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Individual Calculations November 2010 |
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| Prins, Jan Total change: -10.50 | |   |
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| 36th Guernsey International Open | Guernsey | GCI | 2010-10-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2017 | 2061 | 3.50 | 7 | -0.42 | 25 | -10.50 | |
|  Cummins, John | | | 1882 | GCI | 1.00 | 1 | 0.27 | 25 | 6.75 | |  Mack, Wolfgang | | | 2256 | GER | 0.00 | 1 | -0.25 | 25 | -6.25 | | | Hoare, Amy | | | 1920 | ENG | 1.00 | 1 | 0.31 | 25 | 7.75 | | | Williams, Peter A | | | 2132 | ENG | 0.00 | 1 | -0.40 | 25 | -10.00 | | | Gravett, Alan | | | 1913 | ENG | 0.00 | 1 | -0.70 | 25 | -17.50 | | | Downey, Keith | | | 1997 | WLS | 1.00 | 1 | 0.41 | 25 | 10.25 | | | Bakker, Joop | | | 2019 | NED | 0.50 | 1 | -0.06 | 25 | -1.50 | |
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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