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Individual Calculations May 2022 |
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| Smith, Mark Total change: -16.00 | |   |
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| Coulsdon Chess Dicky White S8 APR 2022 | London | ENG | 2022-04-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2020 | 1814 | 0.00 | 1 | -0.24 | 20 | -4.80 | |
|  Atako, Chino C | | | 2020 | ENG | 0.00 | 1 | -0.24 | 20 | -4.80 | |
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 Standardplay Congress Easter 2022 - Open | London | ENG | 2022-04-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1651 | 1814 | 1.50 | 3 | -0.56 | 20 | -11.20 | |
| | Pratley, Ian | | | 1509 | ENG | 1.00 | 1 | 0.14 | 20 | 2.80 | |  Ali, Shahvez | | | 1536 | ENG | 0.50 | 1 | -0.33 | 20 | -6.60 | | | Woolacott, Samuel J | | | 1908 | ENG | 0.00 | 1 | -0.37 | 20 | -7.40 | |
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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