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Individual Calculations July 2018 |
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| Whitehead, Mark A Total change: -7.00 | |   |
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| 3rd North Wales Fide Open | Llandudno | WLS | 2018-06-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1943 | 1913 | 1.50 | 4 | -0.35 | 20 | -7.00 | |
|  Surtees, Mike J | | | 2167 | ENG | 0.00 | 1 | -0.19 | 20 | -3.80 | | | De Coverly, Roger D | | | 1939 | ENG | 0.00 | 1 | -0.46 | 20 | -9.20 | |  Benson, Paul J | | | 1951 | ENG | 1.00 | 1 | 0.55 | 20 | 11.00 | | | Krupenko, Peter | | | 1716 | SLO | 0.50 | 1 | -0.25 | 20 | -5.00 | |
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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