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Individual Calculations July 2019 |
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| Chai, Isaac Total change: 30.80 | |   |
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| 2019 Chess Excellence Open | Melbourne | AUS | 2019-05-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1557 | 1321 | 1.00 | 4 | 0.12 | 40 | 4.80 | |
|  Chiverton, Fergus | | | 1721 * | AUS | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Beckman, John | | | 1473 | AUS | 0.00 | 1 | -0.30 | 40 | -12.00 | |  Cheng, Chao Xin | | | 1473 | AUS | 1.00 | 1 | 0.70 | 40 | 28.00 | | | Testolin, Ryder | | | 1560 | AUS | 0.00 | 1 | -0.20 | 40 | -8.00 | | | * 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) | | | | 2019 Victorian Open | Melbourne | AUS | 2019-06-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1429 | 1321 | 3.00 | 6 | 0.65 | 40 | 26.00 | |
| | Ilic, Nicholas | | | 1721 * | AUS | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Narenthran, Tharmaratnam | c | | 1721 * | AUS | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Prakash, Satya | | | 1515 | AUS | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Cauchi, John-Paul | | | 1141 | AUS | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Vella, Christopher | | | 1075 | AUS | 1.00 | 1 | 0.19 | 40 | 7.60 | | | O`rourke, Kevin | | | 1403 | AUS | 1.00 | 1 | 0.61 | 40 | 24.40 | | | * 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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