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Individual Calculations September 2017 |
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| Stern, Robert C Total change: -4.20 | |   |
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| 104th British Championships Morning Open | Llandudno | ENG | 2017-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1932 | 1806 | 1.50 | 5 | -0.21 | 20 | -4.20 | |
|  Bansal, Rohan | | | 1956 | ENG | 0.50 | 1 | 0.20 | 20 | 4.00 | |  Surtees, Mike J | | | 2084 | ENG | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Collins, Peter M | | | 1954 | ENG | 0.50 | 1 | 0.20 | 20 | 4.00 | | | Gostelow, David W | | | 1959 | ENG | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Somton, Anita | | | 1705 | 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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