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Individual Calculations February 2018 |
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| Ning, Isabelle Yixuan Total change: -2.80 | |   |
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| New Zealand Major Open 2018 | Palmerston North | NZL | 2018-01-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1556 | 1391 | 2.50 | 8 | 0.02 | 40 | 0.80 | |
|  Gold, Hamish | | | 1749 | NZL | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Booth, Anthony | | | 1742 | NZL | 0.50 | 1 | 0.39 | 40 | 15.60 | |  Calitz, Hananke | | | 1699 | NZL | 0.50 | 1 | 0.36 | 40 | 14.40 | | | Clouston, Bevan | | | 1651 | AUS | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Wang, Aaron Ziwen | | | 1487 | NZL | 0.50 | 1 | 0.13 | 40 | 5.20 | | | Lukey, Bryce | | | 1322 | NZL | 0.00 | 1 | -0.60 | 40 | -24.00 | | | Stracy, Don | | | 1610 | NZL | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Ryu, Rosa | | | 1185 | NZL | 1.00 | 1 | 0.24 | 40 | 9.60 | |
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) | | | | New Zealand Junior Open 2018 | Palmerston North | NZL | 2018-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1616 | 1391 | 1.00 | 4 | 0.04 | 40 | 1.60 | |
| | Ang, Alphaeus Wei Ern | c | | 1791 * | NZL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Calitz, Hananke | | | 1699 | NZL | 0.00 | 1 | -0.14 | 40 | -5.60 | | | He, Caleb | | | 1463 | NZL | 0.00 | 1 | -0.40 | 40 | -16.00 | | | Steadman, Mathew | | | 1509 | NZL | 1.00 | 1 | 0.66 | 40 | 26.40 | | | * 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) | | | | Auckland Anniversary Weekend 2018 | Auckland | NZL | 2018-01-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1500 | 1391 | 1.00 | 3 | -0.13 | 40 | -5.20 | |
| | Ang, Alphaeus Wei Ern | c | | 1791 * | NZL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Goormachtigh, Laurens | | | 1692 | BEL | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Thurner, Anya | | | 1018 | NZL | 1.00 | 1 | 0.10 | 40 | 4.00 | | | * 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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