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Individual Calculations November 2019 |
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| Gravett, Alan D Total change: -7.20 | |   |
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| 45th Guernsey International Chess Festival Open 2019 | Guernsey | GCI | 2019-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1974 | 1831 | 1.50 | 6 | -0.36 | 20 | -7.20 | |
|  Heppell, Ian N | | | 1995 | ENG | 0.00 | 1 | -0.28 | 20 | -5.60 | |  Kwossek, Georg | | | 1984 | GER | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Rowe, Peter | c | | 1957 | GCI | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Hamperl, Fred | f | | 1995 | GCI | 0.50 | 1 | 0.22 | 20 | 4.40 | | | Dijksterhuis, Rolf | | | 1937 | NED | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Korte, Markus | | | 1975 | GER | 0.00 | 1 | -0.31 | 20 | -6.20 | |
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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