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Individual Calculations December 2015 |
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| Heap, Gerry Total change: -3.00 | |   |
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| Welsh Chess Premier League 2015/16 Round 1 | Various | WLS | 2015-11-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1929 | 2087 | 1.00 | 1 | 0.29 | 20 | 5.80 | |
|  James, Dai | | | 1929 | WLS | 1.00 | 1 | 0.29 | 20 | 5.80 | |
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) | | | | 48th West Wales Championship | Swansea | WLS | 2015-11-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2021 | 2087 | 2.50 | 5 | -0.44 | 20 | -8.80 | |
| | Turner, Joseph David | | | 1926 | WLS | 1.00 | 1 | 0.29 | 20 | 5.80 | |  Davis, Lee | | | 1994 | WLS | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Strugnell, Carl | f | | 2242 | WLS | 1.00 | 1 | 0.71 | 20 | 14.20 | | | Pleasants, Allan J | | | 2030 | WLS | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Lewis, David Rhys | | | 1912 | WLS | 0.00 | 1 | -0.73 | 20 | -14.60 | |
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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