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Individual Calculations May 2019 |
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| Calvert, D Ian Total change: 15.00 | |   |
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| English Seniors Championship Over 65 2019 | Solihull | ENG | 2019-04-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1982 | 1921 | 2.50 | 5 | 0.41 | 20 | 8.20 | |
|  Surtees, Mike J | | | 2087 | ENG | 0.50 | 1 | 0.22 | 20 | 4.40 | | | Milnes, Anthony Cp | | | 1997 | ENG | 0.50 | 1 | 0.10 | 20 | 2.00 | |  Wager, John D | | | 2007 | ENG | 0.50 | 1 | 0.12 | 20 | 2.40 | | | Hughes, Peter | | | 1820 | ENG | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Tarbuck, David | | | 2001 | ENG | 0.50 | 1 | 0.11 | 20 | 2.20 | |
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) | | | | 2018/19 4NCL Div 3 South Rounds 7 - 8 | Daventry | ENG | 2019-04-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2047 | 1921 | 1.00 | 2 | 0.34 | 20 | 6.80 | |
| | Mackenzie, Colin | | | 2053 | ENG | 0.50 | 1 | 0.18 | 20 | 3.60 | | | Brown, Alan M | | | 2040 | ENG | 0.50 | 1 | 0.16 | 20 | 3.20 | |
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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