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Individual Calculations February 2015 |
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| Drummond, Matthew Total change: 6.60 | |   |
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| New Zealand Open including 122nd Championship | Auckland | NZL | 2015-01-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2100 | 2231 | 5.50 | 8 | 0.33 | 20 | 6.60 | |
|  Rossiter, Philip E | | | 1831 * | NZL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Milligan, Helen | c | wf | 1968 | NZL | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Hair, Philip I | | | 1941 | NZL | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Van Riemsdijk, Herman C. | m | | 2356 | BRA | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Ker, Anthony F | m | | 2302 | NZL | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Dive, Russell J | m | | 2315 | NZL | 0.00 | 1 | -0.38 | 20 | -7.60 | | | McNabb, Matthew D | | | 2069 | NZL | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Goodhue, Nathan | | | 2020 | NZL | 1.00 | 1 | 0.23 | 20 | 4.60 | | | * 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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