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Individual Calculations March 2018 |
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| Brown, David Total change: -13.40 | |   |
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| Tradewise Gibraltar Chess Festival 2018 Challenger B | Gibraltar | ENG | 2018-01-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1954 | 1953 | 1.00 | 3 | -0.51 | 20 | -10.20 | |
|  Bottema, Martin | | | 2114 | NED | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Cernuda Orejas, Victor Manuel | | | 1910 | ESP | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Matthews, Adrian M S | | | 1839 | ENG | 0.50 | 1 | -0.16 | 20 | -3.20 | |
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) | | | | 2017/18 4NCL Division 3 South Rounds 5-6 | Reading | ENG | 2018-02-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2086 | 1959 | 0.50 | 2 | -0.16 | 20 | -3.20 | |
| | Brozel, Sacha | | | 2148 | ENG | 0.00 | 1 | -0.25 | 20 | -5.00 | |  Heaven, Pete | | | 2024 | WLS | 0.50 | 1 | 0.09 | 20 | 1.80 | |
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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