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Individual Calculations October 2015 |
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| Whitehead, Mark A Total change: -8.80 | |   |
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| Leyland Chess Congress 2015 | Leyland | ENG | 2015-08-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1953 | 2018 | 3.00 | 6 | -0.44 | 20 | -8.80 | |
|  Denham, Colin | | | 1682 | WLS | 1.00 | 1 | 0.12 | 20 | 2.40 | |  Williamson, Roger G | | | 2172 | ENG | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Lentzos, Ioanis | | | 2019 | GRE | 0.00 | 1 | -0.50 | 20 | -10.00 | | | Duke, Michael | | | 2069 | SCO | 0.00 | 1 | -0.43 | 20 | -8.60 | | | Dossett, Christopher S | | | 1929 | ENG | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Zhu, Yao Yao | | | 1848 | ENG | 1.00 | 1 | 0.28 | 20 | 5.60 | |
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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