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Individual Calculations February 2019 |
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| Milligan, Helen Total change: -2.60 | |   |
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| 126th NZL Championship and Open 2019 | Auckland | NZL | 2019-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2052 | 1954 | 3.50 | 8 | 0.39 | 20 | 7.80 | |
|  Johansen, Darryl K | g | | 2345 | AUS | 0.00 | 1 | -0.09 | 20 | -1.80 | |  Tsagarakis, Angelo | | | 1795 | AUS | 1.00 | 1 | 0.29 | 20 | 5.80 | | | McLaren, Leonard J | f | | 2184 | NZL | 0.50 | 1 | 0.29 | 20 | 5.80 | | | Fulo, Nunilon Iii | | | 2006 | PHI | 0.50 | 1 | 0.07 | 20 | 1.40 | | | Gottuk, Stefan | f | | 2179 | GER | 0.50 | 1 | 0.28 | 20 | 5.60 | | | Buciu, Aurel-John | c | | 1756 | AUS | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Goormachtigh, Johan | f | | 2148 | BEL | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Rains, Edward | c | | 1999 | NZL | 0.00 | 1 | -0.44 | 20 | -8.80 | |
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 Anniversary Weekend 2019 | Auckland | NZL | 2019-01-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1642 | 1954 | 2.00 | 3 | -0.52 | 20 | -10.40 | |
| | Jain, Uday | | | 1554 * | NZL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Braganza, Nadia | | wc | 1554 * | NZL | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Nagorski, Alex | c | | 1817 | NZL | 0.50 | 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) | | |
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