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Individual Calculations February 2020 |
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| Van Roon, Sjoerd Total change: 173.28 | |   |
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| Chessfestival Groningen 2019 - Open A | Groningen | NED | 2019-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2177 | 2080 | 4.50 | 9 | 1.10 | 38 | 41.80 | |
|  Maris, Ivo | f | | 2413 | NED | 0.00 | 1 | -0.12 | 38 | -4.56 | |  Grutter, Tim | | | 2214 | NED | 0.00 | 1 | -0.32 | 38 | -12.16 | | | Van Foreest, Machteld | | | 2187 | NED | 0.00 | 1 | -0.35 | 38 | -13.30 | | | Ananya, Rishi Gupta | | | 2037 | IND | 1.00 | 1 | 0.44 | 38 | 16.72 | | | Tabak, Stefan | f | | 2166 | NED | 1.00 | 1 | 0.62 | 38 | 23.56 | | | Haan, Gertjan | | | 1936 | NED | 0.00 | 1 | -0.69 | 38 | -26.22 | | | Theulings, Paul-Peter | c | | 2070 | NED | 1.00 | 1 | 0.49 | 38 | 18.62 | | | Kolbus, Dietmar | m | | 2294 | GER | 0.50 | 1 | 0.27 | 38 | 10.26 | | | Lubbe, Melanie | | wg | 2279 | GER | 1.00 | 1 | 0.76 | 38 | 28.88 | |
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 2020 | Wijk aan Zee | NED | 2020-01-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2104 | 2066 | 7.50 | 9 | 3.46 | 38 | 131.48 | |
| | Manshanden, Nick | | | 2080 | NED | 1.00 | 1 | 0.52 | 38 | 19.76 | | | Spaan, Tigran | f | | 2160 | NED | 1.00 | 1 | 0.63 | 38 | 23.94 | | | Boelhouwer, Collin | | | 2096 | NED | 0.50 | 1 | 0.04 | 38 | 1.52 | | | Huijzer, Joop | | | 2016 | NED | 0.50 | 1 | -0.07 | 38 | -2.66 | | | Ghijsen, Pim | | | 2126 | NED | 0.50 | 1 | 0.08 | 38 | 3.04 | | | Kossen, Johannes | | | 2040 | NED | 1.00 | 1 | 0.46 | 38 | 17.48 | | | Honkoop, Gilian | | | 2212 | NED | 1.00 | 1 | 0.70 | 38 | 26.60 | | | Heemskerk, Wim | f | | 2184 | NED | 1.00 | 1 | 0.66 | 38 | 25.08 | | | Etmans, Maarten | f | | 2024 | NED | 1.00 | 1 | 0.44 | 38 | 16.72 | |
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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