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Individual Calculations February 2024 |
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| Ashcroft, Graham J Total change: -6.80 | |   |
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| Caplin Hastings International Chess Congress - Con Power Christmas Under 1950 | Hastings | ENG | 2023-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1716 | 1739 | 1.50 | 4 | -0.64 | 20 | -12.80 | |
|  Buckland, Louis | | | 1660 | ENG | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Nguyen, Anh | | | 1649 | ENG | 0.50 | 1 | -0.12 | 20 | -2.40 | |  Van Pel, Gerben | | | 1908 | NED | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Schmerwitz, Reinhard | | | 1647 | GER | 0.00 | 1 | -0.63 | 20 | -12.60 | |
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) | | | | 31st 4NCL Congress Under 2000 | Harrogate | ENG | 2024-01-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1686 | 1731 | 2.00 | 3 | 0.30 | 20 | 6.00 | |
| | Chester, Ian B | | | 1691 | ENG | 1.00 | 1 | 0.44 | 20 | 8.80 | | | Howorth, Jack | | | 1661 | ENG | 0.00 | 1 | -0.60 | 20 | -12.00 | | | Siu, Kam Wa | | | 1705 | HKG | 1.00 | 1 | 0.46 | 20 | 9.20 | |
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) | | |
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