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Individual Calculations October 2021 |
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| Selby, Keith Total change: -16.60 | |   |
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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 |
| 1351 | 1289 | 0.00 | 3 | -1.25 | 20 | -25.00 | |
|  Smyth, Sandy A | | | 1304 | ENG | 0.00 | 1 | -0.48 | 20 | -9.60 | | | Jayaprakash, Arnav | | | 1301 | ENG | 0.00 | 1 | -0.48 | 20 | -9.60 | | | Levey, Steve | | | 1447 | ENG | 0.00 | 1 | -0.29 | 20 | -5.80 | |
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 Daytime Chess Autumn 2021 S1 SEP 2021 | London | ENG | 2021-09-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1689 | 1289 | 0.50 | 1 | 0.42 | 20 | 8.40 | |
|  Davey, Adrian | | | 1689 * | ENG | 0.50 | 1 | 0.42 | 20 | 8.40 | | | * 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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