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Individual Calculations February 2019 |
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| Zwanepol, Johan Total change: -16.20 | |   |
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| Chess Festival Groningen 2018 - Compact B | Groningen | NED | 2018-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1615 | 1831 | 1.50 | 3 | -0.81 | 20 | -16.20 | |
|  Nieuwenweg, Rob | | | 1641 | NED | 1.00 | 1 | 0.25 | 20 | 5.00 | |  Slagboom, Leandro | | | 1674 | NED | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Bleekveld, Jaap | | | 1530 | NED | 0.00 | 1 | -0.85 | 20 | -17.00 | |
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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