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Individual Calculations January 2019 |
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| Cook, Geoff L Total change: 6.40 | |   |
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| 2018 Box Hill Open | Melbourne | AUS | 2018-10-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1450 | 1605 | 4.50 | 9 | -1.53 | 20 | -30.60 | |
|  Ng, Reyen | | | 1205 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Schon, Eugene | f | | 2005 * | AUS | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Gunstone, Jack | | | 1205 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Mangalaganesh, Rahul | | | 1276 | AUS | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Kildisas, Victor E | | | 1838 | AUS | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Ng, Reiner | | | 1625 | AUS | 0.00 | 1 | -0.47 | 20 | -9.40 | | | Kolak, Tanya | | | 1407 | AUS | 0.00 | 1 | -0.76 | 20 | -15.20 | | | Ramakrishnan, Atiksh | | | 1224 | AUS | 0.50 | 1 | -0.41 | 20 | -8.20 | | | Prince, Alan | | | 1268 | AUS | 1.00 | 1 | 0.12 | 20 | 2.40 | | | * 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) | | | | 2018 Chess Artists Open | Melbourne | AUS | 2018-11-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1626 | 1576 | 5.00 | 7 | 1.85 | 20 | 37.00 | |
| | Chiverton, Barnaby | | | 1254 | AUS | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Shen, Zhiyuan | | | 1894 | CHN | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Kolak, Tanya | | | 1445 | AUS | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Tan, Kai | | | 1889 | AUS | 0.50 | 1 | 0.36 | 20 | 7.20 | | | Davis, Tony J | c | | 1900 | AUS | 0.50 | 1 | 0.37 | 20 | 7.40 | | | Kaplan, Alex | | | 1396 | AUS | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Soetanto, Brandon | | | 1606 | AUS | 1.00 | 1 | 0.54 | 20 | 10.80 | |
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) | | |
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