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Individual Calculations December 2019 |
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| Patel, Dhwani Total change: 13.60 | |   |
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| 2019 Rooty Hill Club Championship Div C | Sydney | AUS | 2019-09-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1571 | 1537 | 2.00 | 5 | -0.26 | 40 | -10.40 | |
|  Zhao Chen, Winston | | | 1564 | AUS | 0.50 | 1 | 0.04 | 40 | 1.60 | | | Tanev, Vic | | | 1549 | AUS | 0.50 | 1 | 0.02 | 40 | 0.80 | | | Eltakchi, Phillip | | | 1559 | AUS | 0.00 | 1 | -0.47 | 40 | -18.80 | |  Rahman, Tanzilur | | | 1573 | AUS | 0.00 | 1 | -0.45 | 40 | -18.00 | | | Yao, John | | | 1608 | AUS | 1.00 | 1 | 0.60 | 40 | 24.00 | |
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) | | | | 2019 Norths John Purdy Memorial Open | Sydney | AUS | 2019-09-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1426 | 1537 | 3.00 | 4 | 0.60 | 40 | 24.00 | |
| | Gram, Otto | | | 1137 * | AUS | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Panicker, Shanay | | | 1174 | AUS | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Case, Ivan | | | 1672 | AUS | 1.00 | 1 | 0.68 | 40 | 27.20 | | | Blaszczyk, Michael | | | 1721 | AUS | 0.00 | 1 | -0.26 | 40 | -10.40 | | | * 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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