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Individual Calculations September 2019 |
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| Duneas, John Total change: -36.40 | |   |
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| Peter Stuart Memorial Open 2019 | Auckland | NZL | 2019-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1878 | 2151 | 1.50 | 4 | -1.82 | 20 | -36.40 | |
|  Metge, J Nigel | | | 1911 | NZL | 0.50 | 1 | -0.30 | 20 | -6.00 | |  Vickers, Josia | | | 1837 | NZL | 0.00 | 1 | -0.86 | 20 | -17.20 | | | Nagorski, Alex | c | | 1858 | NZL | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Punsalan, Vyanla M | | wf | 1904 | NZL | 0.00 | 1 | -0.81 | 20 | -16.20 | |
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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