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Individual Calculations August 2017 |
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| Williams, Stephen Total change: -16.60 | |   |
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| 14th South Wales International Open | Cardiff | WLS | 2017-07-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1760 | 1683 | 3.50 | 9 | -0.16 | 20 | -3.20 | |
|  Rysbayeva, Aigerim | | wf | 2083 * | KAZ | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Thorpe, Thomas | | | 1892 | WLS | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Chung, Ethan Cheung Jing | | | 1348 | WLS | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Cox, John | | | 1469 | WLS | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Williams, David J | | | 1518 | WLS | 1.00 | 1 | 0.28 | 20 | 5.60 | | | James, Dai | | | 1832 | WLS | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Bevan, Peter M | | | 1933 | WLS | 0.50 | 1 | 0.31 | 20 | 6.20 | | | Gosling, Brian G E | | | 1825 | ENG | 0.50 | 1 | 0.19 | 20 | 3.80 | | | Taylor, Robert Graham | | | 1944 | WLS | 0.00 | 1 | -0.18 | 20 | -3.60 | | | * 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) | | | | Jessica Gilbert Cup 2017 | Cardiff | WLS | 2017-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1503 | 1683 | 1.50 | 3 | -0.67 | 20 | -13.40 | |
| | Weaver, Lauren | | | 1641 | ENG | 0.00 | 1 | -0.56 | 20 | -11.20 | | | Ferguson, Dayna | | | 1451 | IRL | 0.50 | 1 | -0.29 | 20 | -5.80 | | | Lutchman Singh, Aishwarya | | | 1417 | WLS | 1.00 | 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) | | |
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