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Individual Calculations October 2021 |
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| Collins, Jonathan L Total change: -28.00 | |   |
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| Coulsdon Chess Standardplay Congress - Open | London | ENG | 2021-09-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1698 | 1851 | 2.00 | 5 | -1.40 | 20 | -28.00 | |
|  Mize, Dylan | | | 1615 | USA | 0.00 | 1 | -0.80 | 20 | -16.00 | |  Jones, Gabriel | | | 1451 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Verma, Shlok | | | 1724 | ENG | 0.00 | 1 | -0.67 | 20 | -13.40 | | | Atako, Chino C | | | 2029 | ENG | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Jackson, Paul G | | | 1669 | ENG | 1.00 | 1 | 0.26 | 20 | 5.20 | | | * 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) | | |
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