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Individual Calculations April 2019 |
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| Pratley, Ian Total change: -1.40 | |   |
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| CCF Winter Chess Club LP Matches Stage 8 | London | ENG | 2019-03-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1566 | 1572 | 1.50 | 3 | -0.07 | 20 | -1.40 | |
|  Ogden, George | | | 1372 | ENG | 0.00 | 1 | -0.76 | 20 | -15.20 | | | Stoneman, Ian D | | | 1452 | ENG | 1.00 | 1 | 0.34 | 20 | 6.80 | |  Edwards, Nicholas L | | | 1874 | ENG | 0.50 | 1 | 0.35 | 20 | 7.00 | |
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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