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Individual Calculations February 2018 |
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| Yan, Sarah Total change: 62.00 | |   |
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| New Zealand Major Open 2018 | Palmerston North | NZL | 2018-01-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1670 | 1484 | 4.00 | 7 | 2.07 | 40 | 82.80 | |
|  Post, Martin | | | 1850 | NZL | 0.00 | 1 | -0.10 | 40 | -4.00 | |  Ryu, Rosa | | | 1185 | NZL | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Goormachtigh, Laurens | | | 1692 | BEL | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Booth, Anthony | | | 1742 | NZL | 1.00 | 1 | 0.82 | 40 | 32.80 | | | Calitz, Hananke | | | 1699 | NZL | 1.00 | 1 | 0.77 | 40 | 30.80 | | | Carpinter, Bernard | | | 1774 | NZL | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Charles, Dion | | | 1747 | NZL | 0.50 | 1 | 0.32 | 40 | 12.80 | |
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 2018 | Auckland | NZL | 2018-01-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1420 | 1484 | 3.00 | 6 | -0.52 | 40 | -20.80 | |
| | Hague, Ben | f | | 1884 * | NZL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Xie, Felix | | | 1197 | NZL | 0.50 | 1 | -0.34 | 40 | -13.60 | | | Barry, Jacob | | | 1216 | NZL | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Zhang, Kendrick (kenny) | | | 1129 | NZL | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Seabrook, Roy | | | 1784 | NZL | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Park-Tamati, Philli | | | 1310 | NZL | 0.50 | 1 | -0.23 | 40 | -9.20 | | | * 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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