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Individual Calculations June 2023 |
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| Shahbazi, Mahmoud Total change: -4.40 | |   |
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| Durham County Chess Congress - Open | Darlington | ENG | 2023-05-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1870 | 1989 | 2.50 | 4 | -0.11 | 40 | -4.40 | |
|  Garnett, John S | | | 1803 | ENG | 1.00 | 1 | 0.26 | 40 | 10.40 | |  Ilett, Raymond J | | | 1803 | ENG | 0.50 | 1 | -0.24 | 40 | -9.60 | | | Coathup, Roger H | | | 2087 | ENG | 0.50 | 1 | 0.13 | 40 | 5.20 | | | Sykes, Chris | | | 1785 | SCO | 0.50 | 1 | -0.26 | 40 | -10.40 | |
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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