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Individual Calculations October 2015 |
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| Toms, David A Total change: -18.80 | |   |
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| Devon County Chess Association 65th Annual Congress | Torquay | ENG | 2015-09-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2023 | 1908 | 2.00 | 7 | -0.47 | 40 | -18.80 | |
|  Hempson, Peter W | | | 2059 | ENG | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Brown, Alan M | | | 2088 | ENG | 0.00 | 1 | -0.26 | 40 | -10.40 | |  Byway, Paul V | f | | 2158 | ENG | 1.00 | 1 | 0.81 | 40 | 32.40 | | | McKenna, Jason P | | | 2138 | ENG | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Gibbs, Daniel C | | | 1784 | ENG | 0.50 | 1 | -0.17 | 40 | -6.80 | | | Staples, Maurice J | | | 1975 | ENG | 0.00 | 1 | -0.41 | 40 | -16.40 | | | Spanton, Tim R | | | 1958 | ENG | 0.50 | 1 | 0.07 | 40 | 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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