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Individual Calculations September 2019 |
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| Numata, Takeshi Total change: -16.40 | |   |
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| Japan Seniors Chess Championship 2019 | Tokyo, Japan | JPN | 2019-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1890 | 1659 | 1.00 | 5 | -0.11 | 20 | -2.20 | |
|  Tabata, Minoru | | | 2059 * | JPN | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Kanda, Daigo | | | 1817 | JPN | 0.00 | 1 | -0.29 | 20 | -5.80 | |  Aoki, Yasuhiro | | | 1860 | JPN | 1.00 | 1 | 0.76 | 20 | 15.20 | | | Ogasa, Seiichi | | | 1812 | JPN | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Ishii, Ichiro | | | 1904 | JPN | 0.00 | 1 | -0.20 | 20 | -4.00 | | | * 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) | | | | Japan Chess Classic 2019 | Tokyo, Japan | JPN | 2019-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1888 | 1659 | 0.00 | 3 | -0.71 | 20 | -14.20 | |
| | Nakahara, Kan | | | 2059 * | JPN | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Matsumoto, Yoshitaro | | | 1881 | JPN | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Koyama, Nobuyuki | | | 1724 | JPN | 0.00 | 1 | -0.41 | 20 | -8.20 | | | * 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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