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Individual Calculations November 2023 |
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| Forbes, Garry Total change: -9.40 | |   |
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| 47th Guernsey International Chess Festival - Open Tournament | St. Peter Port | GCI | 2023-10-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1938 | 1834 | 1.00 | 4 | -0.47 | 20 | -9.40 | |
|  Curtis, John E | | | 2021 | ENG | 0.00 | 1 | -0.26 | 20 | -5.20 | |  Murray, J Stephen | | | 1702 | SCO | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Rosen, Daniel B | c | | 1981 | ENG | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Wager, John D | | | 2047 | ENG | 0.00 | 1 | -0.23 | 20 | -4.60 | |
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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