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Individual Calculations July 2023 |
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| Duckworth, Terry Total change: -4.60 | |   |
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| 2023 Rooty Hill Autumn Swiss Round 9 | Sydney | AUS | 2023-05-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1328 | 1518 | 1.00 | 1 | 0.25 | 20 | 5.00 | |
|  Jansen, Michael | | | 1328 | AUS | 1.00 | 1 | 0.25 | 20 | 5.00 | |
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) | | | | 2023 Rooty Hill Club Championship Division B Rounds 1-3 | Sydney | AUS | 2023-06-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1381 | 1508 | 1.50 | 3 | -0.48 | 20 | -9.60 | |
| | Gao, Terry | | | 1334 | AUS | 1.00 | 1 | 0.27 | 20 | 5.40 | |  Zhang, Richard | | | 1553 | AUS | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Huang, Isaac | | | 1255 | AUS | 0.50 | 1 | -0.31 | 20 | -6.20 | |
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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