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Individual Calculations February 2018 |
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| Boer, Jan Total change: 7.80 | |   |
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| Chess Festival Groningen 2017 - Compact C | Groningen | NED | 2017-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1599 | 1688 | 0.50 | 2 | -0.74 | 20 | -14.80 | |
|  Achuthan, Dylan | | | 1629 | NED | 0.00 | 1 | -0.58 | 20 | -11.60 | |  Meeuwsen, Michiel | | | 1568 | NED | 0.50 | 1 | -0.16 | 20 | -3.20 | |
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 2018 | Wijk aan Zee | NED | 2018-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1735 | 1688 | 2.00 | 2 | 1.13 | 20 | 22.60 | |
| | Bornmueller, Erich | | | 1673 | GER | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Thuijls, Hans | | | 1797 | NED | 1.00 | 1 | 0.65 | 20 | 13.00 | |
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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