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Individual Calculations February 2019 |
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| Kroon, Roelof Total change: -9.40 | |   |
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| Chess Festival Groningen 2018 - Compact A | Groningen | NED | 2018-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1935 | 2123 | 2.50 | 4 | -0.47 | 20 | -9.40 | |
|  Nepveu, Manuel | | | 1924 | NED | 1.00 | 1 | 0.24 | 20 | 4.80 | |  Wubben, Marcel | | | 1988 | NED | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Salihbegovic, Edim | | | 1937 | BIH | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Kunnen, Ruurd | | | 1891 | NED | 1.00 | 1 | 0.21 | 20 | 4.20 | |
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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