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Rapid:
Individual Calculations May 2013 |
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| Roberson, Peter Total change: 18.80 | |   |
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| Golders Green Rapidplay Open April 2013 | London | ENG | 2013-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2110 | 2289 | 4.50 | 5 | 0.94 | 20 | 18.80 | |
|  Haldane, Robin | | | 2152 | ENG | 1.00 | 1 | 0.32 | 20 | 6.40 | |  Sanders, Isaac | | | 2134 | ENG | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Grattage, Matthew | | | 2022 | ENG | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Richardson, John | f | | 2326 | ENG | 0.50 | 1 | 0.05 | 20 | 1.00 | | | Rogers, Timothy | | | 1916 | ENG | 1.00 | 1 | 0.10 | 20 | 2.00 | |
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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