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Individual Calculations February 2018 |
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| De Coverly, Roger D Total change: 5.20 | |   |
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| Shropshire Chess Congress | Telford | ENG | 2018-01-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2017 | 1969 | 1.50 | 5 | -0.81 | 20 | -16.20 | |
|  Wallace, John-Paul | m | | 2369 * | AUS | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Marlow, Ben | | | 1822 | ENG | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Sygnowski, Tomasz | | | 2151 | POL | 0.50 | 1 | 0.24 | 20 | 4.80 | | | Paul, Nathanael | | | 1876 | ENG | 0.00 | 1 | -0.63 | 20 | -12.60 | | | Hilton, Tim | | | 1868 | ENG | 0.00 | 1 | -0.64 | 20 | -12.80 | | | * 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) | | | | 2017/18 4NCL Division 4 South Rounds 3-4 | Reading | ENG | 2018-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1922 | 1969 | 1.00 | 2 | -0.13 | 20 | -2.60 | |
| | Watson, Jacob | | | 1862 | ENG | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Tucker, David S | | | 1981 | ENG | 0.50 | 1 | 0.02 | 20 | 0.40 | |
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) | | | | 17th 4NCL Congress Major | Harrogate | ENG | 2018-01-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1914 | 1969 | 3.50 | 4 | 1.20 | 20 | 24.00 | |
| | Bielby, Paul R | | | 1883 | ENG | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Slinger, Aj (tony) | | | 1863 | ENG | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Bennett, Dominic L | | | 1969 | ENG | 1.00 | 1 | 0.50 | 20 | 10.00 | | | Ter-Gevorkian, Aram | | | 1939 | GRE | 1.00 | 1 | 0.46 | 20 | 9.20 | |
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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