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Individual Calculations July 2019 |
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| Qatina, Waheeb Total change: -28.20 | |   |
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| Weekendtoernooi Groninger Combinatie | Groningen | NED | 2019-05-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1736 | 1643 | 1.00 | 5 | -0.99 | 40 | -39.60 | |
|  Den Boer, Paul | | | 1877 | NED | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Rupert, Casper | | | 2022 | NED | 0.00 | 1 | -0.09 | 40 | -3.60 | |  Dijkstra, Johan | | | 1510 | NED | 0.00 | 1 | -0.68 | 40 | -27.20 | | | Luijmes, Henk | | | 1448 | NED | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Karsdorp, Nico | | | 1824 | NED | 0.00 | 1 | -0.26 | 40 | -10.40 | |
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) | | | NOTE: K factor changed | | HSG Open 2019 - groep B | Hilversum | NED | 2019-06-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1757 | 1643 | 2.00 | 4 | 0.57 | 20 | 11.40 | |
| | Basa, Manasvita | | | 1504 | NED | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Friesen, Philippe | | | 1884 | NED | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Konnen, Timo | | | 1872 | NED | 1.00 | 1 | 0.79 | 20 | 15.80 | | | Smit, Ron | | | 1767 | NED | 0.00 | 1 | -0.33 | 20 | -6.60 | |
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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