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Individual Calculations February 2019 |
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| Vriens, Huib Total change: 14.20 | |   |
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| Chess Festival Groningen 2018 - Compact B | Groningen | NED | 2018-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1662 | 1679 | 3.50 | 5 | 0.89 | 20 | 17.80 | |
|  Bleekveld, Jaap | | | 1530 | NED | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Sterba, Michal | | | 1749 | CZE | 0.00 | 1 | -0.40 | 20 | -8.00 | |  Moraal, Jacob | | | 1651 | NED | 0.50 | 1 | -0.04 | 20 | -0.80 | | | Seijen, Henk | | | 1772 | NED | 1.00 | 1 | 0.63 | 20 | 12.60 | | | Van Vliet, Lodewijk | | | 1610 | NED | 1.00 | 1 | 0.40 | 20 | 8.00 | |
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 Chess Tournament 2018 - Weekendvierkampen | Wijk aan Zee | NED | 2019-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1612 | 1679 | 1.00 | 2 | -0.18 | 20 | -3.60 | |
| | Van Steenwinckel, Hugo | | | 1533 | BEL | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Van Der Wel, Willem | | | 1691 | NED | 0.50 | 1 | 0.02 | 20 | 0.40 | |
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) | | |
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