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Individual Calculations February 2019 |
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| Kokje, Joris Total change: -14.80 | |   |
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| Chess Festival Groningen 2018 - Open A | Groningen | NED | 2018-12-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2238 | 2244 | 3.50 | 9 | -1.08 | 20 | -21.60 | |
|  Van Foreest, Machteld | | | 1925 | NED | 1.00 | 1 | 0.13 | 20 | 2.60 | |  Grooten, Herman | m | | 2374 | NED | 1.00 | 1 | 0.68 | 20 | 13.60 | | | Gleizerov, Evgeny | g | | 2504 | RUS | 0.50 | 1 | 0.32 | 20 | 6.40 | | | Ernst, Sipke | g | | 2539 | NED | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Lahaye, Rick | | | 2404 | NED | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Krasenkova, Ilena | | wm | 2144 | RUS | 0.00 | 1 | -0.64 | 20 | -12.80 | | | Hilwerda, Jonas | | | 2128 | NED | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Van Randtwijk, Mick | | | 2030 | NED | 0.00 | 1 | -0.77 | 20 | -15.40 | | | Barthel, Ansgar | | | 2096 | GER | 0.50 | 1 | -0.20 | 20 | -4.00 | |
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 |
| 2082 | 2250 | 2.50 | 3 | 0.34 | 20 | 6.80 | |
| | Trzaska, Peter | | | 2110 | GER | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Nagel, Yvette | | wf | 1999 | NED | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Hilwerda, Jonas | | | 2136 | 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) | | |
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