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Individual Calculations February 2019 |
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| Mijnheer, Peter Total change: 47.80 | |   |
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| Chess Festival Groningen 2018 - Compact A | Groningen | NED | 2018-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2105 | 2076 | 3.50 | 5 | 1.15 | 20 | 23.00 | |
|  Shakhverdian, William | | | 1883 | NED | 0.50 | 1 | -0.25 | 20 | -5.00 | |  De Visser, Pieter | | | 1868 | NED | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Van Dael, Siem | f | | 2204 | NED | 1.00 | 1 | 0.67 | 20 | 13.40 | | | Clemens, Adrian | f | | 2162 | NED | 1.00 | 1 | 0.62 | 20 | 12.40 | | | Beukema, Stefan | m | | 2407 | BEL | 0.00 | 1 | -0.12 | 20 | -2.40 | |
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) | | | | Tata Steel Chess Tournament 2018 - Weekendvierkampen | Wijk aan Zee | NED | 2019-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2128 | 2069 | 2.50 | 3 | 1.24 | 20 | 24.80 | |
| | Van Roon, Sjoerd | | | 2136 | NED | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Hovenga, Alje | | | 2167 | NED | 1.00 | 1 | 0.63 | 20 | 12.60 | | | Grondsma, Mark | | | 2080 | NED | 1.00 | 1 | 0.52 | 20 | 10.40 | |
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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