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Individual Calculations February 2017 |
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| De Boer, Bas Total change: -6.00 | |   |
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| Chessfestival Groningen 2016 - Open A | Groningen | NED | 2016-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2278 | 2090 | 2.50 | 9 | 0.00 | 40 | 0.00 | |
|  Popov, Mikhail | f | | 2369 | RUS | 0.00 | 1 | -0.16 | 40 | -6.40 | |  Kuipers, Stefan | m | | 2408 | NED | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Heemskerk, Wim | f | | 2217 | NED | 1.00 | 1 | 0.67 | 40 | 26.80 | | | Swayams, Mishra | m | | 2473 | IND | 0.50 | 1 | 0.41 | 40 | 16.40 | | | Van Delft, Merijn | m | | 2376 | NED | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Henseler, Jorgen | | | 2060 | NED | 0.50 | 1 | -0.04 | 40 | -1.60 | | | Vos, Tjark | | | 2183 | AHO | 0.50 | 1 | 0.13 | 40 | 5.20 | | | Hopman, Pieter | f | | 2345 | NED | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Elgersma, Simon | | | 2070 | NED | 0.00 | 1 | -0.53 | 40 | -21.20 | |
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) | | | NOTE: K factor changed | | Tata Steel Chess Tournament 2017 - Weekendvierkampen | Wijk aan Zee | NED | 2017-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1997 | 2108 | 1.00 | 2 | -0.30 | 20 | -6.00 | |
| | Van Eijndhoven, Piet | | | 2020 | NED | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Eijk, Yuri | | | 1974 | NED | 0.50 | 1 | -0.18 | 20 | -3.60 | |
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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