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Individual Calculations May 2023 |
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| Hartley, James Total change: -38.28 | |   |
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| 2023 MCC Championship Rounds 8-9 | Melbourne | AUS | 2023-04-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2017 | 1951 | 0.00 | 1 | -0.41 | 33 | -13.53 | |
|  Dai, Cheng | | | 2017 | AUS | 0.00 | 1 | -0.41 | 33 | -13.53 | |
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 O2C Doeberl Cup Premier | Canberra | AUS | 2023-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2135 | 1951 | 4.50 | 9 | 1.60 | 33 | 52.80 | |
|  Lane, Gary W | m | | 2361 | AUS | 1.00 | 1 | 0.92 | 33 | 30.36 | | | Ikeda, Junta | m | | 2417 | AUS | 0.00 | 1 | -0.05 | 33 | -1.65 | | | Lee, Daniel | | | 1728 | AUS | 0.50 | 1 | -0.28 | 33 | -9.24 | | | Fernandez, Daniel Howard | g | | 2512 | ENG | 0.00 | 1 | -0.02 | 33 | -0.66 | | | Cheng, Chao Xin | | wc | 1786 | AUS | 1.00 | 1 | 0.28 | 33 | 9.24 | | | Ruan, Harry | | | 1923 | AUS | 1.00 | 1 | 0.46 | 33 | 15.18 | | | Winkelman, Albert | f | | 2261 | AUS | 0.50 | 1 | 0.36 | 33 | 11.88 | | | Kethro, Michael | f | | 2126 | AUS | 0.50 | 1 | 0.23 | 33 | 7.59 | | | Bayaca, Sterling | f | | 2098 | AUS | 0.00 | 1 | -0.30 | 33 | -9.90 | |
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 Oceania Junior Championship Under 20 | Canberra | AUS | 2023-04-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1661 | 1951 | 1.00 | 3 | -1.53 | 33 | -50.49 | |
| | Kalina, Leo | | | 1701 | AUS | 0.00 | 1 | -0.81 | 33 | -26.73 | | | Ni, Lucas | | | 1676 | AUS | 1.00 | 1 | 0.17 | 33 | 5.61 | | | Bond, Nicholas | | | 1606 | AUS | 0.00 | 1 | -0.89 | 33 | -29.37 | |
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 MCC Bob Brooking Memorial Weekender | Melbourne | AUS | 2023-04-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1692 | 1951 | 5.00 | 7 | -0.56 | 33 | -18.48 | |
| | Brockman, Roland | | | 1551 * | AUS | 1.00 | 1 | 0.08 | 33 | 2.64 | | | Dakic, Dusan | | | 1678 | AUS | 0.00 | 1 | -0.83 | 33 | -27.39 | | | Whitford, Matthew | | | 1509 | AUS | 0.50 | 1 | -0.44 | 33 | -14.52 | | | Hong, Xavier | | | 1641 | AUS | 1.00 | 1 | 0.14 | 33 | 4.62 | | | Manske, Alexander | | | 1739 | GER | 1.00 | 1 | 0.23 | 33 | 7.59 | | | Hain, Anthony | c | | 1885 | AUS | 1.00 | 1 | 0.41 | 33 | 13.53 | | | Lee, Lachlan | | | 1840 | AUS | 0.50 | 1 | -0.15 | 33 | -4.95 | | | * 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 Club Championship Division 1 Round 1 | Melbourne | AUS | 2023-04-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2135 | 1951 | 0.00 | 1 | -0.26 | 33 | -8.58 | |
| | Soo, Kai Jie | f | | 2135 | AUS | 0.00 | 1 | -0.26 | 33 | -8.58 | |
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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