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Individual Calculations May 2015 |
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| Ratsma, Midas Total change: 61.80 | |   |
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| Oster-Open 2015 Oberhausen | Oberhausen | GER | 2015-04-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2191 | 2120 | 4.50 | 7 | 1.61 | 20 | 32.20 | |
|  Deinert, Wolfgang | | | 1754 | GER | 1.00 | 1 | 0.10 | 20 | 2.00 | |  Hartung, Thomas, Dr. | | | 1948 | GER | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Becker, Marcel | f | | 2392 | GER | 0.50 | 1 | 0.33 | 20 | 6.60 | | | Kalka, Arkadius Georg | f | | 2368 | GER | 1.00 | 1 | 0.81 | 20 | 16.20 | | | Hort, Vlastimil | g | | 2441 | GER | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Mohrholz, Uwe | | | 2055 | GER | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Schleining, Zoya | | wg | 2379 | GER | 0.00 | 1 | -0.18 | 20 | -3.60 | |
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 2014-2015 - 2C - round 8-9 | Various | NED | 2015-04-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2149 | 2120 | 2.00 | 2 | 1.08 | 20 | 21.60 | |
| | Karstan, Erich | | | 2086 | NED | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Boutens, Lukas | | | 2212 | NED | 1.00 | 1 | 0.63 | 20 | 12.60 | |
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) | | | | 8th Spring Open of Triandria 2015 - A group | Thessaloniki | GRE | 2015-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1970 | 2120 | 5.00 | 7 | 0.40 | 20 | 8.00 | |
| | Malgarinos, Spiridon | | | 1720 * | GRE | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Ntelopoulos, Ioannis | | | 1762 | GRE | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Ivanov, Mikhail M | g | | 2408 | RUS | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Theoharidis, Georgios | | | 1838 | GRE | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Avgitidis, Isaak | | | 1720 * | GRE | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Lagopatis, Nikolaos | c | | 2194 | GRE | 1.00 | 1 | 0.60 | 20 | 12.00 | | | Tsaknakis, Zisis | | | 2149 | GRE | 0.00 | 1 | -0.46 | 20 | -9.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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