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Individual Calculations May 2023 |
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| Jiang, Renfei Total change: -10.00 | |   |
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| 2023 O2C Doeberl Cup Minor | Canberra | AUS | 2023-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1448 | 1539 | 3.00 | 7 | -1.34 | 40 | -53.60 | |
|  Liu, Joy | | | 1444 | AUS | 0.50 | 1 | -0.13 | 40 | -5.20 | |  Horikawa, Masaki | | | 1324 | AUS | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Reddy, Ashok | | | 1574 | AUS | 0.00 | 1 | -0.45 | 40 | -18.00 | | | Guo, Leo | | | 1504 | AUS | 0.00 | 1 | -0.55 | 40 | -22.00 | | | Cheng, Larry | | | 1477 | AUS | 0.00 | 1 | -0.59 | 40 | -23.60 | | | Wolffs, Walter | | | 1370 | AUS | 0.50 | 1 | -0.22 | 40 | -8.80 | | | Yang, Minchen | | | 1443 | AUS | 1.00 | 1 | 0.37 | 40 | 14.80 | |
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 |
| 1753 | 1539 | 2.50 | 6 | 1.01 | 40 | 40.40 | |
| | Teh, Rui Gen | | | 1987 | AUS | 0.00 | 1 | -0.06 | 40 | -2.40 | | | Hong, Xavier | | | 1641 | AUS | 1.00 | 1 | 0.64 | 40 | 25.60 | | | Chen, Austin | | | 1633 | AUS | 0.50 | 1 | 0.13 | 40 | 5.20 | | | Rupasinghe, Sayum | | | 1778 | AUS | 1.00 | 1 | 0.80 | 40 | 32.00 | | | Anup Kumar, Vihaan | | | 1671 | AUS | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Retnaraja, Ethan | | | 1806 | AUS | 0.00 | 1 | -0.18 | 40 | -7.20 | |
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 2 Round 1 | Melbourne | AUS | 2023-04-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1139 | 1539 | 1.00 | 1 | 0.08 | 40 | 3.20 | |
| | Zheng, Bonney | | | 1139 * | AUS | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * 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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