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Individual Calculations June 2013 |
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| May, Frank Total change: -0.15 | |   |
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| Welsh Chess Premier League Round 6-7 | various | WLS | 2013-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1827 | 2123 | 2.00 | 2 | 0.31 | 15 | 4.65 | |
|  Kostanjsek, Luke | | | 1881 | WLS | 1.00 | 1 | 0.20 | 15 | 3.00 | |  Hurn, Robert Aj | | | 1772 | WLS | 1.00 | 1 | 0.11 | 15 | 1.65 | |
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) | | | | Welsh Chess Premier League Round 3 | Various | WLS | 2013-05-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1862 | 2123 | 0.50 | 1 | -0.32 | 15 | -4.80 | |
| | Buttell, David | | | 1862 | WLS | 0.50 | 1 | -0.32 | 15 | -4.80 | |
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) | | |
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