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Individual Calculations May 2015 |
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| Willmoth, Robert F Total change: 3.60 | |   |
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| 59th Southend Chess Congress | Southend-on-Sea | ENG | 2015-04-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2101 | 2148 | 3.00 | 5 | 0.20 | 20 | 4.00 | |
|  Macreamoinn, Brian | | | 1935 | IRL | 1.00 | 1 | 0.23 | 20 | 4.60 | |  Moore, John C | | | 2022 | ENG | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Anderson, John | | | 2229 | ENG | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Williamson, Kevin J | | | 1979 | ENG | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Ciuksyte, Dagne | m | wg | 2342 | ENG | 0.00 | 1 | -0.25 | 20 | -5.00 | |
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) | | | | CCF EASTER CONGRESS - Open | COULSDON, LONDON | ENG | 2015-04-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1955 | 2148 | 2.00 | 3 | -0.25 | 20 | -5.00 | |
| | Bennett, John M | | | 1976 | ENG | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Haridas, Girinath | | | 1946 | ENG | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Hjort, Helge | | | 1944 | DEN | 0.50 | 1 | -0.26 | 20 | -5.20 | |
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) | | | | Hampstead Under 2200 Congress Apr 18 | London | ENG | 2015-04-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1800 | 2148 | 2.00 | 2 | 0.23 | 20 | 4.60 | |
| | Pride, Stephen C | | | 1748 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Kalerwa, Edwin M | | | 1852 | ENG | 1.00 | 1 | 0.15 | 20 | 3.00 | | | * 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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