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Individual Calculations February 2018 |
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| Weidema, Luuk Total change: 12.00 | |   |
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| Chess Festival Groningen 2017 - Compact C | Groningen | NED | 2017-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1391 | 1467 | 1.50 | 2 | 0.30 | 40 | 12.00 | |
|  Van Foreest, Nanne | | | 1346 | NED | 1.00 | 1 | 0.34 | 40 | 13.60 | |  Heij, Abedin | | | 1436 | NED | 0.50 | 1 | -0.04 | 40 | -1.60 | |
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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