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Individual Calculations May 2023 |
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| Davis, Tony J Total change: -29.60 | |   |
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| 2023 Hobsons Bay Purdy Cup Rounds 4-5 | Melbourne | AUS | 2023-04-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1589 | 1704 | 1.00 | 2 | -0.22 | 20 | -4.40 | |
|  Matijas, Dejan | | | 1347 | AUS | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Beaumont, David | c | | 1830 | AUS | 0.00 | 1 | -0.33 | 20 | -6.60 | |
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 Major | Canberra | AUS | 2023-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1624 | 1704 | 3.00 | 7 | -1.26 | 20 | -25.20 | |
|  Guo, David | | | 1663 | AUS | 0.00 | 1 | -0.56 | 20 | -11.20 | | | Bhaumik, Ronen | | | 1665 | AUS | 0.00 | 1 | -0.55 | 20 | -11.00 | | | Ni, Lucas | | | 1676 | AUS | 0.00 | 1 | -0.54 | 20 | -10.80 | | | Yeung, Evan | | | 1556 | AUS | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Solomontchik, Daniel | | | 1659 | FID | 0.00 | 1 | -0.56 | 20 | -11.20 | | | Gatzen-O`keefe, Thomas | | | 1554 | AUS | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Shen, Fiona | | | 1595 | AUS | 1.00 | 1 | 0.35 | 20 | 7.00 | |
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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