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Individual Calculations February 2018 |
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| Beukema, Christiaan Total change: 1.20 | |   |
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| Chess Festival Groningen 2017 - Open B | Groningen | NED | 2017-12-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1730 | 1797 | 5.00 | 9 | -0.16 | 40 | -6.40 | |
|  Smit, Wim | | | 1398 | NED | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Pieters, Minko | | | 2008 | NED | 1.00 | 1 | 0.77 | 40 | 30.80 | |  Kastelijn, Toine | | | 1937 | NED | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Oord, Jan | | | 1512 | NED | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Vermeulen, Frans | | | 1894 | NED | 0.00 | 1 | -0.37 | 40 | -14.80 | | | Waardenburg, Feline | | | 1658 | NED | 0.00 | 1 | -0.69 | 40 | -27.60 | | | Neisingh, Nils | | | 1681 | NED | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Van Der Hagen, Loek | | | 1652 | NED | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Haan, Gertjan | | | 1830 | NED | 0.00 | 1 | -0.45 | 40 | -18.00 | |
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) | | | NOTE: K factor changed | | Basel Schachfestival 2018 Amateur | Basel | SUI | 2018-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1749 | 1798 | 3.50 | 7 | -0.31 | 20 | -6.20 | |
| | Mieze, Natalja | | | 1398 * | LAT | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Bounlom, Samyo | | | 1902 | SUI | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Visnjic, Sascha | | | 1553 | SUI | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Thode, Gilda | | | 1965 | SUI | 0.50 | 1 | 0.22 | 20 | 4.40 | | | Locher, Helmut | | | 1645 | GER | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Comien, Romain | | | 1879 | FRA | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Gervasoni, Pietro | | | 1904 | SUI | 0.00 | 1 | -0.36 | 20 | -7.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | NOTE: K factor changed | | Tata Steel Weekendvierkampen 2018 | Wijk aan Zee | NED | 2018-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1869 | 1798 | 1.50 | 2 | 0.69 | 20 | 13.80 | |
| | Zwinkels, Wim | | | 1836 | NED | 0.50 | 1 | 0.05 | 20 | 1.00 | | | Broksch, Dirk | | | 1902 | GER | 1.00 | 1 | 0.64 | 20 | 12.80 | |
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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