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Individual Calculations May 2018 |
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| Roobol, Martin Total change: -31.20 | |   |
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| GRENKE Chess Open 2018 A-Open | Karlsruhe | GER | 2018-03-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2166 | 2267 | 4.50 | 9 | -1.25 | 20 | -25.00 | |
|  Schaefer, Sven | | | 2004 | GER | 1.00 | 1 | 0.18 | 20 | 3.60 | |  Sumets, Andrey | g | | 2590 | UKR | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Weishaeutel, Moritz | | | 2087 | GER | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Bergner, Philipp | | | 2091 | GER | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Jansen, Bob | | | 2124 | NED | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Faerber, David | | | 2164 | GER | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Schulze, Marc | | | 2156 | GER | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Koellner, Ruben Gideon | | | 2141 | GER | 0.50 | 1 | -0.17 | 20 | -3.40 | | | Simonetto, Andrea | | | 2135 | ITA | 0.00 | 1 | -0.68 | 20 | -13.60 | |
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) | | | | Dutch Team Competition 2017-2018 2B Round 8 | Various | NED | 2018-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2245 | 2274 | 0.50 | 1 | -0.04 | 20 | -0.80 | |
| | Boel, Marcel | | | 2245 | NED | 0.50 | 1 | -0.04 | 20 | -0.80 | |
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) | | | | Dutch Team Competition 2017-2018 Meester Round 9 | various | NED | 2018-04-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2445 | 2274 | 0.00 | 1 | -0.27 | 20 | -5.40 | |
| | Kleijn, Christov | m | | 2445 | NED | 0.00 | 1 | -0.27 | 20 | -5.40 | |
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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