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Individual Calculations August 2023 |
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| Chapman, Mark Total change: -5.50 | |   |
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| 2023 Checkmate FIDE Open | Adelaide | AUS | 2023-07-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1920 | 2373 | 3.00 | 4 | -0.55 | 10 | -5.50 | |
|  Maria, Alistair | | | 1973 * | AUS | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Retnaraja, Ethan | | | 1697 | AUS | 0.50 | 1 | -0.49 | 10 | -4.90 | | | Balachander, Tharan | | | 1745 | AUS | 1.00 | 1 | 0.01 | 10 | 0.10 | | | Scott, Ronald | | | 2265 | AUS | 0.50 | 1 | -0.15 | 10 | -1.50 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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