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Individual Calculations July 2023 |
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| Cook, Geoff L Total change: -4.20 | |   |
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| 2023 Box Hill Club Championship Division 2 Rounds 6-8 | Melbourne | AUS | 2023-06-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1338 | 1451 | 2.00 | 3 | 0.06 | 20 | 1.20 | |
|  Clark, Peter | | | 1331 | AUS | 0.50 | 1 | -0.16 | 20 | -3.20 | |  Wei, Marcus M | | | 1449 | AUS | 0.50 | 1 | 0.00 | 20 | 0.00 | | | Liu, Ronald | | | 1235 | AUS | 1.00 | 1 | 0.22 | 20 | 4.40 | |
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 Chess Excellence Open Round 6 | Melbourne | AUS | 2023-06-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1625 | 1451 | 0.00 | 1 | -0.27 | 20 | -5.40 | |
| | Leontyev, Leon | | | 1625 | AUS | 0.00 | 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) | | |
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