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Individual Calculations May 2023 |
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| Liu, William Rui Total change: -77.70 | |   |
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| ACC Autumn Cup 2023 1-3 | Auckland | NZL | 2023-04-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1498 | 1898 | 1.00 | 1 | 0.08 | 35 | 2.80 | |
|  Yue, Annie | | | 1498 * | NZL | 1.00 | 1 | 0.08 | 35 | 2.80 | | | * 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) | | | | 2023 O2C Doeberl Cup Premier | Canberra | AUS | 2023-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2009 | 1898 | 2.50 | 9 | -0.89 | 35 | -31.15 | |
|  Testolin, Ryder | | | 2146 | AUS | 1.00 | 1 | 0.81 | 35 | 28.35 | | | Liu, Yi | f | | 2319 | AUS | 0.00 | 1 | -0.07 | 35 | -2.45 | | | Dai, Cheng | | | 2017 | AUS | 0.00 | 1 | -0.34 | 35 | -11.90 | | | Asaka, Samuel | | | 2235 | AUS | 0.00 | 1 | -0.12 | 35 | -4.20 | | | Coy, Rupert | | | 1793 | AUS | 0.00 | 1 | -0.64 | 35 | -22.40 | | | Zhang, Kendrick (kenny) | c | | 1844 | NZL | 0.00 | 1 | -0.58 | 35 | -20.30 | | | Dowden, Tony | c | | 1949 | NZL | 0.50 | 1 | 0.07 | 35 | 2.45 | | | Siva Sankaran, Anup Kumar | | | 1817 | AUS | 1.00 | 1 | 0.39 | 35 | 13.65 | | | Safarian, Alek | | | 1961 | AUS | 0.00 | 1 | -0.41 | 35 | -14.35 | |
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 Junior Championship Under 20 | Canberra | AUS | 2023-04-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1745 | 1898 | 5.00 | 9 | -1.22 | 35 | -42.70 | |
| | Bond, Nicholas | | | 1606 | AUS | 0.50 | 1 | -0.35 | 35 | -12.25 | | | Langford, Josh | | | 1877 | NZL | 0.00 | 1 | -0.53 | 35 | -18.55 | | | Annapureddy, Rheyansh Reddy | | | 1745 | AUS | 0.50 | 1 | -0.20 | 35 | -7.00 | | | Ho, Lachlan | | | 1713 | AUS | 1.00 | 1 | 0.26 | 35 | 9.10 | | | Gatzen-O`keefe, Thomas | | | 1554 | AUS | 0.50 | 1 | -0.38 | 35 | -13.30 | | | Zhu, Harvey | | | 1756 | AUS | 1.00 | 1 | 0.31 | 35 | 10.85 | | | Young, Micah | | | 1808 | AUS | 0.50 | 1 | -0.12 | 35 | -4.20 | | | Gao, Arthur | | | 1781 | AUS | 0.50 | 1 | -0.16 | 35 | -5.60 | | | Leong, Benjamin | | | 1865 | AUS | 0.50 | 1 | -0.05 | 35 | -1.75 | |
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 North Shore Autumn A-Grade 1 | Auckland | NZL | 2023-04-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1754 | 1898 | 0.50 | 1 | -0.19 | 35 | -6.65 | |
| | Braganza, Nadia | | wc | 1754 | NZL | 0.50 | 1 | -0.19 | 35 | -6.65 | |
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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