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Individual Calculations September 2017 |
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| Orton, Stephen La Total change: 8.40 | |   |
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| 104th British Championships Morning Open | Llandudno | ENG | 2017-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2010 | 2159 | 3.00 | 4 | 0.21 | 40 | 8.40 | |
|  Gostelow, David W | | | 1959 | ENG | 1.00 | 1 | 0.24 | 40 | 9.60 | |  Prasath, Malola Ts | | | 2020 | IND | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Bryant, Richard Be | | | 1976 | ENG | 0.00 | 1 | -0.74 | 40 | -29.60 | | | Surtees, Mike J | | | 2084 | ENG | 1.00 | 1 | 0.40 | 40 | 16.00 | |
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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