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Individual Calculations December 2015 |
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| Davis, Lee Total change: 5.60 | |   |
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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 |
| 2056 | 1994 | 0.00 | 1 | -0.41 | 20 | -8.20 | |
|  Brown, Thomas | | | 2056 | WLS | 0.00 | 1 | -0.41 | 20 | -8.20 | |
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) | | | | 4NCL Division 4 WE1 | Telford | ENG | 2015-11-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1973 | 1994 | 1.50 | 2 | 0.44 | 20 | 8.80 | |
|  Gregory, Andrew M | | | 1979 | ENG | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Truman, Richard G | | | 1966 | ENG | 0.50 | 1 | -0.04 | 20 | -0.80 | |
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 |
| 1955 | 1994 | 3.00 | 5 | 0.25 | 20 | 5.00 | |
| | Buttell, David | | | 1805 | WLS | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Heap, Gerry | | | 2087 | WLS | 0.50 | 1 | 0.13 | 20 | 2.60 | | | Young, Alan | | | 2068 | WLS | 0.00 | 1 | -0.40 | 20 | -8.00 | | | May, Adam J | | | 1903 | WLS | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Gibbons, Andrew | | | 1914 | WLS | 0.50 | 1 | -0.11 | 20 | -2.20 | |
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) | | |
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