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Individual Calculations July 2023 |
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| Hartley, James Total change: -26.40 | |   |
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| 2023 Box Hill Club Championship Division 1 Rounds 6-8 | Melbourne | AUS | 2023-06-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2133 | 1920 | 1.00 | 3 | 0.22 | 40 | 8.80 | |
|  Dai, Cheng | | | 2057 | AUS | 0.00 | 1 | -0.32 | 40 | -12.80 | |  Yang, Ray | f | | 1990 | AUS | 1.00 | 1 | 0.60 | 40 | 24.00 | | | Hernandez, Jairo | m | | 2353 | COL | 0.00 | 1 | -0.06 | 40 | -2.40 | |
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 Autumn Invitational Rounds 6-7 | Melbourne | AUS | 2023-06-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1974 | 1920 | 0.00 | 2 | -0.85 | 40 | -34.00 | |
| | Thogata, Randheer | | | 1957 | AUS | 0.00 | 1 | -0.45 | 40 | -18.00 | | | Yang, Ray | f | | 1990 | AUS | 0.00 | 1 | -0.40 | 40 | -16.00 | |
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 Box Hill Winter Round Robin Division A Rounds 3-4 plus postponed | Melbourne | AUS | 2023-06-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2017 | 1920 | 2.00 | 2 | 1.26 | 40 | 50.40 | |
| | Jager, Jesse | f | | 2076 | AUS | 1.00 | 1 | 0.71 | 40 | 28.40 | | | Thogata, Randheer | | | 1957 | AUS | 1.00 | 1 | 0.55 | 40 | 22.00 | |
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 Victorian Open | Melbourne | AUS | 2023-06-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1549 | 1920 | 5.00 | 7 | -1.29 | 40 | -51.60 | |
| | Jule, Elena | | | 1520 * | AUS | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Shao, Xiayang | | | 1562 | CHN | 0.50 | 1 | -0.40 | 40 | -16.00 | | | Hird, Jasper | | | 1484 | AUS | 1.00 | 1 | 0.06 | 40 | 2.40 | | | Smith, Jack | | | 1607 | AUS | 0.00 | 1 | -0.86 | 40 | -34.40 | | | Buhagiar, Aden | | | 1480 | AUS | 0.50 | 1 | -0.44 | 40 | -17.60 | | | Cooke, Scott | | | 1538 | AUS | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Davis, Tony J | c | | 1654 | AUS | 1.00 | 1 | 0.18 | 40 | 7.20 | | | * 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) | | |
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