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Individual Calculations October 2015 |
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| Zhu, Yao Yao Total change: -12.00 | |   |
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| Leyland Chess Congress 2015 | Leyland | ENG | 2015-08-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1826 | 1848 | 2.00 | 5 | -0.59 | 40 | -23.60 | |
|  Burke, Mitchell R | | | 1966 | ENG | 0.00 | 1 | -0.34 | 40 | -13.60 | |  Denham, Colin | | | 1682 | WLS | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Dossett, Christopher S | | | 1929 | ENG | 0.00 | 1 | -0.39 | 40 | -15.60 | | | Llewellyn, Alan M | | | 1533 | ENG | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Whitehead, Mark A | | | 2018 | ENG | 0.00 | 1 | -0.28 | 40 | -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) | | | | 4th 4NCL Congress Open | Bolton | ENG | 2015-09-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2004 | 1848 | 1.50 | 4 | 0.29 | 40 | 11.60 | |
| | Surtees, Mike J | | | 2153 | ENG | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Jayawarna, Nugith | | | 1893 | ENG | 0.00 | 1 | -0.44 | 40 | -17.60 | | | Tyton, Adam | | | 2003 | ENG | 1.00 | 1 | 0.71 | 40 | 28.40 | | | Truman, Richard G | | | 1968 | ENG | 0.50 | 1 | 0.16 | 40 | 6.40 | |
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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