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Individual Calculations January 2023 |
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| Houtman, Joop Total change: 0.60 | |   |
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| Dutch Team Competition 2022-2023 - Klasse 2 Round 5 | Various | NED | 2022-12-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2131 | 2084 | 0.50 | 1 | 0.07 | 20 | 1.40 | |
|  Van Den Dikkenberg, Erik | f | | 2131 | NED | 0.50 | 1 | 0.07 | 20 | 1.40 | |
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) | | | | Chessfestival Groningen 2022 Vierkampen | Groningen | NED | 2022-12-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1948 | 2084 | 2.00 | 3 | -0.04 | 20 | -0.80 | |
| | Hummel, Joop | | | 1988 | NED | 0.50 | 1 | -0.13 | 20 | -2.60 | |  De Vries, Bram | | | 1891 | NED | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Ebels, Theo | | | 1965 | NED | 1.00 | 1 | 0.34 | 20 | 6.80 | |
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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