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Individual Calculations March 2015 |
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| Whitehead, Mark A Total change: 15.80 | |   |
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| 2015 Welsh Winter Open | Penarth | WLS | 2015-01-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1971 | 1985 | 3.50 | 5 | 0.79 | 20 | 15.80 | |
|  Blackmore, Simon | | | 1785 | WLS | 1.00 | 1 | 0.24 | 20 | 4.80 | |  Ralphs, Nigel | | | 1917 | WLS | 0.50 | 1 | -0.09 | 20 | -1.80 | | | White, Ernest M | | | 1904 | WLS | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Bridges, Paul | | | 1863 | WLS | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Jones, Richard S. | m | | 2385 * | WLS | 0.50 | 1 | 0.42 | 20 | 8.40 | | | * 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) | | |
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