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Individual Calculations May 2015 |
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| Power, P Wayne Total change: 0.80 | |   |
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| Oceania Seniors Chess Championship 2015 | Auckland | NZL | 2015-04-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1987 | 1888 | 1.50 | 4 | 0.04 | 20 | 0.80 | |
|  Gibbons, Robert E | | | 1992 | NZL | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Stuart, Peter W | | | 2011 | NZL | 0.50 | 1 | 0.17 | 20 | 3.40 | |  Bennett, Hilton P | c | | 1944 | NZL | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Kempen, Leon | c | | 2000 | AUS | 0.50 | 1 | 0.15 | 20 | 3.00 | |
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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