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Individual Calculations February 2015 |
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| Mason, Donald J Total change: 17.40 | |   |
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| 2015 South Wales New Year Open | Bridgend | WLS | 2015-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1925 | 2138 | 4.00 | 5 | 0.15 | 20 | 3.00 | |
|  Bridges, Paul | | | 1863 | WLS | 1.00 | 1 | 0.17 | 20 | 3.40 | |  James, Dai | | | 1950 | WLS | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Fathallah, Joe | | | 1937 | WLS | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Robinson, David | | | 1911 | WLS | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Van Kemenade, Rudy | | | 1965 | WLS | 1.00 | 1 | 0.27 | 20 | 5.40 | |
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 |
| 2230 | 2138 | 1.50 | 2 | 0.72 | 20 | 14.40 | |
| | Wadsworth, Matthew | | | 2064 | ENG | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Ledger, Andrew J | m | | 2396 | ENG | 0.50 | 1 | 0.32 | 20 | 6.40 | |
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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