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Individual Calculations February 2023 |
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| Gray, Mark S Total change: -8.00 | |   |
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| Coulsdon Chess Dicky White - December | London | ENG | 2022-11-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2032 | 2117 | 1.00 | 2 | -0.23 | 20 | -4.60 | |
|  Varney, Zoe | | wc | 1992 | ENG | 1.00 | 1 | 0.33 | 20 | 6.60 | |  Snape, Ian L | | | 2072 | ENG | 0.00 | 1 | -0.56 | 20 | -11.20 | |
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 |
| 1997 | 2122 | 0.50 | 1 | -0.17 | 20 | -3.40 | |
| | Rizvi, Nasir | | | 1997 | WLS | 0.50 | 1 | -0.17 | 20 | -3.40 | |
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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