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Individual Calculations September 2019 |
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| Koyama, Nobuyuki Total change: -0.40 | |   |
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| Japan Seniors Chess Championship 2019 | Tokyo, Japan | JPN | 2019-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1978 | 1724 | 0.50 | 4 | -0.30 | 20 | -6.00 | |
|  Matsuda, Ryu | | | 2091 | JPN | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Manabe, Hiroshi | | | 2057 | JPN | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Ishii, Ichiro | | | 1904 | JPN | 0.50 | 1 | 0.24 | 20 | 4.80 | |  Aoki, Yasuhiro | | | 1860 | JPN | 0.00 | 1 | -0.32 | 20 | -6.40 | |
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) | | | | Japan Chess Classic 2019 | Tokyo, Japan | JPN | 2019-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1845 | 1724 | 2.00 | 5 | 0.28 | 20 | 5.60 | |
| | Shinoda, Taro | | | 1958 | JPN | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Oya, Takashi | | | 1865 | JPN | 1.00 | 1 | 0.69 | 20 | 13.80 | | | Sugimoto, Koichi | | | 1861 | JPN | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Yokoyama, Yuichi | | | 1883 | JPN | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Numata, Takeshi | | | 1659 | JPN | 1.00 | 1 | 0.41 | 20 | 8.20 | |
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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