Individual Calculations August 2022 |
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Blackburn, Jonathan L B Total change: -20.00 | | ![Rating chart](/imga/chart.gif) ![Personal card](/imga/card.gif) |
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17th South Wales International Open | Bridgend | WLS | 2022-07-07 |
Rc | Ro | w | n | change | K | K*chg | Game |
2070 | 2176 | 4.50 | 9 | -1.00 | 20 | -20.00 | |
| McKenna, Joshua | | | 1776 * | WLS | 1.00 | 1 | 0.08 | 20 | 1.60 | | Di-Vetta, Andrew | | | 1755 | WLS | 1.00 | 1 | 0.07 | 20 | 1.40 | | Wells, Peter K | g | | 2379 | ENG | 0.50 | 1 | 0.26 | 20 | 5.20 | | Arkell, Keith C | g | | 2400 | ENG | 0.00 | 1 | -0.22 | 20 | -4.40 | | Fathallah, Joe | | | 1912 | WLS | 1.00 | 1 | 0.18 | 20 | 3.60 | | Maksimenko, Andrei | g | | 2434 | UKR | 0.00 | 1 | -0.18 | 20 | -3.60 | | Rathbone-Jones, Ifan | | | 1936 | WLS | 0.50 | 1 | -0.30 | 20 | -6.00 | | De Coverly, Roger D | | | 1914 | ENG | 0.50 | 1 | -0.32 | 20 | -6.40 | | Murphy, Hugh W | | | 2125 | ENG | 0.00 | 1 | -0.57 | 20 | -11.40 | | * 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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