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Individual Calculations August 2018 |
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| Williams, Ron Total change: 2.00 | |   |
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| 15th South Wales International Open | Cardiff | WLS | 2018-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1787 | 1681 | 3.50 | 9 | 0.10 | 20 | 2.00 | |
|  Ledger, Dave J | f | | 2081 * | ENG | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Thorpe, Thomas | | | 1922 | WLS | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Robertson, Jim | | | 1604 | SCO | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Fathallah, Joe | | | 1990 | WLS | 0.50 | 1 | 0.36 | 20 | 7.20 | | | Waterfield, John W | | | 1916 | WLS | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Fowler, Caspian | | | 1404 | WLS | 0.50 | 1 | -0.33 | 20 | -6.60 | | | Gosling, Brian G E | | | 1816 | ENG | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Calist, Aron | | | 1466 | WLS | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Turner, Joseph David | | | 1885 | WLS | 0.50 | 1 | 0.26 | 20 | 5.20 | | | * 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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