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Individual Calculations March 2015 |
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| Turner, Joseph David Total change: 10.60 | |   |
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| 2015 Welsh Winter Open | Penarth | WLS | 2015-01-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1930 | 1926 | 2.00 | 3 | 0.58 | 20 | 11.60 | |
|  Bullen, Alex | | | 2038 | WLS | 1.00 | 1 | 0.65 | 20 | 13.00 | | | Kett, Tim | | | 2225 | WLS | 0.00 | 1 | -0.15 | 20 | -3.00 | |  Sivarajasingam, Venetia | | | 1526 * | WLS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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) | | | | Bristol Winter Congress | Bristol | ENG | 2015-02-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2039 | 1925 | 1.00 | 3 | -0.05 | 20 | -1.00 | |
| | Bridge, Neil A | | | 2076 | ENG | 1.00 | 1 | 0.70 | 20 | 14.00 | | | Martin, Lewis | | | 2084 | ENG | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Meek, Stephen J | | | 1957 | ENG | 0.00 | 1 | -0.46 | 20 | -9.20 | |
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) | | |
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