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Individual Calculations October 2021 |
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| Varney, Zoe Total change: 19.60 | |   |
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| 26th 4NCL Congress Open | Leamington Spa | ENG | 2021-09-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2079 | 1917 | 1.50 | 3 | 0.64 | 20 | 12.80 | |
|  Starley, Robert | | | 2062 | ENG | 1.00 | 1 | 0.69 | 20 | 13.80 | |  Paterson, Andrew I | | | 2058 | ENG | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Modi, Shyam Jagdish | | | 2118 | ENG | 0.50 | 1 | 0.26 | 20 | 5.20 | |
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) | | | | 57th Northumberland Chess Weekender | Newcastle | ENG | 2021-09-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1891 | 1917 | 2.50 | 4 | 0.34 | 20 | 6.80 | |
| | Waterfield, Mark | | | 1679 | ENG | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Addison, Bret C | | | 2209 | ENG | 0.50 | 1 | 0.35 | 20 | 7.00 | | | Jones, Neil T | | | 1834 | ENG | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Robson, Paul E | | | 1842 | ENG | 0.50 | 1 | -0.10 | 20 | -2.00 | |
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) | | |
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