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Individual Calculations June 2023 |
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| Garnett, John S Total change: 28.40 | |   |
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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 |
| 1662 | 1839 | 1.50 | 2 | 0.10 | 20 | 2.00 | |
|  Jones, Mark A | | | 1829 | ENG | 0.50 | 1 | -0.01 | 20 | -0.20 | |  Sloan, Cecil | | | 1494 | USA | 1.00 | 1 | 0.11 | 20 | 2.20 | |
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) | | | | 2022/23 4NCL Division 4 Rounds 9-11 | Warwick | ENG | 2023-04-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1731 | 1839 | 1.00 | 1 | 0.35 | 20 | 7.00 | |
| | Foster, Cyril | | | 1731 | ENG | 1.00 | 1 | 0.35 | 20 | 7.00 | |
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) | | | | Durham County Chess Congress - Open | Darlington | ENG | 2023-05-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2017 | 1803 | 2.00 | 4 | 0.97 | 20 | 19.40 | |
| | Shahbazi, Mahmoud | | | 1989 | ENG | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Watson, Jacob | | | 1886 | ENG | 1.00 | 1 | 0.61 | 20 | 12.20 | | | Neat, Ken P | | | 2262 | ENG | 0.50 | 1 | 0.45 | 20 | 9.00 | | | Ackley, Peter J E | | | 1929 | ENG | 0.50 | 1 | 0.17 | 20 | 3.40 | |
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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