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Individual Calculations May 2023 |
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| Chai, Isaac Total change: 31.20 | |   |
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| 2023 O2C Doeberl Cup Mini | Canberra | AUS | 2023-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1223 | 1395 | 3.50 | 5 | -0.10 | 40 | -4.00 | |
|  Savery, Tamsin | | | 1289 | AUS | 0.50 | 1 | -0.14 | 40 | -5.60 | |  Pramod, Rishaan | | | 1132 | AUS | 0.00 | 1 | -0.82 | 40 | -32.80 | | | Zhang, Oliver | | | 1217 | AUS | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Jigando, Mia | | | 1243 | AUS | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Hadikusumo, Elijah | | | 1235 | AUS | 1.00 | 1 | 0.29 | 40 | 11.60 | |
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 |
| 1470 | 1395 | 4.00 | 7 | 0.88 | 40 | 35.20 | |
| | Saisiddharth, Naraharasetty | | | 1947 | AUS | 0.50 | 1 | 0.47 | 40 | 18.80 | | | Chang, Ethan | | | 1670 | AUS | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Horikawa, Masaki | | | 1324 | AUS | 0.50 | 1 | -0.10 | 40 | -4.00 | | | De Vas, Yonal | | | 1565 | AUS | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Annamalai, Akshay | | | 1278 | AUS | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Horlin-Smith, Alexander | | | 1222 | AUS | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Tang, Calen | | | 1285 | AUS | 1.00 | 1 | 0.35 | 40 | 14.00 | |
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) | | |
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