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Individual Calculations August 2023 |
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| Davis, Tony J Total change: 7.00 | |   |
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| 2023 Chess Artists Winter Open Rounds 1-3 | Melbourne | AUS | 2023-07-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1317 | 1661 | 2.00 | 2 | 0.23 | 20 | 4.60 | |
|  Beckman, John | | | 1309 | AUS | 1.00 | 1 | 0.11 | 20 | 2.20 | |  Bambridge, Greg | | | 1324 | AUS | 1.00 | 1 | 0.12 | 20 | 2.40 | |
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 Hobsons Bay Cup Rounds 4-7 | Melbourne | AUS | 2023-07-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1701 | 1661 | 2.00 | 4 | 0.16 | 20 | 3.20 | |
| | Hogg, Dean | | | 1996 | AUS | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Krishnan, Anirudh | | | 1599 | AUS | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Annapureddy, Rheyansh Reddy | | | 1798 | AUS | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Nowak, Ruben | | | 1409 | AUS | 1.00 | 1 | 0.19 | 20 | 3.80 | |
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 Gold Coast Open Premier | Gold Coast | AUS | 2023-07-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1861 | 1661 | 2.00 | 8 | -0.04 | 20 | -0.80 | |
| | Shen, Zhiyuan | | | 1953 | AUS | 0.50 | 1 | 0.35 | 20 | 7.00 | | | Nonles, Ronald | | | 2054 | PHI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Thogata, Randheer | | | 1869 | AUS | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Fasakin, Oladoyin | | | 1896 | NGR | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Langford, Josh | | | 1907 | NZL | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Leong, Joel | | | 1764 | AUS | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Tankel, Alan | | | 1688 | AUS | 1.00 | 1 | 0.54 | 20 | 10.80 | | | Teh, Hui Lam | | | 1760 | MAS | 0.00 | 1 | -0.36 | 20 | -7.20 | |
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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