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Individual Calculations December 2016 |
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| Calvert, D Ian Total change: -20.60 | |   |
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| Central London Chess Congress Open 2016 | London | ENG | 2016-11-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1985 | 1934 | 0.50 | 4 | -1.22 | 20 | -24.40 | |
|  Psaila, Clarence | c | | 2050 | MLT | 0.00 | 1 | -0.34 | 20 | -6.80 | |  White, Kevin D | | | 2025 | ENG | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Davison, Chris | | | 1992 | ENG | 0.00 | 1 | -0.42 | 20 | -8.40 | | | De Paolis, Fabrizio | | | 1874 | ITA | 0.50 | 1 | -0.08 | 20 | -1.60 | |
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) | | | | 2016/17 4NCL Division 3 South Rounds 1-2 | Reading | ENG | 2016-11-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2004 | 1934 | 1.00 | 2 | 0.19 | 20 | 3.80 | |
| | Niccoli, Tony | | | 2064 | ENG | 1.00 | 1 | 0.68 | 20 | 13.60 | | | Nettleton, Charlie B | | | 1944 | ENG | 0.00 | 1 | -0.49 | 20 | -9.80 | |
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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