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Individual Calculations May 2019 |
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| Punsalan, Vyanla M Total change: -11.20 | |   |
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| North Island Championship 2019 | Wellington | NZL | 2019-04-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1870 | 1943 | 3.00 | 6 | -0.59 | 40 | -23.60 | |
|  Dive, Russell J | m | | 2298 | NZL | 0.00 | 1 | -0.11 | 40 | -4.40 | |  He, Caleb | | | 1670 | NZL | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Sole, Michael D | | | 1804 | NZL | 0.50 | 1 | -0.19 | 40 | -7.60 | | | Brockway, Andrew | | | 1727 | NZL | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Cilia Vincenti, David | c | | 2064 | MLT | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Findlay, John | | | 1655 | NZL | 0.50 | 1 | -0.34 | 40 | -13.60 | |
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) | | | | Auckland ANZAC Weekender 2019 | Auckland | NZL | 2019-04-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1798 | 1943 | 3.50 | 5 | 0.31 | 40 | 12.40 | |
| | Zhang, Boyuan | | | 1543 * | NZL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Braganza, Nadia | | wc | 1543 * | NZL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Ang, Alphaeus Wei Ern | c | | 2277 | NZL | 0.50 | 1 | 0.38 | 40 | 15.20 | | | Duneas, John | c | | 2083 | NZL | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Yu, Jeffrey | | | 1543 * | NZL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * 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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