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Individual Calculations February 2023 |
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| Arkell, Keith C Total change: -2.00 | |   |
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| 2022/23 4NCL Division 1 Rounds 3-4 | Daventry | ENG | 2023-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2134 | 2406 | 2.00 | 2 | 0.34 | 10 | 3.40 | |
|  Blackburn, Jonathan L B | f | | 2169 | WLS | 1.00 | 1 | 0.20 | 10 | 2.00 | |  Li, Harry | | | 2099 | ENG | 1.00 | 1 | 0.14 | 10 | 1.40 | |
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) | | | | 29th 4NCL Congress Open | Harrogate | ENG | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2025 | 2406 | 4.00 | 5 | -0.54 | 10 | -5.40 | |
| | Bak, Christopher | | | 2010 | ENG | 0.50 | 1 | -0.42 | 10 | -4.20 | | | Gardiner, Eric D | | | 2006 * | ENG | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Head, Louise | | wf | 2015 | ENG | 0.50 | 1 | -0.41 | 10 | -4.10 | | | Stubbs, Oliver | | | 2036 | ENG | 1.00 | 1 | 0.10 | 10 | 1.00 | | | Burrows, Martin P | | | 2058 | ENG | 1.00 | 1 | 0.11 | 10 | 1.10 | | | * 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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