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Individual Calculations June 2023 |
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| Mason, Donald J Total change: -2.20 | |   |
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| 2022/23 4NCL Division 3 West Rounds 9-11 | Warwick | ENG | 2023-04-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1821 | 2067 | 1.50 | 2 | -0.10 | 20 | -2.00 | |
|  Potter, Steven | | | 1738 | ENG | 1.00 | 1 | 0.12 | 20 | 2.40 | |  Edwards-Wright, Miles D | | | 1904 | ENG | 0.50 | 1 | -0.22 | 20 | -4.40 | |
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) | | | | English Seniors Championships 2023 - Over 50 | Leamington Spa | ENG | 2023-05-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2051 | 2054 | 1.50 | 3 | -0.01 | 20 | -0.20 | |
| | Dishman, Stephen | f | | 2259 | ENG | 0.50 | 1 | 0.26 | 20 | 5.20 | | | Gardiner, Eric D | | | 1830 | ENG | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Thompson, Ian D | f | | 2064 | 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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