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Individual Calculations June 2019 |
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| Jackson, Paul G Total change: 2.40 | |   |
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| CCF Winter Chess Club LP Matches Stage 10 | London | ENG | 2019-04-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1393 | 1793 | 1.00 | 1 | 0.08 | 20 | 1.60 | |
|  Chaban, Roxolana | | | 1393 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | 30th Frome Chess Congress Open | Frome | ENG | 2019-05-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1941 | 1801 | 1.00 | 3 | 0.04 | 20 | 0.80 | |
| | Jaufarally, Nadia | | | 1945 | ENG | 0.00 | 1 | -0.31 | 20 | -6.20 | |  Turner, Joseph D | | | 1851 | WLS | 1.00 | 1 | 0.57 | 20 | 11.40 | | | Duggan, Michael Fg | | | 2026 | ENG | 0.00 | 1 | -0.22 | 20 | -4.40 | |
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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