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Individual Calculations January 2020 |
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| Davis, Tony J Total change: -50.20 | |   |
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| 2019 Hobsons Bay Club Championship | Melbourne | AUS | 2019-10-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1710 | 1840 | 4.50 | 7 | 0.04 | 20 | 0.80 | |
|  Hibberd, Nathan | | | 1933 | AUS | 0.50 | 1 | 0.13 | 20 | 2.60 | |  Gusain, Daniel | | | 1965 | AUS | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Whitford, Matthew | | | 1521 | AUS | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Saric, Sergey | | | 1491 | AUS | 0.50 | 1 | -0.39 | 20 | -7.80 | | | Richards, Derek | | | 1451 | AUS | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Humphreys, Scott | | | 1642 | AUS | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Beaumont, David | | | 1969 | AUS | 0.50 | 1 | 0.17 | 20 | 3.40 | |
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 Victorian Seniors Championship | Melbourne | AUS | 2019-10-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1760 | 1840 | 3.50 | 7 | -0.56 | 20 | -11.20 | |
| | Krysiak, Jerzy | | | 1499 | AUS | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Lojanica, Milenko | | | 2002 | BIH | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Hacche, David J | f | | 1930 | AUS | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Singh, Surjeet | | | 1485 | AUS | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Mehta, Prabhat | | | 1577 | AUS | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Savige, Colin B | | | 1865 | AUS | 0.00 | 1 | -0.47 | 20 | -9.40 | | | Lojanica, Zdravko | | | 1964 | AUS | 0.50 | 1 | 0.17 | 20 | 3.40 | |
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 Chess Artists Open | Melbourne | AUS | 2019-11-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1601 | 1850 | 3.50 | 7 | -1.99 | 20 | -39.80 | |
| | Feng, Angela | | | 1450 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Hughes, Jack G | | | 1703 | AUS | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Lu, Lillian | | | 1718 | AUS | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Fan, Chloe | | | 1450 * | AUS | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Kaplan, Alex | | | 1450 * | AUS | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Kalisch, Tom | | | 1671 | AUS | 0.00 | 1 | -0.73 | 20 | -14.60 | | | Leibert, Xander | | | 1763 | AUS | 0.50 | 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) | | |
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