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Individual Calculations March 2017 |
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| Gostelow, David W Total change: -1.40 | |   |
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| Tradewise Gibraltar Chess Festival 2017 Challenger B | Gibraltar | ENG | 2017-01-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2042 | 1970 | 2.00 | 5 | -0.05 | 20 | -1.00 | |
|  Gonzalez Gonzalez, Alfonso | | | 2162 | ESP | 0.00 | 1 | -0.25 | 20 | -5.00 | |  Madina Yadarola, Martin | f | | 2214 | ESP | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Herzwurm, Robert | | | 2143 | GER | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Stuhlmann, Alexander | | | 1906 | GER | 0.50 | 1 | -0.09 | 20 | -1.80 | | | Christophe-Hayot, Romain | | | 1784 | FRA | 1.00 | 1 | 0.26 | 20 | 5.20 | |
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) | | | | 2016/17 4NCL Division 3 South Rounds 5-6 | Telford | ENG | 2017-02-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1956 | 1960 | 1.00 | 2 | -0.02 | 20 | -0.40 | |
| | Myall, Ivan J | | | 2020 | ENG | 0.50 | 1 | 0.08 | 20 | 1.60 | | | Szymanski, Mark | | | 1891 | ENG | 0.50 | 1 | -0.10 | 20 | -2.00 | |
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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