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Individual Calculations April 2023 |
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| Pratley, Ian Total change: 5.00 | |   |
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| Coulsdon Chess Dicky White - March | London | ENG | 2023-02-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1463 | 1415 | 2.00 | 4 | 0.25 | 20 | 5.00 | |
|  Bloom, Paul | | | 1597 | ENG | 0.50 | 1 | 0.24 | 20 | 4.80 | |  Rastogi, Nayan Keats | | | 1421 | ENG | 0.00 | 1 | -0.49 | 20 | -9.80 | | | Fernandes, Aaron | | | 1490 | ENG | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Boztas, Lana | | | 1343 | ENG | 1.00 | 1 | 0.40 | 20 | 8.00 | |
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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