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Individual Calculations August 2023 |
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| Rozuwiecka, Anna Total change: 6.60 | |   |
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| 2023 Chess Artists Winter Open Rounds 1-3 | Melbourne | AUS | 2023-07-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1459 | 1782 | 1.00 | 2 | -0.73 | 20 | -14.60 | |
|  Snider, Ralph | | | 1382 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Chmiel, Rad | | | 1536 | AUS | 0.00 | 1 | -0.81 | 20 | -16.20 | | | * 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) | | | | 2023 Box Hill Friday Grades Rounds 1-4 | Melbourne | AUS | 2023-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1477 | 1782 | 1.00 | 2 | -0.71 | 20 | -14.20 | |
| | Cook, Geoff L | | | 1447 | AUS | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Cordover, Oliver | | | 1506 | AUS | 0.00 | 1 | -0.83 | 20 | -16.60 | |
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 Victorian Championship Rounds 1-3 | Melbourne | AUS | 2023-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1857 | 1782 | 3.00 | 3 | 1.77 | 20 | 35.40 | |
| | Bassig, Hamish | c | | 2085 | AUS | 1.00 | 1 | 0.86 | 20 | 17.20 | | | Salasan, Haran | c | | 1944 | AUS | 1.00 | 1 | 0.71 | 20 | 14.20 | | | Cherukuvada, Tejas | | | 1542 | AUS | 1.00 | 1 | 0.20 | 20 | 4.00 | |
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) | | |
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