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Individual Calculations April 2023 |
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| Bekker, Gary D Total change: -2.40 | |   |
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| 2023 MCC Championship Rounds 4-7 | Melbourne | AUS | 2023-02-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1685 | 1667 | 1.00 | 3 | -0.39 | 20 | -7.80 | |
|  Beaumont, David | | | 1845 | AUS | 0.00 | 1 | -0.27 | 20 | -5.40 | |  Kolak, Tanya | | | 1377 | AUS | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Poberezovsky, Daniel | | | 1832 | AUS | 0.00 | 1 | -0.28 | 20 | -5.60 | |
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 Box Hill Summer Cup Rounds 5-7 | Melbourne | AUS | 2023-03-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1641 | 1656 | 1.50 | 3 | -0.06 | 20 | -1.20 | |
| | Datar, Tejas | | | 1909 | AUS | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Wolffs, Walter | | | 1396 | AUS | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Cherukuvada, Tejas | | | 1619 | AUS | 0.50 | 1 | -0.05 | 20 | -1.00 | |
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) | | | | 2023 Chess Artists Club Championship Rounds 5-7 | Melbourne | AUS | 2023-03-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1566 | 1656 | 2.00 | 3 | 0.14 | 20 | 2.80 | |
| | Snider, Ralph | | | 1256 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Juri, Daniel | | | 2139 | SUI | 0.00 | 1 | -0.05 | 20 | -1.00 | | | Beckman, John | | | 1303 | AUS | 1.00 | 1 | 0.11 | 20 | 2.20 | | | * 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 Ballarat Begonia Open | Ballarat | AUS | 2023-03-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1631 | 1656 | 4.00 | 7 | 0.19 | 20 | 3.80 | |
| | Dragicevic, Domagoj | f | | 2087 | AUS | 0.00 | 1 | -0.07 | 20 | -1.40 | | | Brown, Greg | | | 1325 | AUS | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Flude, David A | | | 1312 | AUS | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Lee, Lachlan | | | 1862 | AUS | 1.00 | 1 | 0.76 | 20 | 15.20 | | | Clarke, Matthew | f | | 2095 | AUS | 0.00 | 1 | -0.06 | 20 | -1.20 | | | Buhagiar, Aden | | | 1401 | AUS | 0.00 | 1 | -0.81 | 20 | -16.20 | | | Zhang, Zhao Xi | | | 1337 | AUS | 1.00 | 1 | 0.13 | 20 | 2.60 | |
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) | | |
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