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Individual Calculations September 2017 |
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| Barton, R Alan Total change: 8.80 | |   |
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| 104th British Championships Over 65 | Llandudno | ENG | 2017-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2032 | 2043 | 3.50 | 6 | 0.44 | 20 | 8.80 | |
|  Donaghay, Richard H | | | 1856 | ENG | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Berry, Stephen H | f | | 2293 | ENG | 0.00 | 1 | -0.19 | 20 | -3.80 | |  Hughes, Peter | | | 1749 | ENG | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Norman, Kenneth I | c | | 2114 | ENG | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Levens, David G | | | 1963 | ENG | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Friedgood, David | f | | 2216 | ENG | 0.50 | 1 | 0.23 | 20 | 4.60 | |
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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