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Individual Calculations May 2018 |
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| Van Der Berg, Wessel Total change: 24.20 | |   |
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| Dutch Team Competition 2017-2018 3A Round 8 | Various | NED | 2018-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2025 | 1989 | 1.00 | 1 | 0.55 | 20 | 11.00 | |
|  Van Hamond, Fons | | | 2025 | NED | 1.00 | 1 | 0.55 | 20 | 11.00 | |
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) | | | | Dutch Team Competition 2017-2018 3A Round 9 | Various | NED | 2018-04-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2107 | 1989 | 1.00 | 1 | 0.66 | 20 | 13.20 | |
|  Van Roosmalen, Sjoerd | c | | 2107 | NED | 1.00 | 1 | 0.66 | 20 | 13.20 | |
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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