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Individual Calculations August 2017 |
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| James, Dai Total change: 28.60 | |   |
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| 14th South Wales International Open | Cardiff | WLS | 2017-07-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1985 | 1832 | 2.50 | 5 | 0.92 | 20 | 18.40 | |
|  Pleasants, Allan J | | | 2103 | WLS | 0.50 | 1 | 0.33 | 20 | 6.60 | |  Heaven, Pete | | | 2010 | WLS | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Marusenko, Petr | m | | 2162 | UKR | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Williams, Stephen | | | 1683 | WLS | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Waterfield, John W | | | 1967 | WLS | 0.50 | 1 | 0.18 | 20 | 3.60 | |
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) | | | | Jessica Gilbert Cup 2017 | Cardiff | WLS | 2017-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1611 | 1832 | 3.50 | 4 | 0.51 | 20 | 10.20 | |
| | Fraser, Susanna | | | 1475 | WLS | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Green, Emily | | | 1716 | ENG | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Imperor, Amelie | | | 1819 | FRA | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Govindaraj, Neya | | | 1432 * | WLS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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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