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Individual Calculations March 2017 |
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| Roberts, Paul Total change: 11.60 | |   |
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| Perth Congress Open 2017 | Perth | SCO | 2017-02-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2005 | 2151 | 4.00 | 5 | 0.58 | 20 | 11.60 | |
|  Murray, Frankie | | | 1878 | SCO | 1.00 | 1 | 0.17 | 20 | 3.40 | |  Jelfs, Alan | | | 1912 | SCO | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Campbell, Duncan A F | | | 1984 | SCO | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Orr, Mark J L | m | | 2135 | IRL | 0.50 | 1 | -0.02 | 20 | -0.40 | | | Page, Mark E | | | 2117 | ENG | 0.50 | 1 | -0.05 | 20 | -1.00 | |
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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