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Individual Calculations February 2018 |
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| Weggen, Jeroen Total change: 31.60 | |   |
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| Chess Festival Groningen 2017 - Open A | Groningen | NED | 2017-12-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2314 | 2126 | 4.00 | 9 | 1.58 | 20 | 31.60 | |
|  Lubbe, Nikolas | m | | 2474 | GER | 1.00 | 1 | 0.89 | 20 | 17.80 | |  Schoppen, Casper | m | | 2395 | NED | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Wacker, Peter | f | | 2323 | GER | 0.50 | 1 | 0.25 | 20 | 5.00 | | | Lubbe, Melanie | | wg | 2345 | GER | 1.00 | 1 | 0.78 | 20 | 15.60 | | | Kuipers, Stefan | m | | 2440 | NED | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Kokje, Joris | | | 2282 | NED | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Van Dael, Siem | f | | 2268 | NED | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Guelsen, Taylan | | | 2213 | GER | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Boer, Alef | | | 2088 | NED | 1.00 | 1 | 0.45 | 20 | 9.00 | |
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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