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Individual Calculations December 2017 |
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| Potter, Steven Total change: -29.80 | |   |
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| 16th 4NCL Congress Major | Coventry | ENG | 2017-11-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1688 | 1842 | 2.50 | 5 | -0.97 | 20 | -19.40 | |
|  Holroyd, Nigel P | | | 1856 | ENG | 0.00 | 1 | -0.48 | 20 | -9.60 | |  Ross, Stuart | | | 1641 | ENG | 1.00 | 1 | 0.24 | 20 | 4.80 | | | See, Tristian | | | 1683 | ENG | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Dunkley, Michael | | | 1713 | ENG | 0.50 | 1 | -0.17 | 20 | -3.40 | | | Gogia, Armaan | | | 1545 | ENG | 0.50 | 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) | | | | 2017/18 4NCL Division 3 North Rounds 1-2 | Doncaster | ENG | 2017-11-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1837 | 1842 | 0.50 | 2 | -0.52 | 20 | -10.40 | |
| | Cowan, Richard M | | | 1851 | ENG | 0.50 | 1 | 0.01 | 20 | 0.20 | | | Koselova, Zuzana | | | 1822 | SVK | 0.00 | 1 | -0.53 | 20 | -10.60 | |
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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