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Individual Calculations July 2019 |
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| Boer, Alef Total change: 3.80 | |   |
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| 13th BPB Limburg Open 2019 Group A | Maastricht | NED | 2019-06-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2151 | 2131 | 3.50 | 7 | 0.19 | 20 | 3.80 | |
|  Hoornstra, Hans | | | 2038 | NED | 0.50 | 1 | -0.13 | 20 | -2.60 | |  Engel, Johann | | | 2165 | GER | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Bus, Tom | | | 2146 | NED | 1.00 | 1 | 0.52 | 20 | 10.40 | | | Kokje, Joris | f | | 2221 | NED | 0.50 | 1 | 0.12 | 20 | 2.40 | | | Tabak, Stefan | f | | 2183 | NED | 0.50 | 1 | 0.07 | 20 | 1.40 | | | Harff, Wilfried | | | 2195 | GER | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Coenen, Eduard | | | 2109 | NED | 1.00 | 1 | 0.47 | 20 | 9.40 | |
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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