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Individual Calculations November 2023 |
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| Chang, Ethan Total change: 43.20 | |   |
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| 2023 John Purdy Memorial Major Rounds 6-9 | Sydney | AUS | 2023-10-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1746 | 1623 | 2.50 | 4 | 1.08 | 40 | 43.20 | |
|  Murray, Bruce D | c | | 1848 | AUS | 1.00 | 1 | 0.78 | 40 | 31.20 | |  Huynh, Arthur | | | 1984 | AUS | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Majumder, Harun | | | 1363 | AUS | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Wan, Dennis | | | 1789 | AUS | 0.50 | 1 | 0.22 | 40 | 8.80 | |
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) | | |
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