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Individual Calculations May 2018 |
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| Pettersson, Alexander Total change: -14.00 | |   |
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| GRENKE Chess Open 2018 A-Open | Karlsruhe | GER | 2018-03-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2045 | 2063 | 3.50 | 9 | -1.28 | 20 | -25.60 | |
|  Meissner, Felix | f | | 2352 | GER | 0.00 | 1 | -0.16 | 20 | -3.20 | |  Modder, Frank | | | 1879 | GER | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Grob, Joshua | | | 1911 | SUI | 0.00 | 1 | -0.70 | 20 | -14.00 | | | Yilmaz, Ahmet | | | 1925 | GER | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Hirschberg, Leander | | | 1904 | GER | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Stefansson, Vignir Vatnar | f | | 2300 | ISL | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Grundmann, Alexander | | | 1953 | GER | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Krockenberger, Martin | f | | 2221 | GER | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Koppen, Harald | | | 1959 | GER | 0.50 | 1 | -0.14 | 20 | -2.80 | |
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) | | | | Sallskapets Schweizer-KM 2018 R789 | stockholm | SWE | 2018-04-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2230 | 2081 | 1.50 | 3 | 0.58 | 20 | 11.60 | |
| | Thorn, Eric | f | | 2312 | SWE | 1.00 | 1 | 0.79 | 20 | 15.80 | | | Jakenberg, Jussi | | | 2115 | SWE | 0.50 | 1 | 0.05 | 20 | 1.00 | | | Van Hengel, Hugo | | | 2262 | NED | 0.00 | 1 | -0.26 | 20 | -5.20 | |
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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