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Individual Calculations July 2023 |
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| Zhang, Kevin W Total change: -30.40 | |   |
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| 2023 Chess Excellence Open Round 6 | Melbourne | AUS | 2023-06-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1654 | 1584 | 0.50 | 1 | 0.10 | 40 | 4.00 | |
|  Davis, Tony J | c | | 1654 | AUS | 0.50 | 1 | 0.10 | 40 | 4.00 | |
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) | | | | 2023 Victorian Open | Melbourne | AUS | 2023-06-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1345 | 1584 | 4.50 | 7 | -0.86 | 40 | -34.40 | |
| | Snow, Richard A | | | 1184 * | AUS | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Lane, Ryan | | | 1922 | AUS | 0.00 | 1 | -0.12 | 40 | -4.80 | | | McEwan, Hayden | | | 1278 | AUS | 0.00 | 1 | -0.86 | 40 | -34.40 | | | Tang, Fergus | | | 1174 | AUS | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Muchhala, Sohil | | | 1228 | AUS | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Yan, Emerson | | | 1296 | AUS | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Clark, Peter | | | 1331 | AUS | 1.00 | 1 | 0.19 | 40 | 7.60 | | | * 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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