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Individual Calculations February 2018 |
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| Boer, Alef Total change: 4.00 | |   |
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| Chess Festival Groningen 2017 - Open A | Groningen | NED | 2017-12-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2205 | 2088 | 3.00 | 8 | 0.20 | 20 | 4.00 | |
|  Lubbe, Melanie | | wg | 2345 | GER | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Beukema, Jasper | f | | 2233 | BEL | 0.50 | 1 | 0.19 | 20 | 3.80 | |  Hilwerda, Jonas | | | 2094 | NED | 1.00 | 1 | 0.51 | 20 | 10.20 | | | Wempe, Joost | f | | 2314 | NED | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Sapale, Saloni | | wc | 2308 | IND | 0.50 | 1 | 0.28 | 20 | 5.60 | | | Guelsen, Taylan | | | 2213 | GER | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Grutter, Tim | | | 2008 | NED | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Weggen, Jeroen | | | 2126 | NED | 0.00 | 1 | -0.45 | 20 | -9.00 | |
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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