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Individual Calculations May 2015 |
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| Blackburn, Joathan Lb Total change: 10.20 | |   |
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| 2015 Welsh Chess Championships | Cardiff | WLS | 2015-04-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2057 | 2173 | 5.00 | 7 | 0.51 | 20 | 10.20 | |
|  Shakespeare, John | | | 1934 | WLS | 1.00 | 1 | 0.20 | 20 | 4.00 | |  Fathallah, Joe | | | 1973 | WLS | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Cobb, James | m | | 2434 | WLS | 0.50 | 1 | 0.32 | 20 | 6.40 | | | Zeidler, Sven P. | f | | 2229 | WLS | 1.00 | 1 | 0.58 | 20 | 11.60 | | | Thomas, Ben | | | 1796 | WLS | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Brown, Thomas | | | 2042 | WLS | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Hatchett, Paul | | | 1992 | WLS | 0.50 | 1 | -0.24 | 20 | -4.80 | |
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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