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Individual Calculations September 2023 |
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| Bayaca, Sterling Total change: 7.00 | |   |
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| 2023 NSW Championship Round 9 plus postponed | Sydney | AUS | 2023-08-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1991 | 2166 | 1.00 | 1 | 0.27 | 20 | 5.40 | |
|  Melamed, Daniel | | | 1991 | AUS | 1.00 | 1 | 0.27 | 20 | 5.40 | |
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) | | | | 2023 John Purdy Memorial Major Round 1 | Sydney | AUS | 2023-08-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1766 | 2166 | 1.00 | 1 | 0.08 | 20 | 1.60 | |
|  Stern, David | | | 1766 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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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