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Individual Calculations September 2018 |
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| Lewis, Andrew P Total change: 17.00 | |   |
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| 105th British Championships Over 50 | Hull | ENG | 2018-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2104 | 2298 | 6.00 | 7 | 0.85 | 20 | 17.00 | |
|  Gibbs, Dominic V | | | 1948 | ENG | 1.00 | 1 | 0.11 | 20 | 2.20 | |  Wager, John D | | | 2045 | ENG | 0.50 | 1 | -0.31 | 20 | -6.20 | | | Nelson, Jonathan P | | | 2178 | ENG | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Brooks, Phil J | | | 2187 | ENG | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Mason, Donald J | | | 2133 | ENG | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Smith, Murray | | | 2262 | AUS | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Brown, Alan M | | | 1976 | ENG | 1.00 | 1 | 0.13 | 20 | 2.60 | |
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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