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Individual Calculations September 2019 |
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| Cook, Geoff L Total change: -27.40 | |   |
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| 2019 Chess Artists Winter Open | Melbourne | AUS | 2019-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1649 | 1589 | 2.00 | 4 | 0.32 | 20 | 6.40 | |
|  Narenthran, Tharmaratnam | c | | 1782 | AUS | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Mann, Anthony | | | 1690 | AUS | 1.00 | 1 | 0.64 | 20 | 12.80 | | | Leibert, Xander | | | 1750 | AUS | 0.00 | 1 | -0.29 | 20 | -5.80 | |  Shawcross, Hartley | | | 1373 | AUS | 1.00 | 1 | 0.22 | 20 | 4.40 | |
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) | | | | 2019 Box Hill Grades | Melbourne | AUS | 2019-07-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1616 | 1636 | 2.00 | 7 | -1.69 | 20 | -33.80 | |
| | Do, Aaron | | | 1691 | AUS | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Hooi, Ethan | | | 1608 | AUS | 0.50 | 1 | -0.04 | 20 | -0.80 | | | Deng, Jimmy | | | 1696 | AUS | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Sharman, Scot A | | | 1500 | AUS | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Mehta, Prabhat | | | 1552 | AUS | 0.00 | 1 | -0.62 | 20 | -12.40 | | | Balasubramanian, Mangalaganesh | | | 1629 | AUS | 1.00 | 1 | 0.49 | 20 | 9.80 | | | Soetanto, Brandon | | | 1633 | AUS | 0.50 | 1 | 0.00 | 20 | 0.00 | |
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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