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Individual Calculations February 2015 |
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| Brown, Thomas Total change: 18.40 | |   |
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| 2015 South Wales New Year Open | Bridgend | WLS | 2015-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1923 | 2054 | 4.00 | 5 | 0.63 | 20 | 12.60 | |
|  Thomas, Roy | | | 1827 | WLS | 1.00 | 1 | 0.21 | 20 | 4.20 | |  Robinson, David | | | 1911 | WLS | 0.50 | 1 | -0.19 | 20 | -3.80 | | | Ashworth, Michael | | | 1882 | ENG | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Fathallah, Joe | | | 1937 | WLS | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Heap, Gerry | | | 2056 | WLS | 0.50 | 1 | 0.00 | 20 | 0.00 | |
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) | | | | 4NCL 2014-15 Rounds 3-4 | Various | ENG | 2015-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2172 | 2054 | 0.50 | 2 | -0.18 | 20 | -3.60 | |
| | Padilla Cabero, Pablo | | | 2150 | ESP | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Spencer, Carl J | | | 2194 | ENG | 0.50 | 1 | 0.19 | 20 | 3.80 | |
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) | | | | Welsh Chess Premier League 2014/15 Rd4 | Various | WLS | 2015-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2029 | 2054 | 1.00 | 1 | 0.47 | 20 | 9.40 | |
| | Young, Alan | | | 2029 | WLS | 1.00 | 1 | 0.47 | 20 | 9.40 | |
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) | | |
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