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Individual Calculations February 2018 |
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| Lucas, Fred Total change: -10.00 | |   |
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| Chess Festival Groningen 2017 - Open B | Groningen | NED | 2017-12-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1837 | 1814 | 5.00 | 8 | 1.27 | 20 | 25.40 | |
|  Kosse, Lukas | | | 1492 | NED | 1.00 | 1 | 0.13 | 20 | 2.60 | |  Cleveringa, Writser | | | 1734 | NED | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Vermeulen, Frans | | | 1894 | NED | 0.50 | 1 | 0.11 | 20 | 2.20 | | | Leentjens, Gilbert | | | 1866 | NED | 0.50 | 1 | 0.07 | 20 | 1.40 | | | Van Hamond, Fons | | | 2061 | NED | 0.50 | 1 | 0.31 | 20 | 6.20 | | | Kastelijn, Toine | | | 1937 | NED | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Khudovekov, Stanislav | | | 2084 | RUS | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Wallat, Stephan | | | 1629 | GER | 1.00 | 1 | 0.26 | 20 | 5.20 | |
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 Dagvierkampen 2018 | Wijk aan Zee | NED | 2018-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1901 | 1814 | 0.50 | 2 | -0.27 | 20 | -5.40 | |
| | Van Randen, Fred | | | 1836 | NED | 0.00 | 1 | -0.47 | 20 | -9.40 | | | Vlugt, Frans | | | 1965 | NED | 0.50 | 1 | 0.20 | 20 | 4.00 | |
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) | | | | Tata Steel Tienkampen 2018 | Wijk aan Zee | NED | 2018-01-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1859 | 1814 | 2.00 | 8 | -1.50 | 20 | -30.00 | |
| | Karstens, Lex | | | 1861 | NED | 1.00 | 1 | 0.57 | 20 | 11.40 | | | Van Randen, Fred | | | 1836 | NED | 0.00 | 1 | -0.47 | 20 | -9.40 | | | Froberg, Gert-Jan | | | 1869 | NED | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Schepens, Vincent | | | 1742 | BEL | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Hummel, Dick | | | 1913 | NED | 0.00 | 1 | -0.36 | 20 | -7.20 | | | De Vries, Emma | | | 1867 | NED | 0.00 | 1 | -0.43 | 20 | -8.60 | | | Avis, Fred | | | 1869 | NED | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Dekker, Jop | | | 1911 | NED | 0.50 | 1 | 0.13 | 20 | 2.60 | |
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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