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Individual Calculations October 2018 |
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| Bottema, Martin Total change: -1.80 | |   |
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| 9th IGB Seniors Open Chess Championship 2018 | Cititel Midvalley, Kuala Lumpur | MAS | 2018-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1980 | 2111 | 5.00 | 8 | -0.15 | 20 | -3.00 | |
|  Masduki, J Dr | | | 1711 * | INA | 0.50 | 1 | -0.42 | 20 | -8.40 | |  Muzzaffar, Ahmad | | | 1816 | MAS | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Gibbons, Robert | f | | 1936 | NZL | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Barsov, Alexei | g | | 2369 | UZB | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Manaog, Stewart | | | 2067 | PHI | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Gabaldon Gomez, Miguel Angel | | | 2093 | ESP | 0.50 | 1 | -0.03 | 20 | -0.60 | | | Janto, Yusin | | | 1711 * | INA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Mahmud, Syarif | f | | 2138 | INA | 0.50 | 1 | 0.04 | 20 | 0.80 | | | * 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) | | | | Dutch Team Competition 2018-2019 Klasse 3C Round 1 | various | NED | 2018-09-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2157 | 2111 | 0.50 | 1 | 0.06 | 20 | 1.20 | |
| | Sinke, Han | | | 2157 | NED | 0.50 | 1 | 0.06 | 20 | 1.20 | |
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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