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Individual Calculations February 2018 |
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| Fan, Allen Chi Zhou Total change: 20.13 | |   |
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| New Zealand Open including 125th Championship | Palmerston North | NZL | 2018-01-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2027 | 2073 | 5.50 | 9 | 0.43 | 33 | 14.19 | |
|  Qin, Joy Shu Yan | | wc | 1739 | NZL | 0.00 | 1 | -0.88 | 33 | -29.04 | |  Milligan, Helen | c | wf | 1958 | NZL | 1.00 | 1 | 0.34 | 33 | 11.22 | | | Goodhue, Nathan | | | 1908 | NZL | 0.00 | 1 | -0.72 | 33 | -23.76 | | | Punsalan, Vyanla M | | wc | 1987 | NZL | 1.00 | 1 | 0.38 | 33 | 12.54 | | | Schmitz, Manuela | | wf | 1896 | GER | 1.00 | 1 | 0.27 | 33 | 8.91 | | | Borsos, Bogdan | m | | 2315 | UKR | 0.00 | 1 | -0.20 | 33 | -6.60 | | | Duneas, John | c | | 2035 | NZL | 1.00 | 1 | 0.45 | 33 | 14.85 | | | Dowden, R. Anthony | | | 2028 | NZL | 1.00 | 1 | 0.44 | 33 | 14.52 | | | Johansen, Darryl K | g | | 2374 | AUS | 0.50 | 1 | 0.35 | 33 | 11.55 | |
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 |
| 1744 | 2073 | 4.50 | 6 | -0.64 | 33 | -21.12 | |
| | Gao, Hugh Zihuai | | | 1673 * | NZL | 1.00 | 1 | 0.08 | 33 | 2.64 | | | Steadman, Mathew | | | 1673 * | NZL | 1.00 | 1 | 0.08 | 33 | 2.64 | | | Timergazi, Layla | | wm | 2000 | NZL | 0.00 | 1 | -0.60 | 33 | -19.80 | | | Salasan, Haran | | | 1673 * | AUS | 1.00 | 1 | 0.08 | 33 | 2.64 | | | Picken, Oliver | c | | 1769 | NZL | 0.50 | 1 | -0.36 | 33 | -11.88 | | | Shek, Daniel | | | 1673 * | ENG | 1.00 | 1 | 0.08 | 33 | 2.64 | | | * 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 |
| 1946 | 2073 | 4.50 | 6 | 0.82 | 33 | 27.06 | |
| | Park-Tamati, Philli | | | 1673 * | NZL | 1.00 | 1 | 0.08 | 33 | 2.64 | | | Peak, Stephen | | | 1673 * | NZL | 1.00 | 1 | 0.08 | 33 | 2.64 | | | Ang, Alphaeus Wei Ern | c | | 2219 | NZL | 0.00 | 1 | -0.30 | 33 | -9.90 | | | Ha, Huy Minh (timothy) | | | 1679 | NZL | 1.00 | 1 | 0.08 | 33 | 2.64 | | | McLaren, Leonard | f | | 2229 | NZL | 1.00 | 1 | 0.71 | 33 | 23.43 | | | Smith, Robert W | f | | 2201 | NZL | 0.50 | 1 | 0.17 | 33 | 5.61 | | | * 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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