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Individual Calculations March 2017 |
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| Greatorex, Roger Total change: -47.20 | |   |
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| 46th Dyfed Open 2017 | Fishguard | WLS | 2017-02-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1787 | 1820 | 1.50 | 5 | -1.18 | 40 | -47.20 | |
|  Horrell, Stephen A | | | 1461 | WLS | 1.00 | 1 | 0.10 | 40 | 4.00 | |  Hewitt, William | | | 2033 | WLS | 0.50 | 1 | 0.27 | 40 | 10.80 | | | Powell, Lloyd | | | 2088 | WLS | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Francis, Matthew | | | 1634 | WLS | 0.00 | 1 | -0.74 | 40 | -29.60 | | | Thomas, Roy | | | 1718 | WLS | 0.00 | 1 | -0.64 | 40 | -25.60 | |
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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