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Individual Calculations February 2023 |
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| Chaban, Roxolana Total change: 36.00 | |   |
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| Coulsdon Chess Dicky White - December | London | ENG | 2022-11-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1425 | 1519 | 1.00 | 1 | 0.37 | 40 | 14.80 | |
|  Miles, Barry S | | | 1425 | ENG | 1.00 | 1 | 0.37 | 40 | 14.80 | |
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 Dicky White - January | London | ENG | 2023-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1729 | 1519 | 1.00 | 2 | 0.53 | 40 | 21.20 | |
| | Heavens, Alan F | | | 1686 | ENG | 1.00 | 1 | 0.72 | 40 | 28.80 | | | Rosenbach, Martin | | | 1771 | ENG | 0.00 | 1 | -0.19 | 40 | -7.60 | |
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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