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Individual Calculations March 2017 |
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| Orr, Mark J L Total change: 8.80 | |   |
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| Perth Congress Open 2017 | Perth | SCO | 2017-02-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1968 | 2135 | 4.00 | 5 | 0.44 | 20 | 8.80 | |
|  Ridge, Michael | | | 1878 | SCO | 0.50 | 1 | -0.32 | 20 | -6.40 | |  Hall, David G | | | 1870 | SCO | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Turner, Max N | | | 1955 | ENG | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Roberts, Paul | c | | 2151 | SCO | 0.50 | 1 | 0.02 | 20 | 0.40 | | | Campbell, Duncan A F | | | 1984 | SCO | 1.00 | 1 | 0.30 | 20 | 6.00 | |
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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