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Individual Calculations May 2023 |
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| Vujasin, Nikola Total change: -70.60 | |   |
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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 |
| 1293 | 1631 | 1.00 | 1 | 0.12 | 40 | 4.80 | |
|  Pan, Renee Yang | | | 1293 | AUS | 1.00 | 1 | 0.12 | 40 | 4.80 | |
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 Norths Club Championship Tournament 3 Round 9 | Sydney | AUS | 2023-04-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1660 | 1631 | 0.00 | 1 | -0.46 | 40 | -18.40 | |
|  Jiang, Benjamin Wise | | | 1660 | AUS | 0.00 | 1 | -0.46 | 40 | -18.40 | |
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 Major | Canberra | AUS | 2023-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1643 | 1631 | 2.50 | 7 | -0.87 | 40 | -34.80 | |
| | Mann, Anthony | | | 1693 | AUS | 0.00 | 1 | -0.41 | 40 | -16.40 | | | Nwosu, Nnaemeka | | | 1602 | NGR | 0.50 | 1 | -0.04 | 40 | -1.60 | | | Brown, Jordan | | | 1674 | AUS | 0.00 | 1 | -0.44 | 40 | -17.60 | | | Pearce, Tim | | | 1622 | AUS | 0.50 | 1 | -0.01 | 40 | -0.40 | | | Christensen, Joshua | | | 1742 | AUS | 0.50 | 1 | 0.15 | 40 | 6.00 | | | Sheridan, Wallace | | | 1465 | AUS | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Kalina, Leo | | | 1701 | AUS | 0.00 | 1 | -0.40 | 40 | -16.00 | |
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) | | | NOTE: K factor changed | | 2023 MCC Bob Brooking Memorial Weekender | Melbourne | AUS | 2023-04-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1525 | 1631 | 3.00 | 7 | -1.11 | 20 | -22.20 | |
| | Kong, Ren En | | | 1896 | MAS | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Bredin, Jonathon | | | 1231 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Hain, Anthony | c | | 1885 | AUS | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Huang, Jack Tj | | | 1185 | AUS | 0.50 | 1 | -0.44 | 20 | -8.80 | | | Shirawala, Sahar | | | 1144 | AUS | 1.00 | 1 | 0.04 | 20 | 0.80 | | | Heydari, Majid | | | 1888 | IRI | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Zhang, Kevin W | | | 1445 | AUS | 0.50 | 1 | -0.24 | 20 | -4.80 | | | * 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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