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Individual Calculations July 2023 |
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| Hettiarachchi, Buthsara Total change: -66.80 | |   |
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| 45th Trusts Chess Open B | Auckland | NZL | 2023-06-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1475 | 1537 | 1.50 | 5 | -1.41 | 40 | -56.40 | |
|  Gilmour, Mark | | | 1659 | NZL | 0.00 | 1 | -0.33 | 40 | -13.20 | |  Ray, Charlotte | | | 1418 | NZL | 0.00 | 1 | -0.66 | 40 | -26.40 | | | Jiang, Patrick Di | | | 1440 | NZL | 0.50 | 1 | -0.13 | 40 | -5.20 | | | Hooton, Barry R | | | 1363 | NZL | 1.00 | 1 | 0.27 | 40 | 10.80 | | | McLeod, Hugh | | | 1496 | NZL | 0.00 | 1 | -0.56 | 40 | -22.40 | |
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) | | | | ACC Winter Cup 2023 1 | Auckland | NZL | 2023-06-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1332 | 1537 | 0.50 | 1 | -0.26 | 40 | -10.40 | |
| | Ng, Lok Jim (lauren) | | | 1332 | NZL | 0.50 | 1 | -0.26 | 40 | -10.40 | |
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) | | |
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