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Individual Calculations May 2015 |
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| Kett, Tim Total change: -19.60 | |   |
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| 4NCL 2014-15 Rounds 7-8 (Div 1 & 2) | Birmingham | ENG | 2015-03-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2170 | 2222 | 1.00 | 2 | -0.14 | 20 | -2.80 | |
|  Sathyanandha, Saravanan | | | 2163 | ENG | 1.00 | 1 | 0.42 | 20 | 8.40 | | | McMichael, Richard J | c | | 2176 | ENG | 0.00 | 1 | -0.56 | 20 | -11.20 | |
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) | | | | 2015 Welsh Chess Championships | Cardiff | WLS | 2015-04-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2056 | 2216 | 4.00 | 7 | -0.84 | 20 | -16.80 | |
| | Ehsandar, Peter | | | 1963 | WLS | 1.00 | 1 | 0.19 | 20 | 3.80 | |  Pleasants, Allan J | | | 2097 | WLS | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Lexton, Michael J | | | 2049 | WLS | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Hatchett, Paul | | | 1992 | WLS | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Cobb, James | m | | 2434 | WLS | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Thomas, Ben | | | 1816 * | WLS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Brown, Thomas | | | 2042 | WLS | 0.00 | 1 | -0.73 | 20 | -14.60 | | | * 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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