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Individual Calculations January 2020 |
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| Cook, Geoff L Total change: -12.60 | |   |
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| 2019 Victorian Seniors Championship | Melbourne | AUS | 2019-10-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1601 | 1612 | 3.50 | 6 | 0.34 | 20 | 6.80 | |
|  Hacche, David J | f | | 1930 | AUS | 0.00 | 1 | -0.13 | 20 | -2.60 | |  Flude, David A | | | 1453 | AUS | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Singh, Surjeet | | | 1485 | AUS | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Savige, Colin B | | | 1865 | AUS | 0.50 | 1 | 0.31 | 20 | 6.20 | | | Kolak, Tanya | | | 1384 | AUS | 0.50 | 1 | -0.29 | 20 | -5.80 | | | Sucevic, Milic | | | 1490 | AUS | 1.00 | 1 | 0.33 | 20 | 6.60 | |
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) | | | | 2019 Box Hill Open | Melbourne | AUS | 2019-10-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1330 | 1612 | 4.00 | 6 | -0.97 | 20 | -19.40 | |
| | Dang, Ryan | | | 1212 * | AUS | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Van Sebille, Sulia | | | 1428 | AUS | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Ng, Reyen | | | 1233 | AUS | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Arthur, James | | | 1356 | AUS | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Jansen, Tony | | | 1332 | AUS | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Kannan, Archit | | | 1421 | AUS | 0.00 | 1 | -0.75 | 20 | -15.00 | | | * 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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