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Individual Calculations June 2021 |
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| Powell, Darren Total change: 22.40 | |   |
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| 2021 Perth Club Championship | Perth | AUS | 2021-03-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1585 | 1322 | 1.50 | 5 | 0.56 | 40 | 22.40 | |
|  Barry, David | | | 1471 | AUS | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Browning, Thomas | | | 1641 | AUS | 0.50 | 1 | 0.37 | 40 | 14.80 | |  Howard, Mark | | | 1532 | AUS | 1.00 | 1 | 0.77 | 40 | 30.80 | | | Hernandez Mendez, Iker | | | 1561 | AUS | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Stortz, Robert | | | 1722 * | AUS | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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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