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Individual Calculations November 2019 |
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| James, Dai Total change: -2.00 | |   |
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| 5th Welsh Seniors Championship | Merthyr Tydfil | WLS | 2019-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1713 | 1858 | 2.00 | 3 | -0.04 | 20 | -0.80 | |
|  Pinch, David | | | 1646 | WLS | 1.00 | 1 | 0.23 | 20 | 4.60 | |  Hurn, Robert Aj | | | 1608 | WLS | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Van Kemenade, Rudy | | | 1885 | WLS | 0.00 | 1 | -0.46 | 20 | -9.20 | |
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) | | | | 52nd West Wales Open 2019 | Swansea | WLS | 2019-10-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1816 | 1838 | 1.00 | 2 | -0.06 | 20 | -1.20 | |
| | Jones, Ian Robert | | | 1975 | WLS | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Morgans, Justin | | | 1657 | WLS | 1.00 | 1 | 0.26 | 20 | 5.20 | |
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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