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Individual Calculations November 2015 |
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| Upton, Ian J Total change: -28.40 | |   |
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| 41st Guernsey International Chess Festival Open | Guernsey | GCI | 2015-10-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1989 | 2255 | 3.50 | 6 | -1.42 | 20 | -28.40 | |
|  Goris, Ton | | | 1975 | NED | 0.00 | 1 | -0.84 | 20 | -16.80 | |  Spanton, Tim R | | | 1928 | ENG | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Van Den Boogaart, Jan Maarten | | | 1980 | NED | 0.50 | 1 | -0.33 | 20 | -6.60 | | | Phillips, Owen S | | | 1947 | ENG | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Hewson, Brian Wr | | | 2059 | ENG | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Purdon, Colin | | | 2042 | ENG | 0.50 | 1 | -0.27 | 20 | -5.40 | |
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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