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Individual Calculations July 2023 |
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| Davis, Tony J Total change: 7.80 | |   |
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| 2023 Hobsons Bay Western Masters Round 5 plus postponed games | Melbourne | AUS | 2023-05-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1625 | 1674 | 0.50 | 1 | -0.07 | 20 | -1.40 | |
|  Paul, Cijo | | | 1625 | USA | 0.50 | 1 | -0.07 | 20 | -1.40 | |
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 Excellence Open Round 6 | Melbourne | AUS | 2023-06-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1584 | 1654 | 0.50 | 1 | -0.10 | 20 | -2.00 | |
|  Zhang, Kevin W | | | 1584 | AUS | 0.50 | 1 | -0.10 | 20 | -2.00 | |
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 |
| 1634 | 1654 | 3.50 | 6 | 0.03 | 20 | 0.60 | |
| | Bredin, Jonathon | | | 1254 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Hernandez Sanchez, Jairo Andres | m | | 2353 | COL | 0.00 | 1 | -0.01 | 20 | -0.20 | | | Paul, Nikash | | | 1395 | AUS | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Kolak, Tanya | | | 1397 | AUS | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Hird, Jasper | | | 1484 | AUS | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Hartley, James | | | 1920 | AUS | 0.00 | 1 | -0.18 | 20 | -3.60 | | | * 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) | | | | 2023 Hobsons Bay Cup Rounds 1-3 | Melbourne | AUS | 2023-06-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1371 | 1654 | 3.00 | 3 | 0.53 | 20 | 10.60 | |
| | Wilkinson, Greg | | | 1254 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Matijas, Dejan | | | 1353 | AUS | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Salanowski, Mark | | | 1506 | AUS | 1.00 | 1 | 0.30 | 20 | 6.00 | | | * 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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