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Individual Calculations October 2017 |
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| Bullen, Alex Total change: -2.20 | |   |
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| South Wales Summer Congress 2017 | Penarth | WLS | 2017-09-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1951 | 2049 | 3.00 | 5 | -0.11 | 20 | -2.20 | |
|  Turner, Joseph David | | | 1918 | WLS | 1.00 | 1 | 0.32 | 20 | 6.40 | |  Jukes, Sam | | | 1733 | WLS | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Brown, Thomas | | | 2020 | WLS | 0.00 | 1 | -0.54 | 20 | -10.80 | | | Ralphs, Nigel | | | 2048 | WLS | 0.50 | 1 | 0.00 | 20 | 0.00 | | | Young, Alan | | | 2034 | WLS | 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) | | |
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