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Individual Calculations September 2017 |
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| Berry, Stephen H Total change: 4.60 | |   |
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| 104th British Championships Over 65 | Llandudno | ENG | 2017-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2090 | 2293 | 5.50 | 7 | 0.23 | 20 | 4.60 | |
|  Levens, David G | | | 1963 | ENG | 1.00 | 1 | 0.12 | 20 | 2.40 | |  Barton, R Alan | | | 2043 | ENG | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Norman, Kenneth I | c | | 2114 | ENG | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Emerson, Roger | | | 2195 | ENG | 0.00 | 1 | -0.63 | 20 | -12.60 | | | Hutchinson, Norman A | | | 2040 | ENG | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Surtees, Mike J | | | 2084 | ENG | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Shephard, Chris Cw | | | 2192 | ENG | 0.50 | 1 | -0.14 | 20 | -2.80 | |
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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