Individual Calculations September 2023 |
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James, David Total change: -6.60 | | |
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2023 John Purdy Memorial Major Round 1 | Sydney | AUS | 2023-08-29 |
Rc | Ro | w | n | change | K | K*chg | Game |
1352 | 1628 | 0.50 | 1 | -0.33 | 20 | -6.60 | |
| Ong, Jonathan Si Seng | | | 1352 | AUS | 0.50 | 1 | -0.33 | 20 | -6.60 | | 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) | |
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