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Individual Calculations April 2020 |
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| Davis, Tony J Total change: -44.20 | |   |
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| 2020 Chess Artists Caulfield Club Championship | Melbourne | AUS | 2020-02-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1460 | 1800 | 2.50 | 5 | -1.85 | 20 | -37.00 | |
|  Kolak, Tanya | | | 1452 | AUS | 1.00 | 1 | 0.11 | 20 | 2.20 | |  Li, Jackie | | | 1647 | AUS | 0.00 | 1 | -0.70 | 20 | -14.00 | | | Gao, Arthur | | | 1400 * | AUS | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Xu, Chengyun | | | 1400 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Arthur, James | | | 1403 | AUS | 0.50 | 1 | -0.42 | 20 | -8.40 | | | * 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) | | | | 2020 Ballarat Begonia Open | Ballarat | AUS | 2020-03-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1582 | 1819 | 4.00 | 6 | -0.56 | 20 | -11.20 | |
| | Dang, Ryan | | | 1419 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Zhao, Zong-Yuan | g | | 2219 * | AUS | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Whitford, Matthew | | | 1488 | AUS | 0.00 | 1 | -0.88 | 20 | -17.60 | | | Clark, Peter | | | 1419 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Voigt, Gary J | | | 1530 | AUS | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Gao, Daniel Danning | | | 1419 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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) | | | | 2020 Hobsons Bay CJS Purdy Cup | Melbourne | AUS | 2020-03-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1448 | 1819 | 2.00 | 2 | 0.20 | 20 | 4.00 | |
| | Clerk, Felix | | | 1419 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Richards, Derek | | | 1476 | 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) | | |
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