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Individual Calculations June 2013 |
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| Cunliffe, Sd Total change: -9.15 | |   |
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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 |
| 2155 | 1974 | 0.50 | 2 | -0.04 | 15 | -0.60 | |
|  Hewitt, William | | | 2082 | WLS | 0.50 | 1 | 0.15 | 15 | 2.25 | |  Jones, Iolo C | c | | 2228 | WLS | 0.00 | 1 | -0.19 | 15 | -2.85 | |
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 |
| 1921 | 1974 | 0.00 | 1 | -0.57 | 15 | -8.55 | |
| | Robinson, David | | | 1921 | WLS | 0.00 | 1 | -0.57 | 15 | -8.55 | |
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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