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Individual Calculations July 2019 |
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| Davis, Tony J Total change: 8.80 | |   |
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| 2019 Hobsons Bay Cup | Melbourne | AUS | 2019-04-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1579 | 1831 | 4.50 | 5 | 0.65 | 20 | 13.00 | |
|  Johns, Brent | | | 1431 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Whitford, Matthew | | | 1485 | AUS | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Saric, Sergey | | | 1431 * | AUS | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Hogan, Steven | | | 1538 | AUS | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Hogg, Dean | | | 2009 | AUS | 1.00 | 1 | 0.73 | 20 | 14.60 | | | * 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) | | | | 2019 Chess Excellence Open | Melbourne | AUS | 2019-05-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1487 | 1805 | 4.50 | 6 | -0.63 | 20 | -12.60 | |
| | Chang, Sophie | | | 1414 | AUS | 0.00 | 1 | -0.91 | 20 | -18.20 | | | Tao, Zoe | | | 1405 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Gao, James Lequan | | | 1405 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Beckman, John | | | 1473 | AUS | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Chai, Kang | | | 1637 | AUS | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Cook, Geoff L | | | 1589 | AUS | 0.50 | 1 | -0.28 | 20 | -5.60 | | | * 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) | | | | 2019 Victorian Open | Melbourne | AUS | 2019-06-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1727 | 1805 | 4.00 | 6 | 0.42 | 20 | 8.40 | |
| | Morrison, Jennifer | | | 1405 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Chan, Luis | f | | 2205 * | AUS | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Jago, Stephen | | | 1502 | AUS | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Gorka, Carl | | | 2103 | ENG | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Prakash, Satya | | | 1515 | AUS | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Zafirakos, Jesse | | | 1631 | AUS | 1.00 | 1 | 0.27 | 20 | 5.40 | | | * 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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