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Individual Calculations October 2015 |
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| Jayawarna, Nugith Total change: 90.80 | |   |
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| Leyland Chess Congress 2015 | Leyland | ENG | 2015-08-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2062 | 1748 | 3.00 | 5 | 2.30 | 40 | 92.00 | |
|  Newton, Robert A | | | 2027 | ENG | 1.00 | 1 | 0.84 | 40 | 33.60 | |  Jaunooby, Ali R | | | 2143 | ENG | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Burke, Mitchell R | | | 1966 | ENG | 1.00 | 1 | 0.78 | 40 | 31.20 | | | Lyth, John D | | | 2028 | ENG | 1.00 | 1 | 0.84 | 40 | 33.60 | | | Surtees, Mike J | | | 2148 * | ENG | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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) | | | | 4th 4NCL Congress Open | Bolton | ENG | 2015-09-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1981 | 1893 | 1.50 | 4 | -0.03 | 40 | -1.20 | |
| | Jarmany, John | | | 2053 | ENG | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Zhu, Yao Yao | | | 1848 | ENG | 1.00 | 1 | 0.44 | 40 | 17.60 | | | Talbot, Mark A | | | 2052 | ENG | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Lentzos, Ioanis | | | 1971 | GRE | 0.00 | 1 | -0.39 | 40 | -15.60 | |
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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