masters 2023 | Lisburn | IRL | 2023-11-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1667 | 1603 | 1.00 | 5 | -1.17 | 40 | -46.80 | |
| | Annesley, Gareth | | | 1963 | IRL | 0.00 | 1 | -0.10 | 40 | -4.00 | |  Grey, Tom | | | 1502 | IRL | 0.00 | 1 | -0.64 | 40 | -25.60 | | | Rushe, Adam | | | 1551 | IRL | 1.00 | 1 | 0.43 | 40 | 17.20 | | | Gallagher, Brian | | | 1781 | IRL | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Lavery, Robert | | | 1539 | IRL | 0.00 | 1 | -0.59 | 40 | -23.60 | |
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) | | |
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