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Individual Calculations November 2023 |
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| Punnett, Alan K Total change: -8.80 | |   |
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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 |
| 1975 | 2071 | 4.00 | 7 | -0.44 | 20 | -8.80 | |
|  Goris, Ton | | | 1881 | NED | 0.50 | 1 | -0.25 | 20 | -5.00 | |  Giulian, Rosemary A | | | 1866 | SCO | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Campbell, Ian | | | 1920 | ENG | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Gravett, Alan D | | | 1810 | ENG | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Strade, Arita | | | 1926 | GCI | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Gormally, Daniel W | g | | 2443 | ENG | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Rosen, Daniel B | c | | 1981 | ENG | 0.50 | 1 | -0.12 | 20 | -2.40 | |
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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