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Individual Calculations November 2015 |
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| Pleasants, Allan J Total change: -30.80 | |   |
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| 2015 South Wales Autumn Congress | Pencoed | WLS | 2015-10-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1921 | 2061 | 2.50 | 4 | -0.24 | 20 | -4.80 | |
|  Hatchett, Paul | | | 1977 | WLS | 1.00 | 1 | 0.38 | 20 | 7.60 | |  Evans, Nicholas Thomas | | | 1992 | WLS | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Bridges, Paul | | | 1822 | WLS | 0.50 | 1 | -0.30 | 20 | -6.00 | | | May, Adam J | | | 1894 | WLS | 0.50 | 1 | -0.22 | 20 | -4.40 | |
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) | | | | 41st Guernsey International Chess Festival Open | Guernsey | GCI | 2015-10-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1986 | 2061 | 3.00 | 7 | -1.30 | 20 | -26.00 | |
| | Kirkwood, Robin | | | 1911 | WLS | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Marley, Andrew S G | | | 1882 | ENG | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Drenchev, Petar | g | | 2461 * | BUL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Goris, Ton | | | 1975 | NED | 0.00 | 1 | -0.62 | 20 | -12.40 | | | French, Max | | | 1824 | ENG | 0.50 | 1 | -0.30 | 20 | -6.00 | | | De Kruif, Kees | | | 1954 | NED | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Brookfield, Toby | c | | 1897 | GCI | 0.50 | 1 | -0.22 | 20 | -4.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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