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Individual Calculations February 2019 |
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| Bezemer, Arno Total change: -38.40 | |   |
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| Chess Festival Groningen 2018 - Compact A | Groningen | NED | 2018-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2011 | 2278 | 2.50 | 5 | -1.59 | 20 | -31.80 | |
|  Viersma, Murk | | | 1939 | NED | 1.00 | 1 | 0.12 | 20 | 2.40 | |  Boersma, Jan | | | 2065 | NED | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Bielderman, Guy | | | 2081 | NED | 0.00 | 1 | -0.75 | 20 | -15.00 | | | Grutter, Tim | | | 1953 | NED | 0.50 | 1 | -0.37 | 20 | -7.40 | | | Kalle, Erwin | | | 2018 | NED | 0.50 | 1 | -0.32 | 20 | -6.40 | |
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 |
| 2210 | 2291 | 1.50 | 3 | -0.33 | 20 | -6.60 | |
| | Beukema, Jasper | f | | 2290 | BEL | 0.00 | 1 | -0.50 | 20 | -10.00 | | | Smits, Sebastiaan | | | 2175 | NED | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Damen, Jip | | | 2164 | NED | 0.50 | 1 | -0.17 | 20 | -3.40 | |
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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