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Individual Calculations September 2018 |
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| Koestanto, Erwin Total change: 58.00 | |   |
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| Peter Stuart Memorial B-Grade 2018 | North Shore | NZL | 2018-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1675 | 1770 | 4.50 | 5 | 1.45 | 40 | 58.00 | |
|  Xie, Felix | | | 1494 | NZL | 1.00 | 1 | 0.17 | 40 | 6.80 | |  Burrows, Grant L | | | 1465 | NZL | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Holdo, Karl | | | 1682 | NZL | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Rider, Brett | | | 1934 | NZL | 0.50 | 1 | 0.22 | 40 | 8.80 | | | Eade, Don | c | | 1801 | NZL | 1.00 | 1 | 0.54 | 40 | 21.60 | |
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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