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Individual Calculations February 2018 |
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| Boersma, Jan Total change: 6.20 | |   |
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| Chess Festival Groningen 2017 - Compact A | Groningen | NED | 2017-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2084 | 2034 | 2.50 | 5 | 0.31 | 20 | 6.20 | |
|  Hovenga, Alje | | | 2179 | NED | 0.00 | 1 | -0.31 | 20 | -6.20 | |  Kanis, Sierk | | | 1951 | NED | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Nepveu, Manuel | | | 1908 | NED | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Van Baar, Esper | f | | 2281 | NED | 0.50 | 1 | 0.31 | 20 | 6.20 | | | Wolferink, Frans | | | 2102 | NED | 0.50 | 1 | 0.09 | 20 | 1.80 | |
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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