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Individual Calculations February 2019 |
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| Vaughan, John Total change: 21.20 | |   |
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| CCF Daytime Chess Club 2018-19 Stage 7 | London | ENG | 2019-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1420 | 1532 | 3.00 | 3 | 1.06 | 20 | 21.20 | |
|  Miles, Barry S | | | 1502 | ENG | 1.00 | 1 | 0.46 | 20 | 9.20 | |  Khan, A Qaiyum | | | 1420 | ENG | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Selby, Keith | | | 1337 | ENG | 1.00 | 1 | 0.25 | 20 | 5.00 | |
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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