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Individual Calculations November 2023 |
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| Laurie, Robert Total change: -25.60 | |   |
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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 |
| 1374 | 1425 | 1.00 | 4 | -1.28 | 20 | -25.60 | |
|  Arav, Callan | | | 1316 | AUS | 0.00 | 1 | -0.65 | 20 | -13.00 | |  He, Andrew | | | 1420 | AUS | 0.00 | 1 | -0.51 | 20 | -10.20 | | | Case, Ivan | | | 1492 | AUS | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Ventura, Paul | | | 1269 | AUS | 1.00 | 1 | 0.29 | 20 | 5.80 | |
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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