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Individual Calculations October 2021 |
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| Jackson, Paul G Total change: -14.00 | |   |
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| Coulsdon Chess Dicky White S1 SEP 2021 | London | ENG | 2021-09-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1484 | 1669 | 3.00 | 4 | 0.11 | 20 | 2.20 | |
|  Allan, Brian N | | | 1623 | SCO | 1.00 | 1 | 0.44 | 20 | 8.80 | |  Warner, Dominic W J | | | 1524 | ENG | 0.50 | 1 | -0.19 | 20 | -3.80 | | | Gliddon, Daniel J | | | 1486 | ENG | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Jayaprakash, Arnav | | | 1301 | ENG | 0.50 | 1 | -0.40 | 20 | -8.00 | |
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) | | | | Coulsdon Chess Standardplay Congress - Open | London | ENG | 2021-09-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1687 | 1669 | 1.00 | 4 | -0.81 | 20 | -16.20 | |
| | Calvert, D Ian | | | 1903 | ENG | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Verma, Shlok | | | 1724 | ENG | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Jones, Gabriel | | | 1269 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Collins, Jonathan L | | | 1851 | ENG | 0.00 | 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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