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Individual Calculations February 2020 |
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| Zwirs, Jasper Total change: 43.40 | |   |
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| Chessfestival Groningen 2019 - Open A | Groningen | NED | 2019-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2224 | 2062 | 4.00 | 9 | 1.38 | 20 | 27.60 | |
|  Sodoma, Jan | m | | 2312 | CZE | 0.00 | 1 | -0.19 | 20 | -3.80 | |  Van Baar, Esper | f | | 2181 | NED | 1.00 | 1 | 0.66 | 20 | 13.20 | | | Danada, Tomas | | | 2271 | SVK | 0.50 | 1 | 0.27 | 20 | 5.40 | | | De Jong, Migchiel | m | | 2326 | NED | 0.50 | 1 | 0.32 | 20 | 6.40 | | | Van Dael, Siem | f | | 2255 | NED | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Wedda, Dries | | | 2209 | NED | 0.50 | 1 | 0.20 | 20 | 4.00 | | | Bruil, Rembrandt | c | | 2206 | NED | 0.50 | 1 | 0.19 | 20 | 3.80 | | | Varshini, V | | wm | 2227 | IND | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Van Hoorn, Geert | | | 2032 | NED | 1.00 | 1 | 0.46 | 20 | 9.20 | |
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 |
| 1985 | 2062 | 2.00 | 2 | 0.79 | 20 | 15.80 | |
| | Winkels, Marcel | | | 1988 | NED | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Officier, Tom | | | 1981 | NED | 1.00 | 1 | 0.39 | 20 | 7.80 | |
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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