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Individual Calculations December 2023 |
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| Zhang, Kevin W Total change: 22.80 | |   |
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| 2023 MCC Greg Hjorth Open | Melbourne | AUS | 2023-11-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1531 | 1567 | 4.00 | 7 | 0.21 | 40 | 8.40 | |
|  Healey, Callum | | | 1174 | AUS | 1.00 | 1 | 0.08 | 40 | 3.20 | |  O`carroll, Om | | | 1735 | AUS | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Brockman, Roland | | | 1366 | AUS | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Hartley, James | c | | 1899 | AUS | 0.50 | 1 | 0.38 | 40 | 15.20 | | | Arthur, James | | | 1709 | AUS | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Picone, James | | | 1393 | AUS | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Zhang, Daniel | | | 1442 | AUS | 0.50 | 1 | -0.17 | 40 | -6.80 | |
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) | | | | 2023 Chess Artists Open Rounds 1-3 | Melbourne | AUS | 2023-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1479 | 1567 | 1.50 | 2 | 0.36 | 40 | 14.40 | |
| | Dissanayake, Naveen | | | 1167 * | AUS | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Dissanayake, Himath | | | 1791 | SRI | 0.50 | 1 | 0.28 | 40 | 11.20 | | | * 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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