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Individual Calculations January 2020 |
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| Sellen, Ian Total change: 1.20 | |   |
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| 2019 Wellington Chess Club B Grade Championship | Wellington | NZL | 2019-09-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1763 | 1935 | 6.50 | 9 | 0.06 | 20 | 1.20 | |
|  Sole, Michael D | | | 1804 | NZL | 0.50 | 1 | -0.18 | 20 | -3.60 | |  Rossiter, Philip E | | | 1740 | NZL | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Jackson, L Ross | | | 1847 | NZL | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Aldridge, Alan L | | | 1834 | NZL | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Winfield, Alan W | | | 1721 | NZL | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Tanoi, T Edward | | | 1938 | NZL | 1.00 | 1 | 0.50 | 20 | 10.00 | | | Ross, Matt | | | 1707 | NZL | 1.00 | 1 | 0.21 | 20 | 4.20 | | | He, Paul | | | 1612 | NZL | 0.50 | 1 | -0.37 | 20 | -7.40 | | | He, Caleb | | | 1668 | NZL | 0.50 | 1 | -0.32 | 20 | -6.40 | |
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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