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Individual Calculations May 2017 |
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| De Coverly, Roger D Total change: 10.40 | |   |
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| 70th West of England Chess Union Congress Open | Exmouth | ENG | 2017-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2046 | 1988 | 3.50 | 7 | 0.52 | 20 | 10.40 | |
|  Mackle, Dominic | | | 2202 | ENG | 0.00 | 1 | -0.23 | 20 | -4.60 | |  Wensley, Oliver E | | | 1798 | ENG | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Paulden, Tim | | | 1971 | ENG | 1.00 | 1 | 0.48 | 20 | 9.60 | | | McMichael, Richard J | c | | 2230 | ENG | 0.50 | 1 | 0.30 | 20 | 6.00 | | | Helbig, Paul D | | | 2098 | ENG | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Bass, John W | | | 2030 | ENG | 0.50 | 1 | 0.06 | 20 | 1.20 | | | Mitchell, Stephen R | | | 1994 | ENG | 1.00 | 1 | 0.51 | 20 | 10.20 | |
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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