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Individual Calculations April 2023 |
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| Cook, Geoff L Total change: 1.80 | |   |
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| 2023 Chess Artists Club Championship Rounds 5-7 | Melbourne | AUS | 2023-03-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1387 | 1488 | 2.00 | 3 | 0.09 | 20 | 1.80 | |
|  Coracas, Tass | | | 1346 | AUS | 0.00 | 1 | -0.69 | 20 | -13.80 | |  Zhang, Kevin W | | | 1427 | AUS | 1.00 | 1 | 0.42 | 20 | 8.40 | | | De Rooy, Samuel | | | 1387 | AUS | 1.00 | 1 | 0.36 | 20 | 7.20 | |
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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