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Individual Calculations November 2014 |
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| Purdon, Colin Total change: -24.20 | |   |
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| 40th Guernsey Open | Guernsey | GCI | 2014-10-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1977 | 2106 | 3.50 | 7 | -1.21 | 20 | -24.20 | |
|  Bakker, Joop | | | 1951 | NED | 0.50 | 1 | -0.21 | 20 | -4.20 | |  Hickman, John | | | 1893 | ENG | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Kraft, Karl | | | 2004 | GER | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Spanton, Timothy | | | 1975 | ENG | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Dijksterhuis, Rolf | | | 1971 | NED | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Riedener, Toni | | | 2039 | SUI | 0.50 | 1 | -0.09 | 20 | -1.80 | | | Thurlow, Kevin | c | | 2005 | ENG | 0.50 | 1 | -0.14 | 20 | -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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