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Individual Calculations January 2019 |
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| Surtees, Mike J Total change: 9.00 | |   |
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| Preston Chess Congress 2018 | Preston | ENG | 2018-11-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2085 | 2096 | 2.50 | 4 | 0.45 | 20 | 9.00 | |
|  Wareing, John P | | | 1914 | ENG | 1.00 | 1 | 0.26 | 20 | 5.20 | |  Waller, Dan | | | 2046 | ENG | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Lund, D Brett | | | 2229 | ENG | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Jones, Steven A | | | 2150 | ENG | 0.50 | 1 | 0.08 | 20 | 1.60 | |
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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