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Individual Calculations February 2015 |
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| Sands, David A Total change: -6.80 | |   |
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| 2015 South Wales New Year Open | Bridgend | WLS | 2015-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1932 | 2192 | 4.00 | 5 | -0.08 | 20 | -1.60 | |
|  Williams, Stephen | | | 1890 | WLS | 1.00 | 1 | 0.15 | 20 | 3.00 | |  Fathallah, Joe | | | 1937 | WLS | 0.00 | 1 | -0.81 | 20 | -16.20 | | | Lewis, David Rhys | | | 1933 | WLS | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Turner, Joseph David | | | 1926 | WLS | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Heaven, Peter | | | 1972 | WLS | 1.00 | 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) | | | | 4NCL 2014-15 Rounds 3-4 | Various | ENG | 2015-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2287 | 2192 | 0.50 | 2 | -0.26 | 20 | -5.20 | |
| | Suarez Real, Alberto | m | | 2403 | ESP | 0.50 | 1 | 0.27 | 20 | 5.40 | | | Walker, Nicholas P | | | 2170 | ENG | 0.00 | 1 | -0.53 | 20 | -10.60 | |
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) | | |
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