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Individual Calculations February 2018 |
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| Seabrook, Roy Total change: 54.00 | |   |
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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 |
| 2013 | 1784 | 4.00 | 9 | 1.94 | 20 | 38.80 | |
|  Gao, Hans | | | 2167 | NZL | 0.00 | 1 | -0.09 | 20 | -1.80 | |  Savige, Colin B | | | 1964 | AUS | 1.00 | 1 | 0.74 | 20 | 14.80 | | | Jule, Alexandra | | wm | 2033 | AUS | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Timergazi, Layla | | wm | 2000 | NZL | 1.00 | 1 | 0.78 | 20 | 15.60 | | | James, Jack | c | | 2064 | NZL | 1.00 | 1 | 0.84 | 20 | 16.80 | | | Dowden, R. Anthony | | | 2028 | NZL | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Johansen, Darryl K | g | | 2184 * | AUS | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Schmitz, Manuela | | wf | 1896 | GER | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Caldeira, John | | | 1779 | FIJ | 1.00 | 1 | 0.49 | 20 | 9.80 | | | * 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) | | | | Palmy Knights Open 2018 | Palmerston North | NZL | 2018-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1910 | 1784 | 2.50 | 5 | 0.69 | 20 | 13.80 | |
| | Noble, Mark Frederick | f | | 2184 * | NZL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Post, Martin | | | 1850 | NZL | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Lyall, Simon | | | 1760 | NZL | 0.00 | 1 | -0.53 | 20 | -10.60 | | | Cooper, Nigel | | | 1692 | NZL | 1.00 | 1 | 0.37 | 20 | 7.40 | | | James, Jack | c | | 2064 | NZL | 1.00 | 1 | 0.84 | 20 | 16.80 | | | * 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 |
| 1620 | 1784 | 3.50 | 5 | 0.07 | 20 | 1.40 | |
| | Holdo, Karl | | | 1665 | NZL | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Thurner, Anya | | | 1384 * | NZL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Qiu, Daniel | | | 1384 * | NZL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Yan, Sarah | | | 1484 | NZL | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Garbett, Paul Anthony | m | | 2184 * | NZL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | * 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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