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Individual Calculations May 2015 |
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| Whitehead, Mark A Total change: 6.20 | |   |
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| Bolton Easter Congress | Bolton | ENG | 2015-04-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1955 | 1992 | 2.50 | 4 | 0.31 | 20 | 6.20 | |
|  Horton, Andrew P | | | 2269 | ENG | 0.00 | 1 | -0.17 | 20 | -3.40 | |  Hilton, Tim | | | 1792 | ENG | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Fernandez Lopez, Alejandro I | | | 1719 | ESP | 0.50 | 1 | -0.33 | 20 | -6.60 | | | Newton, Robert A | | | 2041 | ENG | 1.00 | 1 | 0.57 | 20 | 11.40 | |
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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