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Individual Calculations February 2020 |
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| Hettinga, Jaap Total change: 45.80 | |   |
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| Chessfestival Groningen 2019 - Compact B | Groningen | NED | 2019-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1733 | 1616 | 4.00 | 5 | 2.29 | 20 | 45.80 | |
|  Goudriaan, Jaap | | | 1701 | NED | 1.00 | 1 | 0.62 | 20 | 12.40 | |  Torensma, Jan | | | 1720 | NED | 1.00 | 1 | 0.64 | 20 | 12.80 | | | Seijen, Henk | | | 1793 | NED | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Van Der Graaf, Jaap | | | 1739 | NED | 1.00 | 1 | 0.67 | 20 | 13.40 | | | Roothaan, Elmar | | | 1711 | NED | 0.50 | 1 | 0.13 | 20 | 2.60 | |
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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