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Individual Calculations December 2017 |
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| Hatchett, Paul Total change: 12.40 | |   |
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| Welsh Chess Premier League 2017/18 Round 2 | Various | WLS | 2017-11-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2069 | 1970 | 0.50 | 1 | 0.14 | 20 | 2.80 | |
|  Saunders, Robert | | | 2069 | WLS | 0.50 | 1 | 0.14 | 20 | 2.80 | |
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) | | | | 2017/18 4NCL Division 3 South Rounds 1-2 | Reading | ENG | 2017-11-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1764 | 1970 | 2.00 | 2 | 0.48 | 20 | 9.60 | |
|  Harvey, John | | | 1700 | ENG | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Rosario, Paulo Rui Beijinho Do | | | 1828 | POR | 1.00 | 1 | 0.31 | 20 | 6.20 | |
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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