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Individual Calculations September 2023 |
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| Costello, Colin A Total change: -1.20 | |   |
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| Northumbria Masters Challengers | Newcastle upon Tyne | ENG | 2023-08-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1771 | 1823 | 5.00 | 9 | -0.06 | 20 | -1.20 | |
|  Revell, Jeremy | | | 1546 | ENG | 0.50 | 1 | -0.33 | 20 | -6.60 | |  Kalerwa, Edwin M | | | 1694 | ENG | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Holi, Sief Al Din | | | 1706 | SUD | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Scallan, Fiachra | | | 1925 | IRL | 0.50 | 1 | 0.14 | 20 | 2.80 | | | McKay, Jonathan | | | 1920 | SCO | 0.50 | 1 | 0.13 | 20 | 2.60 | | | Liu, Tianyi (jack) | | | 1970 | ENG | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Pyun, Lindsay | | | 1602 | ENG | 0.00 | 1 | -0.78 | 20 | -15.60 | | | Sykes, Chris | | | 1765 | SCO | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Quillaud, Maxime | | | 1815 | ENG | 0.50 | 1 | -0.01 | 20 | -0.20 | |
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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