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Individual Calculations May 2023 |
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| Zhang, Richard Total change: -26.40 | |   |
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| 2023 Rooty Hill Autumn Swiss Rounds 1-4 | Sydney | AUS | 2023-04-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1462 | 1584 | 1.00 | 2 | -0.24 | 40 | -9.60 | |
|  Timtchev, Ivan | | | 1220 | AUS | 1.00 | 1 | 0.10 | 40 | 4.00 | |  Stalker, Ian | | | 1703 | AUS | 0.00 | 1 | -0.34 | 40 | -13.60 | |
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 O2C Doeberl Cup Minor | Canberra | AUS | 2023-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1479 | 1584 | 5.00 | 7 | 0.61 | 40 | 24.40 | |
| | Ong, Jonathan Si Seng | | | 1297 | AUS | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Khaiju, Gyanendra | | | 1739 | NEP | 0.00 | 1 | -0.29 | 40 | -11.60 | | | He, Andrew | | | 1381 | AUS | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Verma, Rudra | | | 1421 | AUS | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Lovejoy, David | | | 1674 | AUS | 0.50 | 1 | 0.12 | 40 | 4.80 | | | Jain, Shaurya | | | 1305 | IND | 0.50 | 1 | -0.34 | 40 | -13.60 | | | Liu, Ryan Chengji | | | 1538 | AUS | 1.00 | 1 | 0.44 | 40 | 17.60 | |
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 Oceania Youth Championship Under 14 | Canberra | AUS | 2023-04-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1428 | 1584 | 4.50 | 8 | -1.03 | 40 | -41.20 | |
| | Annamalai, Akshay | | | 1278 | AUS | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Gratchev, Elizaveta | | | 1439 | AUS | 0.50 | 1 | -0.19 | 40 | -7.60 | | | Praveen, Jeeva | | | 1464 | AUS | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Cooper, Joshua | | | 1398 | AUS | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Tang, Calen | | | 1285 | AUS | 0.00 | 1 | -0.85 | 40 | -34.00 | | | De Vas, Yonal | | | 1565 | AUS | 0.00 | 1 | -0.53 | 40 | -21.20 | | | Chang, Ethan | | | 1670 | AUS | 0.50 | 1 | 0.12 | 40 | 4.80 | | | Horikawa, Masaki | | | 1324 | AUS | 0.50 | 1 | -0.32 | 40 | -12.80 | |
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) | | |
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