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Individual Calculations August 2018 |
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| Helfferich, Gert Total change: -0.40 | |   |
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| Leiden Chess Tournament 2018, Group B | Leiden | NED | 2018-07-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1638 | 1390 | 1.00 | 5 | -0.01 | 40 | -0.40 | |
|  Tamminga, Meile | | | 1766 | NED | 0.00 | 1 | -0.09 | 40 | -3.60 | |  De Ruyter, Wim | | | 1712 | NED | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Jakhari, Ansh | | | 1533 | NED | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Loomans, Nico | | | 1554 | NED | 1.00 | 1 | 0.72 | 40 | 28.80 | | | Mellegers, Pieterjan | | | 1626 | NED | 0.00 | 1 | -0.20 | 40 | -8.00 | |
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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