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Individual Calculations September 2018 |
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| Koedijk, Klaas Jan Total change: 106.40 | |   |
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| Dutch Open 2018 - Reserve A | Dieren | NED | 2018-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1905 | 1699 | 3.50 | 7 | 1.84 | 40 | 73.60 | |
|  Belle, Erika | | wm | 1873 | NED | 0.50 | 1 | 0.23 | 40 | 9.20 | |  Den Boer, Paul | | | 1936 | NED | 1.00 | 1 | 0.80 | 40 | 32.00 | | | Alssema, Etien | | | 1896 | NED | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Montsma, Foppe-Jan | | | 1847 | NED | 0.50 | 1 | 0.20 | 40 | 8.00 | | | Hogerhorst, Tony | | | 1905 | NED | 1.00 | 1 | 0.76 | 40 | 30.40 | | | Apon, Iwahn | | | 1948 | NED | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Bloem, Mark | | | 1931 | NED | 0.50 | 1 | 0.29 | 40 | 11.60 | |
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) | | | | 22e Hogeschool Zeeland toernooi | Vlissingen | NED | 2018-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1883 | 1699 | 2.50 | 6 | 0.82 | 40 | 32.80 | |
| | Afek, Yochanan | m | | 2099 * | ISR | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Noelle, Lisa | | | 1299 * | GER | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Van Rij, Gert | | | 1968 | NED | 0.50 | 1 | 0.33 | 40 | 13.20 | | | Wouters, Casper | | | 1954 | NED | 1.00 | 1 | 0.81 | 40 | 32.40 | | | Verwoert, Jef | | | 2040 | NED | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Den Dunnen, Lola | | | 1935 | NED | 0.00 | 1 | -0.20 | 40 | -8.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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