Individual Calculations August 2017 |
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Waterfield, John W Total change: -20.80 | | |
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2nd North Wales Fide Open | Llandudno | WLS | 2017-06-30 |
Rc | Ro | w | n | change | K | K*chg | Game |
1952 | 1967 | 1.00 | 3 | -0.57 | 20 | -11.40 | |
| Jackson, Oliver A | f | | 2169 | ENG | 0.00 | 1 | -0.24 | 20 | -4.80 | | Ridge, Michael | | | 1872 | SCO | 0.00 | 1 | -0.63 | 20 | -12.60 | | Livesey, R Nigel | | | 1814 | ENG | 1.00 | 1 | 0.30 | 20 | 6.00 | | 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) | | 14th South Wales International Open | Cardiff | WLS | 2017-07-08 |
Rc | Ro | w | n | change | K | K*chg | Game |
1922 | 1967 | 4.50 | 9 | -0.47 | 20 | -9.40 | |
| Williams, David J | | | 1567 * | WLS | 1.00 | 1 | 0.08 | 20 | 1.60 | | Brown, Thomas | | | 2063 | WLS | 0.50 | 1 | 0.13 | 20 | 2.60 | | Lauridsen, Jesper Morch | f | | 2247 | DEN | 0.50 | 1 | 0.34 | 20 | 6.80 | | Whitehead, Mark A | | | 1917 | ENG | 0.50 | 1 | -0.07 | 20 | -1.40 | | Pleasants, Allan J | | | 2103 | WLS | 0.00 | 1 | -0.32 | 20 | -6.40 | | James, Dai | | | 1832 | WLS | 0.50 | 1 | -0.18 | 20 | -3.60 | | Wilson, Matthew R | | | 1829 | ENG | 0.50 | 1 | -0.19 | 20 | -3.80 | | Dixon, Chris | | | 1806 | WLS | 1.00 | 1 | 0.29 | 20 | 5.80 | | Freeland, Alex | | | 1931 | WLS | 0.00 | 1 | -0.55 | 20 | -11.00 | | * 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) | |
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