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Individual Calculations November 2011 |
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| Seabrook, Roy Total change: 17.40 | |   |
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| North Shore Club Championship 2011 | Auckland | NZL | 2011-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2009 | 1849 | 3.50 | 9 | 0.75 | 30 | 22.50 | |
|  Isaac, Ceferino | | | 2011 | NZL | 0.00 | 1 | -0.29 | 30 | -8.70 | |  Evans, David | | | 1980 | NZL | 0.50 | 1 | 0.18 | 30 | 5.40 | | | Stone, Andrew | | | 2002 | NZL | 0.00 | 1 | -0.30 | 30 | -9.00 | | | Zhao, Dean | | | 1885 | NZL | 1.00 | 1 | 0.55 | 30 | 16.50 | | | Watson, Bruce | f | | 2249 * | NZL | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Krstev, Antonio | | | 2150 | NZL | 0.00 | 1 | -0.15 | 30 | -4.50 | | | Stuart, Peter | | | 2005 | NZL | 1.00 | 1 | 0.71 | 30 | 21.30 | | | Johns, Daniel | | | 1831 | NZL | 1.00 | 1 | 0.47 | 30 | 14.10 | | | Milligan, Helen | | wf | 1965 | NZL | 0.00 | 1 | -0.34 | 30 | -10.20 | | | * 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) | | | NOTE: K factor changed | | North Shore Open 2011 | Auckland | NZL | 2011-08-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1891 | 1849 | 1.00 | 3 | -0.34 | 15 | -5.10 | |
| | Johns, Daniel | | | 1831 | NZL | 0.00 | 1 | -0.53 | 15 | -7.95 | | | Stone, Andrew | | | 2002 | NZL | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Yao, Winston Yow-Jen | | | 1839 | NZL | 1.00 | 1 | 0.49 | 15 | 7.35 | |
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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