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Individual Calculations May 2023 |
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| Lee, Lachlan Total change: 106.92 | |   |
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| 2023 O2C Doeberl Cup Premier | Canberra | AUS | 2023-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2120 | 1840 | 3.50 | 9 | 1.81 | 33 | 59.73 | |
|  Castor, David | c | | 2070 | AUS | 1.00 | 1 | 0.79 | 33 | 26.07 | |  Winkelman, Albert | f | | 2261 | AUS | 0.00 | 1 | -0.07 | 33 | -2.31 | | | Stojic, Svetozar | f | | 1978 | AUS | 1.00 | 1 | 0.69 | 33 | 22.77 | | | Merenciano, Alexandre | | | 2216 | FRA | 0.00 | 1 | -0.09 | 33 | -2.97 | | | Anderson, Brendan | | | 1984 | AUS | 1.00 | 1 | 0.69 | 33 | 22.77 | | | Press, Harry | | | 2078 | AUS | 0.50 | 1 | 0.30 | 33 | 9.90 | | | Asaka, Samuel | | | 2235 | AUS | 0.00 | 1 | -0.08 | 33 | -2.64 | | | Liu, Yi | f | | 2319 | AUS | 0.00 | 1 | -0.05 | 33 | -1.65 | | | Li, Tedric | | | 1936 | AUS | 0.00 | 1 | -0.37 | 33 | -12.21 | |
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 Youth Championship Under 16 | Canberra | AUS | 2023-04-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1540 | 1840 | 2.00 | 4 | -1.34 | 33 | -44.22 | |
| | Chan, Benny | | | 1415 | AUS | 1.00 | 1 | 0.07 | 33 | 2.31 | | | Chen, Austin | | | 1633 | AUS | 0.00 | 1 | -0.77 | 33 | -25.41 | | | Zara, Baraa | | | 1440 * | NZL | 1.00 | 1 | 0.08 | 33 | 2.64 | | | Anup Kumar, Vihaan | | | 1671 | AUS | 0.00 | 1 | -0.72 | 33 | -23.76 | | | * 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 MCC Bob Brooking Memorial Weekender | Melbourne | AUS | 2023-04-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1907 | 1840 | 6.00 | 8 | 2.77 | 33 | 91.41 | |
| | Chen, Minnie | | | 1440 * | AUS | 1.00 | 1 | 0.08 | 33 | 2.64 | | | Coyukiat, Ian | | | 1563 | HKG | 1.00 | 1 | 0.17 | 33 | 5.61 | | | Yang, Ray | f | | 2068 | AUS | 1.00 | 1 | 0.79 | 33 | 26.07 | | | Soo, Kai Jie | f | | 2135 | AUS | 1.00 | 1 | 0.85 | 33 | 28.05 | | | Cannon, David | f | | 2113 | AUS | 0.50 | 1 | 0.33 | 33 | 10.89 | | | Li, Tedric | | | 1936 | AUS | 0.00 | 1 | -0.37 | 33 | -12.21 | | | Urban, Sylvester | f | | 2051 | AUS | 1.00 | 1 | 0.77 | 33 | 25.41 | | | Hartley, James | | | 1951 | 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) | | |
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