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Individual Calculations February 2020 |
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| Vliek, Dick Total change: -10.60 | |   |
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| Chessfestival Groningen 2019 - Compact B | Groningen | NED | 2019-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1643 | 1738 | 2.50 | 4 | -0.01 | 20 | -0.20 | |
|  Vos, Wiert | | | 1632 | NED | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Hoogeveen, Luuk | | | 1610 | NED | 1.00 | 1 | 0.33 | 20 | 6.60 | |  Roothaan, Elmar | | | 1711 | NED | 0.00 | 1 | -0.54 | 20 | -10.80 | | | De Vries, Arjan | | | 1619 | NED | 0.50 | 1 | -0.16 | 20 | -3.20 | |
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) | | | | Tata Steel Weekendvierkampen 2020 | Wijk aan Zee | NED | 2020-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1537 | 1738 | 1.00 | 2 | -0.52 | 20 | -10.40 | |
| | Roes, Frans | | | 1544 | NED | 0.00 | 1 | -0.75 | 20 | -15.00 | | | Heskes, Johan | | | 1530 | NED | 1.00 | 1 | 0.23 | 20 | 4.60 | |
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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