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Individual Calculations October 2021 |
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| Bridgeman, Niamh Total change: 137.60 | |   |
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| 26th 4NCL Congress Major | Leamington Spa | ENG | 2021-09-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1752 | 1664 | 3.00 | 3 | 1.84 | 40 | 73.60 | |
|  Radford, Mark Sr | | | 1647 | ENG | 1.00 | 1 | 0.48 | 40 | 19.20 | |  Di-Vetta, Andrew | | | 1732 | WLS | 1.00 | 1 | 0.59 | 40 | 23.60 | | | Hickman, John E | | | 1876 | ENG | 1.00 | 1 | 0.77 | 40 | 30.80 | |
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 |
| 1982 | 1664 | 2.00 | 3 | 1.60 | 40 | 64.00 | |
| | Robertson, David A | | | 1952 | SCO | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Symonds, Richard H | | | 1981 | ENG | 1.00 | 1 | 0.87 | 40 | 34.80 | | | Ackley, Peter J E | | | 2014 | ENG | 0.50 | 1 | 0.39 | 40 | 15.60 | |
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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