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Individual Calculations February 2018 |
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| Picken, Oliver Total change: 70.20 | |   |
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| New Zealand Major Open 2018 | Palmerston North | NZL | 2018-01-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1678 | 1769 | 3.50 | 7 | -0.72 | 36 | -25.92 | |
|  Qin, Oscar Shu Xuan | | | 1438 | NZL | 1.00 | 1 | 0.12 | 36 | 4.32 | |  Steadman, Mathew | | | 1509 | NZL | 1.00 | 1 | 0.18 | 36 | 6.48 | | | Kempen, Leon | c | | 1888 | AUS | 0.00 | 1 | -0.34 | 36 | -12.24 | | | Post, Martin | | | 1850 | NZL | 0.00 | 1 | -0.39 | 36 | -14.04 | | | Cooper, Nigel | | | 1692 | NZL | 1.00 | 1 | 0.39 | 36 | 14.04 | | | Winter, Ryan | | | 1470 | NZL | 0.50 | 1 | -0.35 | 36 | -12.60 | | | Yee, Stanley | c | | 1898 | NZL | 0.00 | 1 | -0.33 | 36 | -11.88 | |
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 |
| 1745 | 1769 | 4.50 | 6 | 1.39 | 36 | 50.04 | |
| | Malton, Isabella | | | 1369 * | NZL | 1.00 | 1 | 0.08 | 36 | 2.88 | | | Li, Rodney Xiang Rei | | | 1487 | NZL | 1.00 | 1 | 0.16 | 36 | 5.76 | | | Shek, Daniel | | | 1369 * | ENG | 1.00 | 1 | 0.08 | 36 | 2.88 | | | Ang, Alphaeus Wei Ern | c | | 2169 * | NZL | 0.00 | 1 | -0.08 | 36 | -2.88 | | | Fan, Allen Chi Zhou | c | | 2073 | NZL | 0.50 | 1 | 0.36 | 36 | 12.96 | | | Timergazi, Layla | | wm | 2000 | NZL | 1.00 | 1 | 0.79 | 36 | 28.44 | | | * 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 |
| 1815 | 1769 | 4.00 | 6 | 1.28 | 36 | 46.08 | |
| | Ryu, Rosa | | | 1369 * | NZL | 1.00 | 1 | 0.08 | 36 | 2.88 | | | McLaren, Leonard | f | | 2169 * | NZL | 1.00 | 1 | 0.92 | 36 | 33.12 | | | Zhang, Kendrick (kenny) | | | 1369 * | NZL | 1.00 | 1 | 0.08 | 36 | 2.88 | | | Ang, Alphaeus Wei Ern | c | | 2169 * | NZL | 0.00 | 1 | -0.08 | 36 | -2.88 | | | Thornton, Giovanni Antonio | | | 2136 | NZL | 0.00 | 1 | -0.10 | 36 | -3.60 | | | Ha, Huy Minh (timothy) | | | 1679 | NZL | 1.00 | 1 | 0.38 | 36 | 13.68 | | | * 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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