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Individual Calculations February 2020 |
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| Boersma, Jan Total change: -36.60 | |   |
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| Chessfestival Groningen 2019 - Open A | Groningen | NED | 2019-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2166 | 2069 | 2.50 | 8 | -0.49 | 20 | -9.80 | |
|  Elgersma, Onno | f | | 2319 | NED | 0.00 | 1 | -0.19 | 20 | -3.80 | |  Bruil, Rembrandt | c | | 2206 | NED | 0.50 | 1 | 0.18 | 20 | 3.60 | | | Wedda, Dries | | | 2209 | NED | 0.50 | 1 | 0.19 | 20 | 3.80 | | | Kumar, Naman | | | 2082 | USA | 0.50 | 1 | 0.02 | 20 | 0.40 | | | Lubbe, Melanie | | wg | 2279 | GER | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Tabak, Stefan | f | | 2166 | NED | 0.50 | 1 | 0.13 | 20 | 2.60 | | | Gijsen, William | | | 1948 | NED | 0.00 | 1 | -0.66 | 20 | -13.20 | | | Rut, Vojtech | | | 2119 | CZE | 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) | | | | Tata Steel Tienkampen 2020 | Wijk aan Zee | NED | 2020-01-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2082 | 2069 | 3.00 | 9 | -1.34 | 20 | -26.80 | |
| | Vroombout, Enrico | | | 2111 | NED | 0.50 | 1 | 0.06 | 20 | 1.20 | | | Vlaming, Jos | | | 2057 | NED | 0.50 | 1 | -0.02 | 20 | -0.40 | | | Koelmans, Jan Willem | | | 1924 | NED | 0.50 | 1 | -0.19 | 20 | -3.80 | | | Binnendijk, Ferdinand | | | 2112 | NED | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Merbis, Max | | | 2077 | NED | 0.00 | 1 | -0.49 | 20 | -9.80 | | | De Niet, Gert-Michiel | | | 2186 | NED | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Goes, Sten | | | 2160 | NED | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Poncin, Peter | | | 2006 | NED | 0.50 | 1 | -0.09 | 20 | -1.80 | | | Roth, Thorsten | | | 2106 | GER | 0.50 | 1 | 0.05 | 20 | 1.00 | |
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) | | |
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