Individual Calculations August 2021 |
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Zhang, David Total change: -26.00 | | ![Rating chart](/imga/chart.gif) ![Personal card](/imga/card.gif) |
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2021 Checkmate FIDE Open | Adelaide | AUS | 2021-07-09 |
Rc | Ro | w | n | change | K | K*chg | Game |
1625 | 1456 | 0.50 | 4 | -0.65 | 40 | -26.00 | |
| Davis, Tony J | c | | 1743 | AUS | 0.00 | 1 | -0.16 | 40 | -6.40 | | Pattison, Hamish | | | 1685 | AUS | 0.50 | 1 | 0.29 | 40 | 11.60 | | Marriott, Max | | | 1469 | AUS | 0.00 | 1 | -0.48 | 40 | -19.20 | | Retnaraja, Ethan | | | 1604 | AUS | 0.00 | 1 | -0.30 | 40 | -12.00 | | 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) | |
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