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Individual Calculations March 2019 |
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| Thomas, Roy Total change: 18.00 | |   |
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| 48th Dyfed Open | Fishguard | WLS | 2019-02-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2025 | 1719 | 1.50 | 4 | 0.90 | 20 | 18.00 | |
|  Heap, Gerry | | | 2095 | WLS | 1.00 | 1 | 0.91 | 20 | 18.20 | |  Young, Alan | | | 2024 | WLS | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Bevan, Peter M | | | 1907 | WLS | 0.50 | 1 | 0.24 | 20 | 4.80 | | | Waddington, Mike P | f | | 2074 | ENG | 0.00 | 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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