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Individual Calculations May 2023 |
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| Forbes, Garry Total change: -22.80 | |   |
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| Coulsdon Chess Standardplay Congress Easter 2023 - Premier (U2000) | Coulsdon | ENG | 2023-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1623 | 1857 | 2.00 | 4 | -1.14 | 20 | -22.80 | |
|  Amabile, Domenico | | | 1596 | ITA | 1.00 | 1 | 0.18 | 20 | 3.60 | |  Kamath, Raghu | | | 1731 | ENG | 0.50 | 1 | -0.17 | 20 | -3.40 | | | Lishoy Gengis Paratazham, Dildar | | | 1531 | ENG | 0.50 | 1 | -0.37 | 20 | -7.40 | | | Airlie, Arran | | | 1635 | ENG | 0.00 | 1 | -0.78 | 20 | -15.60 | |
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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