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Individual Calculations October 2020 |
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| Howard, Mark Total change: 35.20 | |   |
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| 2020 WA Reserves Championship | Perth | AUS | 2020-07-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1655 | 1497 | 1.00 | 3 | 0.10 | 40 | 4.00 | |
|  McAteer, Ian | | | 1641 | AUS | 1.00 | 1 | 0.69 | 40 | 27.60 | |  Fu, Yihe (rebo) | | | 1751 | CHN | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Gough, Dylan | | | 1572 | AUS | 0.00 | 1 | -0.40 | 40 | -16.00 | |
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) | | | | 2020 Perth Chess Club John Brooke Cup | Perth | AUS | 2020-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1450 | 1497 | 5.50 | 7 | 1.61 | 40 | 64.40 | |
| | Owen, Geoffrey | | | 1224 | AUS | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Lee, Su-Ann | | | 1442 | AUS | 1.00 | 1 | 0.42 | 40 | 16.80 | | | Boswarva, Ernest | | | 1554 | AUS | 1.00 | 1 | 0.58 | 40 | 23.20 | | | Massam, Justin | | | 1568 | AUS | 0.00 | 1 | -0.40 | 40 | -16.00 | | | Hounsome, David | | | 1559 | AUS | 0.50 | 1 | 0.09 | 40 | 3.60 | | | Brooke, John | | | 1505 | AUS | 1.00 | 1 | 0.51 | 40 | 20.40 | | | Powell, Darren | | | 1299 | AUS | 1.00 | 1 | 0.24 | 40 | 9.60 | |
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) | | | | 2020 David Ellis Cup | Perth | AUS | 2020-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1598 | 1497 | 1.00 | 5 | -0.83 | 40 | -33.20 | |
| | De Vas, Saminda | | | 1674 | SRI | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Simonds, Marcus | | | 1481 | AUS | 1.00 | 1 | 0.48 | 40 | 19.20 | | | Soutar, Gavin | | | 1707 | AUS | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Lugovskoy, Andrey | | | 1604 | AUS | 0.00 | 1 | -0.35 | 40 | -14.00 | | | Andrew, Christopher-Jack | | | 1523 | AUS | 0.00 | 1 | -0.46 | 40 | -18.40 | |
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) | | |
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