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Individual Calculations July 2019 |
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| Elgersma, Simon Total change: 31.20 | |   |
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| Weekendtoernooi Groninger Combinatie | Groningen | NED | 2019-05-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2228 | 2088 | 4.50 | 7 | 2.13 | 20 | 42.60 | |
|  Karsdorp, Nico | | | 1824 | NED | 1.00 | 1 | 0.18 | 20 | 3.60 | | | De Boer, Eelke | f | | 2333 | NED | 1.00 | 1 | 0.80 | 20 | 16.00 | |  Pel, Bonno | f | | 2260 | NED | 1.00 | 1 | 0.73 | 20 | 14.60 | | | Maris, Ivo | f | | 2386 | NED | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Hilwerda, Jonas | f | | 2317 | NED | 1.00 | 1 | 0.79 | 20 | 15.80 | | | Ernst, Sipke | g | | 2488 * | NED | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Traetmar, Mattis | | | 1988 | GER | 0.50 | 1 | -0.14 | 20 | -2.80 | | | * 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) | | | | HSG Open 2019 - groep A | Hilversum | NED | 2019-06-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2024 | 2099 | 3.00 | 6 | -0.57 | 20 | -11.40 | |
| | Veldhuysen, Klaas | | | 1859 | NED | 0.50 | 1 | -0.30 | 20 | -6.00 | | | Kutchoukov, Daniel | | | 1871 | NED | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Lanchava, Tea | m | wg | 2314 | NED | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Slagboom, Leandro | | | 1904 | NED | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Bosboom, Ardin | | | 1965 | NED | 1.00 | 1 | 0.32 | 20 | 6.40 | | | De Groote, Ewoud | | | 2231 | NED | 0.00 | 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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