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Individual Calculations February 2018 |
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| Kalle, Erwin Total change: -20.80 | |   |
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| Chess Festival Groningen 2017 - Open A | Groningen | NED | 2017-12-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2120 | 1994 | 1.00 | 8 | -1.76 | 20 | -35.20 | |
|  Kathmale, Sameer | m | | 2264 | IND | 0.00 | 1 | -0.17 | 20 | -3.40 | |  De Boer, Bas | | | 2136 | NED | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Guelsen, Taylan | | | 2213 | GER | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Bekedam, Tyro | | | 2073 | NED | 0.50 | 1 | 0.11 | 20 | 2.20 | | | Sapale, Saloni | | wc | 2308 | IND | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Van Randtwijk, Mick | | | 2011 | NED | 0.00 | 1 | -0.48 | 20 | -9.60 | | | Elgersma, Onno | | | 1935 | NED | 0.00 | 1 | -0.58 | 20 | -11.60 | | | De Bock, Thijs | | | 2019 | BEL | 0.50 | 1 | 0.03 | 20 | 0.60 | |
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) | | | | Tata Steel Tienkampen 2018 | Wijk aan Zee | NED | 2018-01-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2154 | 1987 | 3.00 | 8 | 0.72 | 20 | 14.40 | |
| | Van `t Hof, Eric | c | | 2114 | NED | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Van Geffen, Ben | | | 2108 | NED | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Overeem, Marc | f | | 2246 | NED | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Schroer, Marcel | | | 2080 | NED | 0.50 | 1 | 0.13 | 20 | 2.60 | | | Krings, Christoph | | | 2184 | GER | 0.50 | 1 | 0.25 | 20 | 5.00 | | | Goes, Sten | | | 2222 | NED | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Van Der Heide, Auke | | | 2094 | NED | 1.00 | 1 | 0.65 | 20 | 13.00 | | | Woudsma, Martijn | | | 2181 | NED | 0.00 | 1 | -0.25 | 20 | -5.00 | |
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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