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Individual Calculations February 2020 |
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| De Boer, Sake Jan Total change: -12.20 | |   |
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| Chessfestival Groningen 2019 - Compact C&D | Groningen | NED | 2019-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1449 | 1502 | 2.50 | 3 | 0.80 | 20 | 16.00 | |
|  Mijnheer, Jasper | | | 1278 | NED | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Houtsma, Jouke | | | 1527 | NED | 1.00 | 1 | 0.53 | 20 | 10.60 | | | Van Der Veen, Anne | | | 1541 | NED | 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) | | | | Tata Steel Tienkampen 2020 | Wijk aan Zee | NED | 2020-01-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1550 | 1502 | 2.50 | 9 | -1.41 | 20 | -28.20 | |
|  De Meyere, Dirk | | | 1548 | BEL | 0.50 | 1 | 0.06 | 20 | 1.20 | | | Bouwmeester, Henk | | | 1476 | NED | 0.50 | 1 | -0.04 | 20 | -0.80 | | | Boezewinkel, Johan | | | 1529 | NED | 0.50 | 1 | 0.04 | 20 | 0.80 | | | Egberts, Kees | | | 1598 | NED | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Van Der Hagen, Stephan | | | 1498 | NED | 1.00 | 1 | 0.49 | 20 | 9.80 | | | Boeren, Jurriaan | | | 1565 | NED | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Sijm, Henk | | | 1566 | NED | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Poldermans, Daan | | | 1586 | NED | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Peters, Wim | | | 1581 | NED | 0.00 | 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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